Kim Campbell Thornton Blood draws, chemo, happy vet visits, even training veterinary students: Fear Free makes things work. Here are this month’s success stories.
Chemo for Indy
Indy was a middle-aged mixed-breed dog who developed Stage 3a lymphoma requiring weekly treatment under a CHOP chemo protocol. Only one problem: he was an FAS 4-5 patient who did not like to be touched, let alone restrained. How were we going to treat weekly with IV catheter-administered chemotherapy? Spent a lot of time in the early days fine-tuning a PVP protocol that allowed us to work on touch gradient approach so we could eventually hold his paw and use a regular or butterfly catheter to administer therapy. We always had myself and one specific technician available to work on desensitization with gentle restraint and forelimb holding. Lots of treats. For longer IV treatments, we preemptively sedated Indy. By the end of his treatment cycles, he would walk into the chemo room, sit or lie on a padded mat, and let us treat without incidents. Amazing! It works!
Jeffrey D. Palmer, DVM, Elite Fear Free Certified Professional, Burr Ridge Veterinary Clinic, Darien, Illinois
PVP, Tuna Lead to Successful Cat Exam
A new feline patient with a high level of fear, anxiety, and stress went home with gabapentin as a pre-visit pharmaceutical. The exam we performed two days later was great. He was readily eating tuna and happy to be petted. He did well for a complete exam, including radiographs and blood draw. The Feliway-infused towel was also a great help.
Matthew Hudson, DVM, Elite Fear Free Certified Professional, VCA Blum Animal Hospital, Chicago, Illinois
Cat Can Do
We have seen so many success stories with numerous patients, but the best for me is my personal cat. He is an uncontrolled diabetic, and the first year I owned him he had a lot of blood draws and vet visits. He was a wonderful-tempered cat at home, but at the clinic, while he never bit or scratched, he hissed and struggled every time he came out of the cage and became a difficult patient to handle. He is very food-motivated and after we started Fear Free practices and he got squirt cheese and baby food every time he was handled, he now purrs and rubs on everyone when he comes for treatments and is so much happier and easier to handle. I am overall so much more aware of a patient’s anxiety level the moment they walk in the door now, and it gives us a chance to start finding ways to alleviate their stress before it escalates.
Cheri Crane, Elite Fear Free Certified Professional, Customer Service Representative, Healing Paws Veterinary Clinic, Springfield, Missouri
Culture Change
For most of my practice career, I have been involved in student training. Some students embraced the things I taught them about the importance of minimizing fear, anxiety, and stress in patients, while others felt I was “too soft,” “only cared about giving the animals treats,” or “was crazy or misguided in my efforts.” Fellow faculty members sometimes shared these sentiments and even accused me of not being able to “get the job done” when I would elect to postpone or re-plan a procedure for an animal. The revolution of awareness that Fear Free has helped to create in our profession has changed the way I am viewed by students and colleagues. No longer the “crazy Dr. Griffin,” I am the one they ask to teach them about low-stress handling and Fear Free techniques. The art and science of Fear Free have become valued: this is truly a gift for all of us, our patients, and their owners. I look forward to the day when Fear Free is taught in all veterinary colleges and is fully embraced as an indispensable standard of care in veterinary practice.
Brenda Griffin, DVM, DACVIM, Elite Fear Free Certified Professional, Adjunct Clinical Associate Professor of Shelter Medicine, Maddie’s Shelter Medicine Program, University of Florida College of Veterinary Medicine, Gainesville, Florida
Happy Puppy, Happy Vet Visit
I took a client’s puppy to our veterinary office for a happy visit after the previous appointment did not go well for them. We played on the floor, showed off some of their tricks, ate some really yummy food. I was able to ask for a nose target to get up on the scale all on his own! We were able to leave with a calm, happy puppy and his next vet visit went much better.
Jenn Hauta, Elite Fear Free Certified Professional, Fairy Dogmother Training & Pet Care, Nanaimo, British Columbia, Canada
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Kim Campbell Thornton is content manager for Fear Free Pets and is a Level 3 Fear Free Certified Professional. She has been writing about dogs, cats, wildlife, and marine life since 1985.
Heather E. LewisThe way people interpret color is tied strongly to human culture and language. For example, feeling blue means feeling sad, and seeing red means feeling angry, at least in Western, English-speaking cultures. But how do animals see and respond to color? The answers are few, as there is little research in this field of study. We can say that dogs and cats see a narrower range of colors than we do. This is because they have traded color vision, biologically speaking, for superior vision at night. Indeed, dogs and cats see much better at night than people do.
Cats have trichromatic vision, just like humans, but they do not see the red end of the human visible spectrum. Dogs have dichromatic vision, which means they do not see anything in the orange and red range in the human visible spectrum. Both species see slightly into the ultraviolet range. This is fascinating as it means that any material that has phosphorous in it, or a whitening or brightening agent derived from phosphorous, will fluoresce slightly under their vision. For example, a piece of paper is a glowing white object to a cat.
Fear Free color palettes have three objectives relating to the little we do know about animal preferences for color and stress reduction for people and animals alike.
To avoid anything bright white that may fluoresce. This is the reason behind abandoning a white doctor coat. People often react with stress to laboratory coats, and this is called “white coat syndrome.” If we are trying to create a low-stress medical experience for animals, it is likely best to dress veterinary doctors in colors that do not stand out. Thus, Fear Free practitioners prefer softer colors for coats and scrubs. Architects should also check the building materials we are using in hospital spaces and avoid materials that fluoresce. You can test for this by using a Woods Lamp (a black light used in the veterinary and human healthcare industries for detecting ringworm), in a space with the lights turned off. The lamp will identify materials that fluoresce.
To use colors that animals can see well, particularly in low-light conditions. If you were to paint a dog or cat medical ward dark red, and have dim lighting in that space, the space would appear dark grey and shadowy to the animals. A lighter space, painted in hues and tones that are brighter and more toward the blue end of the spectrum, will be more visually understandable to the animals. There is very little research on this idea, but one example is a study in mice, who see similarly to dogs and cats. The study indicated that mice “showed clear and consistent individual preferences for cages when offered a choice between white, black, green and red cages. Overall, most mice preferred white cages, then black or green, and red was the least preferred.”[i]
To use colors that are relaxing to people. Think of a spa, and the colors that are used in a spa, which are often toward the bluer end of the spectrum, or they are nature based. Spa color palettes tend to be relaxing to people and remind them to slow down and move carefully and gently. The research of color on human behavior is well understood; fast food restaurants use reds and oranges because they are NOT relaxing, and they motivate you to move along and finish your food quickly, so the booth may be occupied by the next customer. We want to encourage the opposite behavior.
Do not worry about hard and fast rules about color, as they don’t exist. Quite simply, use color as a reminder to yourself to be more considerate of how our animal friends see, and to support a gentler way of being around dogs and cats, and all the animals you care for.
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Heather E. Lewis, AIA, NCARB, is a principal of Animal Arts, an architectural firm that has exclusively designed animal care facilities, including veterinary hospitals and animal shelters, for more than three decades. She has worked on dozens of projects across the country, both large and small in her 19 years with the firm. Heather is a member of the Fear Free℠ Advisory Board and assisted in creating the Fear Free facility standards for veterinary hospitals. Heather is a regular contributor to various veterinary industry magazines. She has spoken on the design of facilities for the care of animals at dozens of national and regional conferences including Fetch Hospital Design Conferences, the UC Davis Low Stress Animal Handling Conference, and the Humane Society of the United States Animal Care Expo.
Rachel Lees, RVT, KPA CTP, VTS (Behavior)Teaching cued behaviors, working through desensitization and classical counterconditioning, and clicker training are the glamorous gowns of training plans or behavioral treatment plans. They’re rewarding because this is where owners and veterinary behavior team members can begin to see improvements in the patient.
But preventing and managing undesirable or unwanted behaviors are the foundation garments beneath the fancy dress of behavior modification. Prevention, safety, and management aren’t glamorous, but they are an important part of the plan. If the patient continues to engage in unwanted behaviors, the behaviors will continue to be reinforced (negatively or positively). To avoid this dynamic, the veterinary behavior team must coach clients as much as possible to set the patient up for success and manage any panic, stress, or anxiety present.
Avoiding Triggers and Controlling the Environment
Learning occurs with every interaction. This can work to our advantage when we can strengthen behaviors we like by adding positive outcomes. The goal with prevention is to control the environment and regulate the patient so we can prevent the patient from learning undesirable behaviors during non-training times. An example might be use of crates and playpens to eliminate urine accidents in the home.
Prevention includes setting each animal up for success and manipulating the environment to promote and reinforce desired behaviors. This can be as general as setting a puppy up for success using crate training for assist with elimination training or working with a puppy or kitten during the socialization period to promote positive experiences for lifelong learning.
