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Is Your Pet Too Old For Anesthesia?

Is Your Pet Too Old For Anesthesia?Almost one in three times I recommend a dental cleaning on a senior age pet 8 years or older, this is the first question I am posed.  Owners will still occasionally ask the question about age-related anesthetic safety for other procedures that require anesthesia, such as soft tissue and orthopedic surgeries, but most commonly, pet owner fear of anesthesia is most associated with dental and other elective procedures.

Where did this fear of anesthesia come from?  We generally do not have the same fear when anesthesia is recommended for ourselves.  Fear of anesthesia is generally not a concern for human patients when, for example, a colonoscopy is recommended.

Truth be told, anesthesia of veterinary past carried more risk than it does today.  Veterinary hospitals outside of a veterinary university setting could not purchase the newer, safer anesthesia and induction agents, nor could they purchase the top of the line anesthesia stability monitors; and still keep the cost of procedures affordable to the owners.  As a result, while anesthesia in general practice was far from being outright dangerous, it was not as safe in comparison to human medicine, and certainly not as safe as it is today.  As a result, not only were many pet owners aware of this fact, veterinarians were generally wary of recommending anesthesia unless quality of life was categorically on the line.  Anesthesia was not likely going to be recommended for a routine dental cleaning for stage 1 periodontal disease.  Of course, this would lead at some point to such an advanced level of dental disease that not only would anesthesia be necessary to deal with the teeth, but oral surgery would necessary to extract teeth and debride dental abscesses…which, incidentally, would lead to longer anesthesia.

I do not know exactly when the change in veterinary anesthesia safety took place, but it was well underway when I was a new veterinary graduate in 2002.  As the cost of safer, modern anesthetics and monitoring equipment became more affordable, more practices were increasingly getting equipped with these modalities.  As a doctor, I did not have the same anesthesia concerns as my older colleagues.  Confident in not just the anesthetics and monitoring equipment, there was no time in my career that I have had qualms about recommending anesthesia for elective procedures in senior pets (of course with the exception of obvious mitigating circumstances like cardiac or liver/kidney problems, etc.). Of course, old notions die fast.  Thus, a generation of veterinarians and pet owners remained, and some to degree, even remain today, that held the same outdated fear of anesthesia in senior pets.

In the current veterinary hospital climate with anesthesia safety now rivaling that of human anesthesia, the overall risk of death from anesthesia is comparatively low, even in senior pets, provided proper precautions are taken, such as pre-anesthetic blood screening, thorough physical examination, and other proactive pre-anesthesia preventative diagnostic measures.  The greater danger is failing to follow through on a necessary procedure out of fear of anesthesia.

I will leave you with a brief true story.  A client of my hospital, a registered nurse interestingly enough, is terrified of anesthesia for her pets.  Thus, she declined my repeated yearly recommendations for much needed dentistry for her Italian Greyhound.  He reached a point by the age of 13, that the smell from his mouth was so offensive that it was difficult to get within 3 feet of him without smelling, and I could not examine his mouth because of how painful it was for him, for me to even touch his face.  The dog’s quality of life was poor because of this, but it was not until the dog came in with a severely swollen muzzle, refusing to eat and losing weight, that the owner was faced with anesthesia with the patient now systemically