Prevention can also be as detailed as using white noise to create a sound buffer for a storm-phobic patient or placing an opaque window treatment on front windows to eliminate displays at passersby. Below is a chart with some common behavioral diagnoses and types of prevention that can be recommended for these conditions until appropriate training and behavior modification have been taught and implemented. Some prevention techniques might be temporary, and others might be long-term.
Behavioral Concern
Types of Prevention
Aggression during Grooming and Husbandry Behaviors (Familiar and Unfamiliar People)
Discontinue all forms of grooming and medical care. If medical or grooming care must be performed (in an emergency) the veterinary team should use sedation to prevent increasing fear, stress, and anxiety during these situations
Inter-Dog Aggression
Keep all patients 100% separated to eliminate practice of aggression in any or all potential situations.
Redirected Aggression to a Canine Housemate
Eliminate and manage all triggers that may create arousal, aggression, and frustration. This may include opaque window treatments to eliminate the display at passersby or may include full separation between patients if triggers are unclear.
Fear-Based Aggression to Unfamiliar People
Discontinue walks and keep the patient away during all guest visits. This may include using a crate in a place where the patient cannot see visitors. This will help keep the patient as safe and comfortable as possible while the guest is in the home.
Coprophagia
Pick up stool immediately after elimination to prevent the patient from ingesting the stool later.
Management: Outlets to Minimize FAS While Practicing Prevention
Providing healthy forms of behavioral management can be helpful in creating a calmer and more confident pet. Providing mental, physical, and environmental enrichment can improve any domesticated animal’s overall wellbeing. Providing enrichment can help pets find appropriate outlets for innate behaviors and physical activity. Enrichment can also help to alleviate tension or any fear, stress, or anxiety the pet may be feeling. Enrichment may be used to eliminate unwanted behaviors such as chewing and destruction by young puppies or to decrease or eliminate barking in the crate during guests’ visits. Below is a short list of different forms of enrichment that can be used together or separately as needed:
Puzzle Toys: Puzzle toys that dispense treats or kibble provide human-approved outlets of stimulation, can double as meal opportunities, and can manage and prevent unwanted behaviors such as barking and other attention-seeking behaviors. This type of enrichment can be more mentally stimulating than a 5-mile walk. Advise clients to give these to patients ideally in anticipation of unwanted behavior or after unwanted behaviors have been interrupted. This can set patients up for success, so they do not continue to perform the undesirable behavior.
Sound Enrichment: Whether clients are away from home or looking to create a sound buffer to help prevent unwanted behaviors, their pets can be enriched through sound in a variety of ways. “Through a Dog’s Ear” CDs or iCalm units provide patients with biorhythmic classical music. Studies have shown that classical music can help to reduce respiration and blood pressure. DOGTV is another form of enrichment that can give dogs visual stimulation while also providing different forms of classical and calming sounds. White noise machines can be another buffer to eliminate sounds happening outside the pet’s home environment.
Enrichment Walks: These walks are an outlet to burn off energy while also allowing the dog to sniff and learn about the environment. In the text “From Fearful to Fear Free,” this type of sniffing is described as a form of social media for your pet. Think “Nosebook” and “Pee Mail.” This same type of enrichment can be used for cats who have learned to walk comfortably in a harness and leash. For patients who have been diagnosed with fear-based aggression issues on walks, enrichment walks can be performed in a space with limited human and dog contact such as industrial parkways.
There are many different forms of prevention and management. This article discusses only a few of the options for some diagnosable behavioral issues. This is something that can be recommended by any veterinary team member if a client and patient are waiting to be seen by a veterinary behaviorist. Suggestions such as using baby gates at doorways to prevent dog fights or keeping a patient leashed to a person can be lifesaving recommendations. Stating some of these more obvious recommendations is essential because not every client or dog trainer understands the importance of management and prevention.
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Rachel Lees, an Elite Fear Free Certified Professional, is a veterinary technician specialist in behavior, a KPA certified training partner, and lead veterinary behavior technician at The Behavior Clinic in Olmsted Falls, Ohio. She loves helping people create and maintain a strong human-animal bond.
Mary Ann Vande Linde, DVM, Vande Linde & Associates, Brunswick, GeorgiaOsteoarthritis is the most common joint disease diagnosed in humans and pets. What does this mean to a veterinary team? It means that a high percentage of pets and their owners have some familiarity with the discomfort and pain of joint disease. I’m sure we have all had clients tell us they have noticed a change in their pet’s activity, but they usually pass it off as normal for his/her age or suggest their pet is just “slowing down.” This belief does not mean that they don’t care; they just do not understand that what they are seeing may be due to pain. There are some simple communication tools your team can utilize to add value and increase a client’s understanding and acceptance that osteoarthritis (OA) is not normal, and their pet has options.
One of my mentors once told me “never tell a client what you can show them.” A client may see their pet hiding or not playing, and they will need assistance determining if their pet is painful or fearful. Using the Fear Free Strategies of Considerate Approach (CA) and Gentle Control (GC) allows the pet to be comfortable enough to exhibit OA signs in the client’s presence. With CA, a relaxing atmosphere can be created where the pet can have room to move and be observed. Adding pheromones to help keep them calm and non-slip surfaces both on and off the exam room table enables them to safely explore. In addition, with GC, veterinarians can examine the pet where he or she prefers and is most comfortable. Make sure to plan ahead by having materials easily accessible, and have assistance available in the room so the veterinarian can keep a gentle reassuring hand on the pet. Later during the physical exam, the doctor can communicate how their assessment relates to what the client sees their pet experiencing.
To be efficient and consistent communicators, teams need tools that open clients’ minds to possibilities. The Zoetis Canine and Feline OA Screening Checklists can be a discussion starting point. These checklists have “cartoons” of cats and dogs doing common activities around the home that have been identified through research as top behaviors that can indicate OA pain.1,2
This visual checklist allows the client to see their pet’s behavior changes through the animations. They can see how a healthy cat moves compared to a cat who has unhealthy changes from OA pain. With a checklist a client can tell the veterinarian what they see in comparison to the pictures, or they can review a video of what their pet is doing compared to the cartoon. By reviewing the checklist with a trained technician or veterinarian, the client can offer insight into how they view their pet’s mobility, behavior, and daily comfort. This checklist can be used prior to any exam with an email electric copy, or completed in the room by computer, phone, or as a printed hard copy. This could be a valuable addition to any biannual or annual checkup.
Age is not a disease. And we have tools, strategies and skills that make client discussion interactive, efficient and fun. Clients love to learn about their pets, they want a plan, and they want to feel confident they have made good decisions. Combining the tools of an interactive team checklist, Fear Free strategies of CA and GC and using open questions with active listening create productive discussions, save time, and produce healthier teams and pets. Go ahead talk about OA with these tools: it’s painless.
References
Enomoto, M. (2020). Development of a checklist for the detection of degenerative joint disease-associated pain in cats. Journal of Feline Medicine And Surgery
Wright, A. (2019). PVM1 Diagnosis and treatment rates of OA in dogs using a Health Risk Assessment (HRA) or Health Questionnaire for OA in general veterinary practice Value In Health, 22, S387
Adams, C., & Kurtz, S. (2017). Skills for communicating in veterinary medicine. Oxford: Otmoor Publishing.
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Sponsored by our friends at Zoetis Petcare. NA-02335
Tony Johnson, DVM, DACVECC Let’s just get this right out of the way first: animals feel pain.
They have different pain tolerances, just like people do (if I step on my pit bull Gwen’s toe, she never notices, but if I accidentally do the same to my Pomeranian, Turley, she’ll scream, run and hide, and not speak to me for days) but sensing pain comes hand-in-hand with having a complex neurosystem and a big brain.
The challenge for us as veterinarians is how we detect and react to their pain.
To address the complexities of animal pain and its management, the International Veterinary Academy of Pain Management (IVAPM) has declared September to be Animal Pain Awareness Month. (https://ivapm.org/animal-pain-awareness-month/) It’s also Pain Awareness Month for another group of big-brained animals – people.
Treating animal pain will always involve some guesswork until someone develops a way for dogs and cats (and horses and iguanas, etc.) to point to their anatomy and say “It hurts right here, doc.” Until that beautiful day, we have to tease out the sometimes-subtle signals of discomfort and adopt a trial-and-error approach, backed up by science whenever possible.
As an ER clinician, acute pain is what I deal with most. I do see animals with chronic pain, and try to help whenever I can, but for those patients I encourage pet owners to seek the counsel of their family veterinarian, since chronic pain will take a solid partnership spanning weeks or months – things that are impossible in the rushed setting of the ER.
With that as preamble, I’ll share some tips from 25 years of ER pain management.
If a condition is known to be painful, treat for pain. Blocked cats are painful. Pancreatitis is painful. Pyelonephritis hurts. Some diseases have pain baked in, and treating pain should always be part of the initial management plan, yet I very often see pets with diseases such as pancreatitis and urethral obstruction go without pain medication. Until the disease has calmed down, assume pain is present and treat for it.
Recognize the signs of pain. Is that cat sitting at the back of the cage hissing because he is afraid, or is it pain? Is the usually sweet and slap-happy Golden now snapping at the kids because his ears hurt? Recognizing an animal in pain is an important first step in managing pain. A trial of pain medication (perhaps even combined with appropriate sedation) can help tease out the complex web of animal pain responses and decrease the fear, anxiety, and stress of painful conditions and hospitalization. Using a validated pain scale (available at https://ivapm.org/, and many other places) can also help to quantify and track pain during treatment.
Use the right class of medication for the disease. Let’s look again at blocked cats and patients with pancreatitis. A blocked cat who is non-azotemic and going home might benefit from an NSAID used cautiously. A blocked cat with a K+ of 8 and a creatinine of 4? The medical board will be knocking at your door if you give an NSAID.
Same holds true for a dog with raging pancreatitis. If he’s vomiting every time the wind blows, an NSAID will only make matters (way) worse. Opioids have minimal GI effects beyond constipation (which I have not seen as a major problem), and we use tons of opioids in the ER and ICU to manage pain. Our brains (and those of our patients) are hard-wired to receive opioids – it’s a gift from evolution and nature. Use it.
Why do brains have receptors for chemicals produced by a poppy largely grown in the Middle East? I have no idea, but for the sake of my patients I am thrilled that they do, and I make use of it every day I am on the clinic floor.
The opioid crisis has certainly made giving opioids a challenge, with increased regulation and paperwork and changes in the supply chain making some drugs unavailable. Try to keep abreast of what’s on and off the market and do your best to make sure you always have a few options for good pain control on hand. I think every hospital needs to have a full mu agonist such as fentanyl, morphine, or hydromorphone on hand for treating severe pain. Butorphanol is great as an adjunct for sedation for minor procedures like lacerations, but it’s just not potent enough for cases of moderate to severe pain.
Sometime more is more. Treating pain with multiple different approaches can result in better pain control and lower doses of any individual medication. Using a lidocaine sacrococcygeal block to help unblock a cat, combined with a full mu agonist like fentanyl, or an opioid agonist/antagonist like buprenorphine, can treat pain from different angles, as well as make unblocking easier.
Look for creative ways to address pain, using different techniques such as local blocks, epidurals, and topical lidocaine patches. Combining classes of drugs such as NSAIDs and opioids, in carefully selected patients, can achieve results that higher doses of either drug can’t achieve.
I have found that learning new techniques can be a great way to fend off burnout and makes me feel as if I am growing as a clinician. Learning new pain management skills aids me in fulfilling my obligation to alleviate animal suffering. Enrolling in CE classes, attending online seminars, and even brainstorming with colleagues can open new worlds to the clinician who wants to learn and grow. It can also make great financial sense to a practice, as owners now accept and even expect advanced pain-control modalities.
The IVAPM offers consultations in pain management and pathways to become IVAPM-certified as a pain management practitioner. (More info at https://ivapm.org/).
We all want our patients to live long, pain-free lives. Learning about pain and learning new ways to manage pain and recognize it will serve our patients better and help us grow as doctors and people.
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Dr. Tony Johnson, DVM, DACVECC, is a 1996 Washington State University grad and obtained board certification in emergency medicine and critical care in 2003. He is currently Minister of Happiness for VIN, the Veterinary Information Network, an online community of 75,000 worldwide veterinarians, and is a former clinical assistant professor at Purdue University School of Veterinary Medicine in Indiana. He has lectured for several international veterinary conferences (winning the small animal speaker of the year award for the Western Veterinary Conference in 2010) and is an active blogger and writer.
Alison Gerken, DVM, Lisa Radosta DVM, DACVB, Tamara Grubb, DVM, PhD, DACVAAHetch-Hetchy is the sweetest, most affectionate cat I have ever known. For the past 12 years, he has seen me through veterinary school, my father’s passing, my marriage, and most recently, a cross-country move to start a veterinary behavior residency. This guy has been the most devoted, loving companion, but he is not the bravest of souls. When Hetch goes in for a veterinary visit, he often leaves with a urethral obstruction (UO). While not fractious at the veterinary hospital, he becomes very stressed and has an impressive ability to wiggle out of any restraint.
The stress of veterinary visits frequently resulted in urethral obstructions for Hetch.
Hetch has had myriad health issues over the last year, necessitating four hospitalizations and at least 10 veterinary visits. Fortunately, pre-medication at home with buprenorphine and trazodone in addition to a quick injection of alfaxalone at the hospital has allowed for almost effortless hospitalizations and has prevented further UOs. Hetch had never needed to be boxed down.
When Hetch recently needed an anesthetic procedure, I researched veterinary specialists in my new area and dropped him off at a trusted specialty hospital. I reminded the staff that Hetch blocks when stressed and attached a note to his carrier requesting that I be called if he became stressed. I thought I was doing everything right to prevent another UO. However, when I picked Hetch up from the hospital after his procedure, I found my normally mellow cat panicking inside his carrier. When I inquired as to why Hetch was so distressed, I was astonished to learn that he had been “boxed down” that day. In other words, rather than being given a fast-acting injectable medication to induce anesthesia, he was stuffed into a box that was then filled with anesthetic gas – a prolonged and stressful way to be anesthetized.
When we returned home, Hetch began vocalizing and walking in and out of his litterbox. I panicked when I realized we might be facing another UO. Fortunately, Hetch wasn’t blocked, but for days after that veterinary visit, my normally social, loving kitty hid beneath the bed and barely ate. He was traumatized, and the only difference in that visit from all of his others was that he was boxed down. Not only was I incredibly saddened to think of my own cat being subjected to the inhalant chamber, I was also deeply troubled to learn that inhalant chamber use is not uncommon in veterinary medicine.
Why “Boxing Down” Animals Isn’t a Good Choice
Most of us who have been practicing for longer than a decade have used inhalant chambers to “box down” feline patients. It seemed to work, and the patient was able to be treated. Why throw away a potentially useful sedation protocol? Because the use of inhalant chambers or masks (also called “boxing” or “masking”) for sedation or induction to anesthesia is not considered standard of care for a number of reasons. (We should note, however, that mask sedation is commonly used for birds.)
Use of inhalant induction can be dangerous to pets.
In a study on anesthetic risk for death, Brodbelt (2009) showed that inducing and maintaining patients on inhalants alone added to the risk of anesthetic fatalities. The risk is secondary to the high dose (high percentage setting on the vaporizer) of inhalants required to achieve induction.
Inhalant anesthetics are appropriate for maintenance of anesthesia but not for induction.
The high dose can cause dangerous physiologic changes, such as hypotension and respiratory depression. In addition, mask or inhalant induction requires a prolonged period with an unprotected airway (i.e., no endotracheal tube) with an increased risk of airway compromise or obstruction. Because of this, inhalant induction can be dangerous in any animal and is contraindicated in brachycephalic animals.
The excitatory phase of anesthesia (Stage II; Table 1) is exaggerated and prolonged with this type of induction, further increasing the dose necessary to achieve induction. The excitement causes a release of catecholamines, which may cause tachycardia, hypertension, and hyperventilation and may increase the risk of arrhythmias and/or cardiopulmonary arrest.
Once the patient is induced, a higher concentration of inhalant is required for the maintenance phase of anesthesia when compared to the dose of inhalants required to maintain anesthesia in patients who also had premedications or injectable induction drugs.
Use of inhalant induction can be dangerous to humans.
The veterinary healthcare team and any pet parents who are present may be potentially exposed unnecessarily to anesthetic inhalants. No matter how tightly the induction chamber is sealed or the mask is fit, it is never totally leak-proof. There will be contamination of the environment with the inhalant gas. Although not consistently linked, health concerns due to exposure to anesthetic gases have been shown to range from reproductive effects such as spontaneous abortion (Shirangi et al. 2008) to genetic damage (Cakmak et al. 2019). OSHA states: “The waste anesthetic gases* and vapors of concern are nitrous oxide and halogenated agents (vapors) such as halothane, enflurane, isoflurane, and desflurane. Some potential effects of exposure to waste anesthetic gases are nausea, dizziness, headaches, fatigue, and irritability, as well as sterility, miscarriages, birth defects, cancer, and liver and kidney disease.” (https://www.osha.gov/SLTC/wasteanestheticgases/index.html)
*Waste anesthetic gas is inhalant anesthetic gas not metabolized by the patient and is exhaled back into the breathing system. It should be evacuated from the anesthetic machine by the scavenging system. Unfortunately, the gas often leaks from the machine or breathing system, causing environmental contamination and human exposure.
The view on dangerous results related to use of chamber inductions in animals is shared by both veterinary and human-health experts:
“Chamber inductions should never be routine but rather a ‘last resort’ and only when other approaches have failed.” (Robertson et al. 2018)
“Mask or chamber inductions can cause stress, delayed airway control, and environmental contamination and are not recommended by the authors.” (Grubb et al. 2020)
“Chamber induction in unpremedicated, agitated cats is the least desirable technique described in these Guidelines, since an agitated cat will require more inhalant anesthetic to achieve the desired endpoint. This increased inhalant anesthetic requirement results in severe depression of the cardiovascular system. Additionally, an increased release of catecholamines predisposes the cat to development of cardiac arrhythmias.” (Robertson et al. 2018)
“The use of an induction chamber with gas anesthetic as a method of restraint may mean less control of the patient’s airway and raises concerns about other safety issues for the cat and the staff.” (Robertson et al. 2018)
“A disadvantage of this technique is the unavoidable release of anesthetic gases and exposure of personnel when the cat is removed from the chamber.” (Rodan et al. 2011)
Stress has many definitions, but according to the National Research Council Committee on Recognition and Alleviation of Distress in Laboratory Animals, it is defined as a real or perceived perturbation that threatens homeostasis.
Inhalant chambers are not considered standard of care. Their use should be avoided for a number of reasons.
The stress response is a normal part of daily life but becomes harmful when triggered too intensely or for too long (Hekman, 2014). Different stressors cause varying levels of activation of these responses, but it has been shown that uncontrollable stressors from which an animal cannot escape and which cannot be mitigated activate the stress response more strongly across species (Dess, 1983).
Activation of the sympatho-adreno-medullary (SAM) axis in response to an acute stressor initiates an immediate response, often known as the “fight or flight” response. SAM axis activation leads to mydriasis, increased heart rate, increased blood pressure, cutaneous vasoconstriction, increased plasma glucose, and increased free fatty acid concentrations (Hekman, 2014).
A slower response to a stressor is mediated by activation of the hypothalamic-pituitary-adrenal (HPA) axis, with effects seen in minutes to hours to days. This response mediates release of glucocorticoids from the adrenal cortex. Glucocorticoids affect a wide range of physiologic functions including, but not limited to, metabolic processes such as protein, glucose, and fatty acid metabolism; immune function; gastrointestinal motility; growth; thyroid function; and reproduction (Hekman, 2014).
The overall effect of these responses is to mobilize energy stores, increase oxygen intake, decrease blood flow to non-critical areas, and inhibit digestion, growth, immune function, reproduction, and pain perception (Tynes, 2014).
Several studies have demonstrated that inhalant chambers are significant stressors. Reiter et al 2017 found that inhalant anesthesia increased concentrations of various hormones, including cortisol, corticosterone, and other glucocorticoids in mice, indicating activation of the HPA axis. The mice in this study appeared agitated and dug in the corners of the induction chamber. Similarly, a study by Flecknell et al 1996 found that induction of anesthesia in an inhalant chamber and an inhalant face mask caused all animals to avoid inhaling anesthetic vapor and to breath-hold, behaviors indicating that the induction was aversive. Another study by Flecknell et al 1999 evaluating the effects of induction of anesthesia with sevoflurane and isoflurane in an inhalant chamber found that most animals struggled violently during induction and breath-held, leading the study authors to conclude that both sevoflurane and isoflurane were aversive and should be avoided.
Furthermore, inhalant chambers cause increased struggling, breath-holding, and excitement because induction times with inhalant anesthetics are generally slower than intravenous agents such as propofol (Lester et al 2012).
Stress increases morbidity and mortality.
The consequences of physiologic and psychogenic stress on health and welfare outcomes have been documented across a range of domestic species.
Stress can increase susceptibility to infection and sepsis, reduce the rate at which wounds
heal, and increase the risk of gastric ulceration development (Hekman, 2014).
Westropp 2006 showed that cats with feline idiopathic cystitis (FIC) had altered bladder permeability, most notably during the initial period of stress.
Some cats may develop marked hyperglycemia secondary to an acute stressor, including struggling, with some cats having glucose concentrations in the diabetic range (> 200 mg/dL) over 90 minutes after exposure to the acute stressor (Rand et al 2002). This may lead some cats to be treated with insulin despite not being diabetic. Furthermore, struggling in an induction chamber may lead to injury of the patient.
Inhalant chambers perpetuate fear.
The animals considered candidates for use of the inhalant chamber or mask are often displaying aggression or fear and restraint is considered difficult or impossible.
Most animals visiting the veterinary hospital display signs of fear. A study by Doring et al 2009
Fear and stress during veterinary care can contribute to illness and injury.
found that 78.5% of clinically healthy dogs visiting a veterinary hospital in Germany showed signs of fear on the examination table. Quimby et al 2011 found that most cats hid more and had elevated physiologic parameters associated with stress (heart rate, respiratory rate, and blood pressure) when in a veterinary clinic compared to their home. In a survey of over 1,100 cat caretakers in Italy, most cats showed signs of fear during all stages of a veterinary visit, including 73% in the reception, 85% on the examination table, 55% during examination, and 58% after returning home. Restraint, pain, and anxiety led to aggression toward veterinarians and caretakers in these cats (Mariti, 2016).
Use of an inhalant chamber or mask will undoubtedly perpetuate underlying fear in patients already displaying fear. Koolhaas 1997 found that a single experience with a major stressor may have long-term consequences ranging from hours to days to weeks. Mariti 2016 showed that 34% of the cats’ stress following a veterinary visit subsequently worsened with handling in other situations. Landsberg 2013 supports that a single exposure to a stressor can be enough to cause a fearful response in the future. Therefore, the trauma of the inhalant chamber or mask is likely to increase the pet’s fear and anxiety at future veterinary visits. This will compromise the veterinarian’s future ability to provide the highest quality of care to these pets.
Increased fear, anxiety, and stress compromise patient care and veterinary staff safety.
Patients subjected to an inhalant chamber may display more fear and aggression. This can make administration of treatments and medications in hospital or at home following the procedure more difficult or unsafe for veterinary staff or clients.
Dog and cat bites as well as cat scratches are the most common cause of injury to veterinary hospital staff (Jeyaretnam, 2000), so increased pet fear and anxiety compromise the safety of staff.
Stressful veterinary visits have economic implications to the practice.
According to the Bayer veterinary care usage study, their pets’ stress is a leading reason pet parents fail to bring their animals to the veterinary hospital (Volk, 2011). Out of more than 1,000 cat caretakers, 58% reported that their cat hates going to the veterinarian and 38% of the cat caretakers reported that they themselves were stressed just thinking about taking their cat to the veterinarian (Volk, 2011). In a survey of 200 cat owners conducted by the International Society of Feline Medicine and Your Cat magazine, 20% of respondents said their most recent visit to a veterinarian had been sufficiently stressful that they would either avoid going back or would change veterinarians (Rodan 2005).
Cats are already underserved veterinary patients. In the Bayer usage study, 40% of cats had not been to a veterinarian in the last year compared to 15% of dogs (Volk, 2011). More than three-quarters of veterinarians in that study reported that care for cats is one of the most significantly missed opportunities in veterinary practice (Volk, 2011).
Stressful veterinary visits are likely to result in a further decline in cat visits, creating a greater obstacle to reaching the feline market.
Overall, the implications of using an inhalant chamber are far-reaching. For all of the above reasons, taking steps to decrease physiological and emotional stress is an essential medical goal, one that is significantly undermined by use of an inhalant chamber or mask.
Why Chemical Restraint Shouldn’t Be a Last Resort
Chemical restraint is often necessary for animals displaying fear and aggression and should not be considered a last resort (Grubb et al. 2020 Lloyd, 2017). According to the American Association of Feline Practitioners/International Society of Feline Medicine Guidelines on Feline Friendly Handling, indications for chemical restraint include the following:
–when an animal shows fear, anxiety, stress, or aggression;
–situations in which pain, discomfort or surgery is anticipated and where analgesia alone will be insufficient;
–when gentle restraint does not provide sufficient safety for the team.
Fortunately, many alternatives to inhalant induction exist to achieve chemical restraint, starting with premedication at home.
Evaluating Patient Fear, Anxiety, and Stress and Determining the Need for Pre-Visit Pharmaceuticals
Premedication at home may reduce the need for the inhalant chamber or mask and may reduce the need for injectable sedation or general anesthesia. It can make handling the patient more pleasant for all. Use of the FAS scale will aid in determining which pets may benefit from pre-visit pharmaceuticals (PVPs).
The FAS scale was created to rate a patient’s level of fear, anxiety, and stress in the veterinary clinic. It is a useful tool to determine if a PVP and/or injectable sedation is indicated.
A pet with FAS scores of 2 or 3 displays some lack of interest in treats, toys, and/or attention. This pet may fidget and have difficulty settling. This is consistent with moderate fear, anxiety, and stress, and a pre-visit pharmaceutical is recommended.
A pet with FAS scores of 4 or 5 displays little to no interest in treats; exhibits a fight, flight, or freeze response, and may display aggression. This is consistent with a high degree of fear, anxiety, and stress, and pre-visit pharmaceuticals combined with injectable sedation if needed is recommended. (Martin K and Martin D, 2007).
When scheduling veterinary appointments or procedures, ask clients about the pet’s behavior in the veterinary hospital. If the pet has a history of being fearful in the hospital, have the pet parent administer oral anxiolytics and/or sedatives such as gabapentin, trazodone, buprenorphine, transmucosal dexmedetomidine, and benzodiazepines prior to arrival.
Using PVPs
All pre-visit pharmaceuticals have variable effects in individual animals and should be tested prior to the veterinary visit to evaluate time to onset, effect, duration of effect, and possible adverse effects. This information will enable the veterinarian to evaluate the pre-visit pharmaceutical plan and make adjustments if warranted to ensure an optimal outcome.
Potential pre-visit pharmaceuticals include gabapentin, trazodone, benzodiazepines, some opioids, and some formulations of alpha-2 agonists. Oral acepromazine and melatonin can also be considered (Costa et al. 2019), keeping in mind, however, that acepromazine should never be used alone, as it is a tranquilizer but not a good anxiolytic. Before prescribing a medication as a pre-visit pharmaceutical, the attending veterinarian should consider the age of the pet, any interactions with other medications or supplements currently being administered, the pet’s overall health status, interactions with the chosen anesthetic protocol, and any other contraindications to administration.
Gabapentin
While not labeled for use for anxiety, gabapentin is increasingly used to reduce anxiety in humans and in veterinary patients. In a study by van Haaften et al 2017, 100 mg of gabapentin per cat prior to a veterinary visit resulted in significantly lower stress during transportation and examination as reported by pet parents, and increased compliance during examination as reported by veterinarians. Gabapentin also reduces neuropathic pain, which may benefit patients in which underlying pain may be contributing to fear and aggression.
Sedation is a possible side effect and may vary depending on cat size, so administer 50 mg to petite or geriatric cats. Large cats may require 200 mg for optimal effect. Other side effects of gabapentin include ataxia, hypersalivation, vomiting, and increased appetite.
Gabapentin should be administered three hours prior to the veterinary visit. The capsule may be opened and the powder sprinkled onto 1 tablespoon or less of wet food, tuna juice, Churu, or other tasty food. The effects of gabapentin may last for 8 to12 hours. When using gabapentin, administering an additional dose the night before the veterinary visit may be helpful.
Trazodone
This serotonin antagonist reuptake inhibitor is an anxiolytic and sedative. The dose of trazodone for cats is 50 to 100 mg per cat (not mg/kg). It should be administered three hours prior to a veterinary visit.
Side effects of trazodone may include drowsiness, variable mild gastrointestinal effects such as vomiting, diarrhea, decreased or increased appetite, and paradoxical excitation. When administering a test dose at home prior to the veterinary appointment, have the pet parent assess the pet’s level of sedation three hours after administration by calling the pet in a happy voice, shaking a treat jar, and/or getting out the pet’s favorite toy. If the pet readily rises and runs over to the pet parent, then the dose should be increased by 25% and another test performed at home. Duration of effect is 4 to 12 hours.
Benzodiazepines
These potent anxiolytics have a rapid onset of action with effects that last a few to several hours. They are reasonable options for patients with severe fear and anxiety, but their use is not recommended in patients with aggression.
Benzodiazepines may cause a paradoxical excitement reaction, so it is necessary that they be tested at home prior to a veterinary visit. Other side effects include ataxia, sedation, muscle relaxation, and increased appetite.
Commonly used benzodiazepines in cats include lorazepam and alprazolam.
Lorazepam has no active metabolites, so it is safer for geriatric patients and patients with hepatic disease. The dose of lorazepam for cats is 0.25 to 0.5 mg per cat (not mg/kg). It should be administered two to three hours prior to a veterinary visit.
Alprazolam has a different pathway for metabolism than diazepam, so it may have reduced risk of liver toxicity in cats. The dose of alprazolam for cats is 0.125 to 0.25 mg per cat (not mg/kg). It also should be administered two hours prior to a veterinary visit.
Injectable diazepam is used frequently in cats for anesthesia. There are a few reports of oral diazepam causing fatal hepatic failure when used at high dosages. Use it with caution in cats with hepatic disease and do not exceed clinical doses.
Buprenorphine
Buprenorphine is a partial mu agonist with analgesic and mild sedative effects. It is commonly administered with other sedatives and anesthetics, making it a reasonable option for balanced sedation or anesthesia in cats and dogs. Side effects may include sedation (which is the goal in this situation), hyperthermia, hypothermia, vomiting, and constipation.
Buprenorphine can be administered transmucosally in cats at a dose of 0.01 to 0.02 mg/kg, although a higher dose may be necessary since oral transmucosal uptake is low and variable (Steagall et al. 2014). Buprenorphine should be administered two to three hours prior to a veterinary visit. Duration of action is four to eight hours. Simbadol provides analgesia for 24 hours but efficacy of this duration has not been proven for OTM administration. (Steagall et al. 2014).
Sileo
Sileo, which is transmucosal dexmedetomidine, is FDA-licensed to treat dogs with noise aversions but is used off-label in a number of situations to reduce anxiety in dogs and cats. Sileo is fast-acting and minimally sedating. At a dose of 0.02 mg/kg, it can be combined with buprenorphine for use in cats with more significant fear and stress. In dogs, the dose is 0.01 to 0.04 mg/kg, and combination with buprenorphine is also an option. Sileo should be administered 60 minutes prior to a veterinary visit.
Not only will an effective pre-visit pharmaceutical plan decrease the animal’s fear, anxiety, and stress, it will also allow for easier and safer administration of intramuscular injections of premedications and anesthetics for all involved.
Transportation and Handling on Arrival
Request that the pet parent transport the patient in a soft, squeezable carrier or a carrier with a top that can be easily removed to facilitate low-stress handling. When the pet arrives at the hospital, immediately place the pet, still in the carrier, in a quiet room. Cover cat carriers with towels sprayed with Feliway.
Proper patient handling skills are paramount to minimizing stress and increasing safety during sedation or anesthesia (Yin 2009, Rodan et al 2011). Low-stress handling techniques are intended to minimize fear and pain experienced by pets during veterinary examination and increase safety of the veterinary team (Rodan 2010, Yin 2009). When handled appropriately with gentle restraint and Fear Free techniques, full anesthesia may not be necessary.
Removal From Carrier
Covering or wrapping a cat with a towel can help to decrease stress and increase a feeling of security.
Use gentle restraint when performing a physical exam and administering intramuscular injections. Do not grab and pull the pet out of the carrier and do not tilt to shake the pet out. For markedly fearful and/or aggressive pets who have arrived in a soft carrier, gently squeeze the sides of the carrier to administer an intramuscular injection through the carrier. For pets who have arrived in a carrier with a removable top, gradually remove the top half of the carrier while simultaneously placing a towel between the two halves of the carrier. Cover the pet with the towel, starting at the rear, and gradually move the towel up the pet’s body while removing the carrier top. This will allow for restraint under the towel for an exam and intramuscular injection.
Additional Sedation
If the pet needs a deeper plane of sedation, balanced sedation can be achieved with intramuscular injections of an opioid, dexmedetomidine or medetomidine, midazolam, alfaxalone, Telazol, and/or ketamine. If IV access is possible, propofol can be added to this list of drugs. When using injectable sedation, be aware that fear, anxiety, and stress may produce a more variable and less efficacious sedative response. The protocol may need to be adjusted. For all drugs, if the patient is deeply sedated or anesthetized, provide supplemental oxygen and initiate monitoring of physiologic parameters and support of normothermia.
For the opioids, mu agonists such as methadone, morphine, and hydromorphone provide the most profound analgesia and should be considered for patients undergoing surgical or other painful procedures. Buprenorphine is a partial agonist and may provide more analgesia than butorphanol but may also be less sedating. As previously stated, buprenorphine is absorbed after OTM administration, as is methadone.
Butorphanol provides mild, short-duration (60 minutes in the dog, 90 minutes in the cat) analgesia so is not optimal for painful procedures. However, butorphanol is a fairly effective sedative in both dogs and cats, especially in sick or aged patients. It is often combined with an alpha-2 agonist to increase the depth and predictability of sedation in healthy dogs and cats, as well as to enhance the alpha-2 mediated analgesia. Nausea and vomiting are the main adverse effects. Pre-treatment with an anti-emetic, such as maropitant, is recommended. Oral maropitant can be administered at home by the pet parent, thereby decreasing the likelihood of vomiting from the car ride to the hospital. Oral maropitant is approved for the dog at 2 mg/kg and used off-label in cats at 1 mg/kg (Quimby 2020). Other adverse effects include those listed above for buprenorphine. Naloxone can be used to reverse the effects of all opioids, although buprenorphine binds tightly to opioid receptors, making full reversal difficult.
Alpha-2 agonists, such as dexmedetomidine and medetomidine, provide fairly rapid analgesia and sedation and their effects can be reversed. There is a ceiling on the degree of analgesia, so further dosing acts to increase the degree of sedation, duration of sedation, and potential adverse effects. Alpha-2 agonists produce an initial hypertension and reflex bradycardia. Avoid using them in patients with most cardiovascular diseases. Alpha-2 agonists may also cause nausea and vomiting. Oral maropitant can be administered by the pet parent at home prior to the visit. Otherwise, administer maropitant SQ prior to the alpha-2 agonist if possible or administer maropitant SQ or IV once the cat is sedate.
Dexmedetomidine will markedly reduce the amount of induction and maintenance drugs required for anesthesia; use half or less of the standard induction drug dose. Wait at least 15 to 20 minutes after administering dexmedetomidine before induction to allow maximum effect to occur. Because level of sedation can be tailored to the patient by adjusting the dose and because the effects of alpha-2 agonists are reversible, this class of drugs is commonly used for sedation of pets admitted for outpatient procedures. The alpha-2 drug effects do not always require reversal, but reversal allows rapid return of a fully conscious pet to the pet parent.
Patients should be calm during both induction and recovery. Excitement should be avoided.
Alfaxalone is an anesthetic drug that can be used at low dosages for sedation or high dosages for anesthesia. It has a short time to onset and rapid duration of action with minimal adverse effects, which include dose-dependent minimal to mild cardiovascular and respiratory depression. It can be safely combined with other premedications such as opioids, dexmedetomidine, medetomidine, midazolam, and acepromazine. Alfaxalone can be administered intramuscularly (IM) and is a good option for cats but its volume makes it impractical for IM injections in larger pets. When used as a sole agent, recovery can be rough so balanced premedication protocols will help to diminish or eliminate this effect.
Ketamine is a dissociative anesthetic that is effective when administered intramuscularly and can be used at lower dosages for sedation and higher dosages for anesthesia. It provides analgesia when used at low doses and administered as an infusion. It is often combined with a benzodiazepine (midazolam or diazepam) for induction. Cardiovascular and respiratory depression are uncommon but could occur if the drug is administered to a severely compromised patient at an anesthetic dose.
Anesthetic dosages may need to be avoided in pets with a history of seizures or suspected intracranial disease, although recent data indicate that the drug may be used with caution in these pets. Anesthetic dosages should be avoided in cats with hypertrophic cardiomyopathy or pets with other cardiac diseases in which tachycardia could be detrimental. Use anesthetic dosages with caution in pets with renal disease. Ketamine is excreted unchanged by the kidneys in cats, and drug accumulation, with subsequent prolonged recoveries, could occur. However, low sedative dosages and the even lower infusion dosages used for analgesia are generally appropriate in all of these patients.
Telazol (tiletamine/zolazepam) is a combination of a dissociative agent (tiletamine) and a benzodiazepine (zolazepam) that can be administered IM and can be used at lower dosages for sedation and at higher dosages for anesthesia. Telazol is an excellent option for FAS-level 5 cats and dogs because the small volume needed to produce sedation or anesthesia can easily and quickly be administered IM. It has a quick onset and longer duration of action than ketamine, and it is not reversible. According to the product label, Telazol is contraindicated in pets with pancreatic disease or severe respiratory and/or cardiovascular disease; however, clinically these are precautions but not contraindications. Follow the same precautions as those listed for ketamine.
Conclusion
Taking steps to increase his comfort and reduce fear, anxiety, and stress have improved Hetch’s veterinary visits.
Overall, the use of inhalant chambers and masks is dangerous and stressful for both pets and anesthesia personnel. Stress causes deleterious effects on health outcomes and compromises mental wellbeing. Given the many alternatives that exist, use of an induction chamber or mask is a poor choice for sedation or induction and should be avoided for all patients. We as a veterinary community must prioritize practices that are both safe and stress-reducing for our patients and colleagues.
Hetch-Hetchy’s comfort for veterinary visits and procedures has increased substantially thanks to an effective protocol of pre-visit pharmaceuticals (0.02 mg/kg buprenorphine OTM and 50 mg trazodone PO 3 hours prior to getting into the car), an intramuscular injection of a sedative (alfaxalone) as needed, and low-stress handling. Having seen how swiftly he responds to this approach has highlighted the recent use of an inhalant chamber to sedate him as an archaic, inhumane practice that needs to be eliminated from our practices.
Table: Stages and Planes of Anesthesia
Stage
Description
Details
1
Disorientation, sedation
Occurs following premedications
2
Delirium, excitation, uncontrolled movement
Occurs during induction and recovery. Anesthetic plans should be designed so the patient spends minimal time in this phase. Induction should be rapid (use injectable drugs) and recovery should include sedatives if excitement/dysphoria occurs.
3
Unconsciousness, surgical plane of anesthesia
Plane 1: Light anesthesia, depth inadequate for moderately-severely painful procedures unless local anesthetic blocks are part of the protocol.Plane 2: Moderate anesthesia, adequate for painful procedures with administration of appropriate analgesia.
Plane 3: Deep anesthesia, required if analgesia is not part of the protocol. More physiologic depression occurs in this plane than in previous planes.
Plane 4: Excessively deep anesthesia, dangerous physiologic depression. Turn the vaporizer off and start ventilating for the patient to speed inhalant elimination.
4
Too deep!
This stage is between respiratory arrest and circulatory collapse. Take the patient off the anesthetic and prepare for CPR.
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This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Photos of Hetch Hetchy courtesy Alison Gerken, DVM; inhalant photo courtesy Tamara Grubb, DVM, PhD, DACVAA; cat inhalant chamber from Advances in Anesthesia; fearful cat from Napa Valley Holistic Veterinary Services; cat wrapped in towel courtesy Tamara Grubb, DVM, PhD, DACVAA.
Dr. Julie Reck, Owner, Veterinary Medical Center of Fort Mill, Fort Mill, South CarolinaMore than ever, pet owners have a strong bond with their pets. That means they are expecting their pet’s experience at the clinic to be enjoyable. Fear Free provides that excellent “customer” experience for both the pet and the pet owner. However, a client’s first Fear Free experience will likely be different from previous veterinary visits and could seem strange. It is important to ensure that each client fully understands that Fear Free considers both the medical and emotional well-being of their pet and realizes the significance of taking both aspects of the pet’s care into consideration.
Three Key Messages for Our Practice
We believe in the power of positive reinforcement. Patients will be treated kindly and receive lots of treats and verbal encouragement.
Fear Free is reinventing the definition of a successful veterinary visit. It is no longer acceptable to “just get it done.” We take into consideration where the patient is emotionally and proceed appropriately, which may mean that some things will not get done during a visit. For example, toenail clipping may have to be done another day if the patient elevates to moderate signs of fear, anxiety, and stress (Level 3 FAS).
Our hospital has a consistent approach to handling and treating our patients: Everyone is practicing Fear Free techniques with every patient.
Below are tips for successfully communicating the benefits of Fear Free to your clients.
Maximize Your Social Media Presence
Currently I have owners seeking out my clinic specifically for the Fear Free experience, but in the beginning this was not the case. It became obvious to me that the benefits of the Fear Free visit needed to be stated clearly in all my communications.
For the pet owner, the Fear Free journey begins before they get to the clinic. I want my clients to be educated consumers, so they “know before they go,” or, in other words, they know what to expect when they arrive at my clinic. My website and my clinic’s Facebook page fully communicate this to pet owners. We take a proactive approach to prepare the client for a positive experience. This includes stating our philosophy on what a good veterinary experience looks like for the pet and the pet owner using videos, testimonials, news feeds, or stories to keep pet owners informed and prepared for that great Fear Free experience.
The Customer Service Representative (CSR) Prepares the Client and Pet for the Visit
Our CSRs are the next line of communication. They are trained to answer any questions about Fear Free and are critical in making sure that the pet arrives safely and prepared for the visit.
Safety includes recommending that the pet is either in a carrier or harnessed/seat belted while in the car, and that they have a collar and leash if walked into the clinic or stay in the carrier until in the exam room. The carrier can provide the pet a sense of comfort.
Being “prepared” for the visit means making sure the pet arrives hungry and that we have their favorite treat ready for them when they arrive. A day or two before the visit, we send the owner a reminder email and/or text with these same instructions.
Continuing to Communicate During the Examination
The examination provides an opportunity to have a conversation with the pet owner, allowing them to feel more involved with the entire process. I will explain what I am doing, such as standing behind the patient instead of examining their head and face first. I will also describe the patient’s emotional status based on the patient’s body language and my physical findings. This prepares the owner for any diagnostic and/or treatment recommendations that I make, and they are more likely to be compliant with my plan.
Additionally, if the patient’s level of FAS does not allow the completion of the exam or planned procedures, such as nail clipping, the client will be more likely to understand because of the ongoing conversation about the patient’s behavior and emotional status.
It is also important that the pet owner understands their pet’s level of fear, anxiety, and stress will change, based on the situation. A dog who typically loves coming to the clinic may behave differently when coming in for examination and treatment of a painful ear infection. Where we may have never needed to sedate in the past, it is necessary now to ensure that the patient had the best possible experience because the dog’s pain has exacerbated his level of fear.
For patients with a history of severe veterinary visit FAS who we are seeing for the first time, we will inform the pet owner that the first visit will be a consultation. We take the patient’s history, perform a visual examination, but forgo the physical examination to keep the FAS level as low as possible. We may prescribe PVPs and/or schedule a series of “Happy Visits” where the patient arrives, receives treats, then leaves before we ever get to the hands-on physical exam.
What About the Client Who Fails to See the Benefits of Fear Free?
For clients who are more interested in “just getting it done,” I will inform them that the goal is to consider the long-term emotional wellbeing of their pet rather than the short-term approach of “just getting it done.” Some clients will understand and comply. For those who do not, we will agree to disagree and part ways.
It is important that the clinic owner and staff back this decision and uphold the values the Fear Free team has agreed upon. This is especially true if the pet owner is loud and unpleasant. Professional affirmation for the decision and support from colleagues can reinforce that one negative encounter with a client cannot undermine all the positive feedback and improved patient outcomes that comes with being Fear Free.
I have found that it is the small consistent changes that accumulate over time that get you to Fear Free. You might start with pheromones and see a subtle difference, then add in Considerate Approach and Gentle Restraint with liberal use of treats and see more of a change. As you continue to master the techniques and communicate the benefits of Fear Free, you will find that you and your staff are emotionally enriched, your clients have a renewed feeling of trust and bonding to you, and your clinic and your patients are actually happy to see you!
Sponsored by our friends at Zoetis Petcare. NA-02292
Heather E. LewisNoise is a notorious problem in shelters. When we reduce noise in shelters, we also moderate factors that cause fear, anxiety, and stress. Controlling noise is both an art and a science. Here are some helpful tips:
Create a calm environment and reduce mental stress. Because dogs cause the noise, it is important to ease dogs’ mental stress, so they feel less prone to barking. Regular exercise, outside time, supervised play groups, and walks help them to use their energy in positive ways. Creating feeding, cleaning, and bedtime routines in the shelter whenever possible so dogs know what to expect can also reduce their stress. Limit unpleasant stimulation as much as you can given your means. For example, for some dogs with barrier anxiety, it can be helpful to place a partial barrier on the fronts of their runs, so they have a choice of retreating from visual stimulation. And although it is sound, specially composed calming music may help to relax dogs and promote less barking. When played at low volume, it is meant to create calm rather than to mask noise.
Reduce the reverberation. Once you have done everything you can to lower stress through behavioral means, this is when building materials become more effective. Your best place for noise reduction is the ceiling! Choose a ceiling material with a high Noise Reduction Coefficient (NRC). The material should also be cleanable and antimicrobial. This is not impossible, as ceiling materials have improved. We like the Rockfon Medical Plus ceiling panel. This product achieves an NRC of .9, which means that 90 percent of reverberant noise within a tested frequency range is absorbed by the material.
Absorb the sound. In addition to the ceiling, you can place sound-absorbing panels high on the wall to reduce noise in the space. Please note that these sound panels are not enough on their own; they must be paired with the ceiling. Choose a panel with a high NRC and choose the thickest product offered as this one will absorb noise in a broader frequency range. Sound-absorbing panels do not need to be ugly! We use products that can be printed with a photo or image for a custom look.
Contain the noise. Beyond absorbing noise, it is also important to prevent it from affecting other shelter occupants, especially cats. We do this by ensuring that rooms containing dogs also contain the noise. The best way to do this is to build a wall with heavy mass (concrete block, etc.) around the dog housing. You can achieve the same result by layering materials. For example, a stud wall with sound insulation and two layers of drywall on each side will be much better than a stud wall without those materials. Keep in mind that a sound wall is only as good as its weakest point. To design an effective sound wall, do the following:
Build the wall up to the structure, so no sound “flanks” over the top of the wall.
Seal penetrations through the wall, such as duct and conduit penetrations.
Install gasketing around doors into the room, and a sweep on the bottom of the door.
If there are windows into the room, provide double glazing in the windows.
Separate dogs from other spaces. Despite doing the above, dogs are still loud. We recommend having more than one wall between dogs and cat spaces, or dogs and other quiet spaces such as offices. If the cats are right next to the dogs in your shelter, consider moving them to another room in the building, if possible.
Mask the noise. As a last resort, you can use masking noise to make your shelter feel more pleasant. An example of masking noise is soft white noise. While these sounds can be effective, we put this at the bottom of the list to encourage you to truly solve your noise problems first.
Your shelter does not have to be noisy! With a multifaceted and rigorous approach that begins with reduction of mental stress for dogs, you can create a much more peaceful, Fear Free place for animals and people.
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Heather E. Lewis, AIA, NCARB, is a principal of Animal Arts, an architectural firm that has exclusively designed animal care facilities, including veterinary hospitals and animal shelters, for more than three decades. She has worked on dozens of projects across the country, both large and small in her 19 years with the firm. Heather is a member of the Fear Free℠ Advisory Board and assisted in creating the Fear Free facility standards for veterinary hospitals. Heather is a regular contributor to various veterinary industry magazines. She has spoken on the design of facilities for the care of animals at dozens of national and regional conferences including Fetch Hospital Design Conferences, the UC Davis Low Stress Animal Handling Conference, and the Humane Society of the United States Animal Care Expo.
Rachel Lees, RVT, KPA CTP, VTS (Behavior)We’ve all seen the many animal-training programs on cable TV and streaming networks. Some of the concepts depicted in these programs are appropriate for veterinary behavior cases and some are questionable. This article will discuss the learning theories and training philosophies demonstrated in these programs and review why veterinary behavior professionals are using alternative protocols.
Whether you are a veterinary team member working in general practice or interested in behavior, it is important to recommend up-to-date Fear Free information for patients and clients. Giving outdated information can potentially damage the human-animal bond and potentially end with the patient being rehomed or even euthanized.
The first part of this blog post looked at punishment. Punishment is not recommended in treatment as it can slow learning and cognition, suppress behavior, increase fear and fear-based aggression, create damaging and unintended associations with owners and other environmental stimuli, and damage the human-animal bond.
This blog post discusses “dominance” theory, a commonly used training philosophy recommended by many traditional trainers. We will dive into the origins of this concept and discuss current recommendations.
Do You Really Need to Be Alpha?
The word “dominance” is one of the most misunderstood terms in veterinary behavior. The dictionary defines dominance as “the predominance of one or more species in an animal community.” The word predominance is defined as “possession or exertion of control.” When reviewing these definitions, it is hard to imagine that some trainers use them to describe how to train domestic animals. When an owner shows “exertion of control” over a pet, it increases the likelihood of behavior suppression, increased fear and anxiety, and can make owners and their actions conflicting to the pet. This can damage the human-animal bond and even increase owner-related aggression.
Here is the question veterinary professionals and owners have asked for years: If this training is so aversive, why did we start using it in the first place? In 1947, a Swiss scientist, Rudolph Schenkel, published a paper suggesting parallels between domestic dog behavior and that of wolves. In 1970, wildlife biologist L. David Mech built on that notion in his book “The Wolf: The Ecology and Behavior of an Endangered Species,” reinforcing the “alpha wolf” idea Schenkel had promoted (a concept Mech recanted later in his career after studying wolves in the wild). The adapted theory had gone as far as to assume that the human family makes up the dog’s pack, and if behavior problems are present, it is because dogs are working to raise their social rank in the “pack.” But as science has advanced, so has our understanding of canine behavior. Schenkel’s and Mech’s research had significant flaws, including the following:
Their original research was based on captive wolves. These captive social groups show little resemblance to the normal behavior of free-living wolves. Free-living wolves are all related to each other, which is quite different from artificial colonies of captive wolves.
Dogs and wolves may be from the same “genus” but are not the same. When these theories were published, they did not take into account the 15,000 years of domestication that separate modern dogs and wolves. These theories were generalized to the human-dog relationship and resulted in increased human-related aggression and behavioral problems. Comparing a dog to a wolf is like comparing a human to an ape. We are similar but not the same.
The original ritualistic body language displays were misinterpreted as forcible dominance displays. For example, it was reported that the “dominant” wolf will place the subordinate onto the ground. In reality, the subordinate or more fearful wolf will voluntarily assume this position to avoid conflict in a ritualistic appeasement behavior, which is the opposite of the original findings.
Meghan Herron, DVM, DACVB, at Ohio State University, published research concluding that use of forceful techniques can increase the likelihood of aggression toward owners. Unfortunately, the conflict inherent in the alpha-dog theory makes for appealing television, so the idea has been widely disseminated. Veterinary behavior professionals are now working to teach updated concepts that will enhance the bond between humans and dogs instead of putting a barrier between them.
As veterinary professionals it is important that we ask questions about training recommendations and behavioral concerns at each physical exam to confirm that clients are getting the most up-to-date behavior and training information. Clients value your opinion and recommendations and your advice can be lifesaving. Observe training classes you may recommend to ensure that they use Fear Free techniques.
Recommended Reading for Owners or Veterinary Professionals
From Fearful to Fear Free
Author(s): Marty Becker, Lisa Radosta, Wailani Sung, and Mikkel Becker
Decoding Your Dog
Author(s): The American College of Veterinary Behavior
Dog Sense
Author: John Bradshaw
Other Resources
Herron, Meghan E. Shofer, Frances. Reisner, Illana R. 2009. Survey of the use and outcome of confrontational and non-confrontational training methods in client-owned dogs showing undesired
Shaw, Julie K. Martin, Debbie. Canine and Feline Behavior for Veterinary Technicians and Nurses. John Wiley & Sons, Inc. 2015.
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Rachel Lees, an Elite Fear Free Certified Professional, is a veterinary technician specialist in behavior, a KPA certified training partner, and lead veterinary behavior technician at The Behavior Clinic in Olmsted Falls, Ohio. She loves helping people create and maintain a strong human-animal bond.
Linda Lombardi Fireworks and other loud noises are a common cause of fear and anxiety in dogs. A recent study provides some insight into the progression of this fear over time and provides evidence of the effectiveness of training and the importance of preventive training before fear develops.
“Not a one-way road—Severity, progression and prevention of firework fears in dogs” by Stefanie Riemer, published in PLoS ONE in September, analyzes the results of an online survey of dog owners who answered questions about the severity and development of fear, demographic factors, other behavior issues, and efforts made to address the problem. Out of 1,225 responses analyzed, 52 percent of dogs were affected by this fear to some extent. The severity of the fear was assigned a “Welfare-impaired score” based on the question “Please rate your level of agreement with the following statement: The overall welfare of my dog is strongly compromised by fireworks,” answered on a five-point scale from “disagree strongly” to “agree strongly.”
This fear often showed up early: in 45 percent of cases, at under one year. However, it also developed later, although in almost all cases before six years of age. Responses also showed that this fear can change considerably over time, both for the worse and the better, even if nothing is done to address it. Great improvement was reported for 10 percent of dogs and almost one-third of dogs tended to improve; just under one-fifth reported the fear had gotten worse, and 8.5 percent, much worse. One-third of dogs were reported to have shown no change.
Improvement was not always due to training or medication. For the subset of dogs whose owners had not sought advice for the problem and were not professionals such as trainers or veterinarians themselves, there was slightly less improvement, but also less deterioration – about half reported no change.
Owners of 530 dogs (43.3 percent) reported doing some training to prevent or treat firework fears. Preventive training was most effective: the median Welfare-Impaired score was 1 (lowest possible) in dogs trained in puppyhood and 2 in dogs trained as adults, compared to a median score of 4 for dogs with no training before the onset of fear. Statistical testing showed no significant difference between preventive training as a puppy and as an adult. However, there was a significant difference between having preventive training and having training only after fears had developed.
Training after fears developed was nevertheless shown to be worth doing, as those dogs were significantly more likely to show improvement. The effect of training was independent of whether the dog was treated with medication, as there was no difference in the proportion of dogs in groups that did and did not receive training.
The importance of some other factors investigated, including potential correlations with health problems and other behavior problems, were unclear, but one finding was that certain breed groups were more likely to suffer from this fear, including herding dogs. At the same time, one of the two most significant risk factors was being a mixed-breed. These results may seem contradictory, but they suggest that both genetics and upbringing are relevant. “Mixed-breed dogs originated from shelters or from the street more often so, on average, mixed-breed dogs probably had less positive socialization experiences,” says author Stefanie Riemer.
The other significant risk factor was older age. Again, at first glance this might seem to contradict the finding that fears develop at an earlier age, but fears are not static with aging. “While in over 70 percent, firework fear was noticeable before the age of two years, firework fear often does not disappear on its own, even though it may be improved, as I found in my study,” says Riemer. “Therefore, the longer the dog has been in the world, the more likely it is to have developed a fear of firework at some point in its life. Moreover, often the fear gets worse over time, which may lead to higher average fear scores in older dogs.”
The high number of owners who sought help for the problem (45 percent overall and 70 percent of owners of fearful dogs) was large compared with what has been found in other research. Riemer says, “I am sure the owners in the sample were above-average motivated to work with their dog. I don’t think this invalidates the finding regarding the effectiveness of training but of course a higher level of experience might make them more effective trainers.”
The results suggest that because preventive training is most effective, it’s a good idea to do some training with dogs who are not showing fear, but even after fear develops, it’s not too late. “This study shows that if your dog is afraid of fireworks or other loud noises, it’s important to do something about it, because it can make a difference,” says Zazie Todd, PhD, author of the blog Companion Animal Psychology. “There are several ways to help dogs who are afraid of fireworks, including gradual desensitization and counter-conditioning using a recording of the sound.”
Todd notes that Riemer’s recently published followup study on the effectiveness of various training methods found that owners reported that both ad-hoc counterconditioning and relaxation training helped.
She also observes that while some dogs’ response to noise is too obvious to miss, owners may need to be educated to notice it in others: “Other research has shown that sometimes people miss the signs their dog is afraid of fireworks, so it’s important to be aware and look for them.”
This article was reviewed/edited by board-certified veterinary behaviorist Dr. Kenneth Martin and/or veterinary technician specialist in behavior Debbie Martin, LVT.
Linda Lombardi writes about the animals that share our planet and our homes for magazines including The Bark, websites including National Geographic and Mongabay.com, and for the Associated Press. Her most recent book, co-authored with Deirdre Franklin, is The Pit Bull Life: A Dog Lover’s Companion.
A new feline patient with a high level of fear, anxiety, and stress went home with gabapentin as a pre-visit pharmaceutical. The exam we performed two days later was great. He was readily eating tuna and happy to be petted. He did well for a complete exam, including radiographs and blood draw. The Feliway-infused towel was also a great help.
draws and vet visits. He was a wonderful-tempered cat at home, but at the clinic, while he never bit or scratched, he hissed and struggled every time he came out of the cage and became a difficult patient to handle. He is very food-motivated and after we started Fear Free practices and he got squirt cheese and baby food every time he was handled, he now purrs and rubs on everyone when he comes for treatments and is so much happier and easier to handle. I am overall so much more aware of a patient’s anxiety level the moment they walk in the door now, and it gives us a chance to start finding ways to alleviate their stress before it escalates.
in patients, while others felt I was “too soft,” “only cared about giving the animals treats,” or “was crazy or misguided in my efforts.” Fellow faculty members sometimes shared these sentiments and even accused me of not being able to “get the job done” when I would elect to postpone or re-plan a procedure for an animal. The revolution of awareness that Fear Free has helped to create in our profession has changed the way I am viewed by students and colleagues. No longer the “crazy Dr. Griffin,” I am the one they ask to teach them about low-stress handling and Fear Free techniques. The art and science of Fear Free have become valued: this is truly a gift for all of us, our patients, and their owners. I look forward to the day when Fear Free is taught in all veterinary colleges and is fully embraced as an indispensable standard of care in veterinary practice.
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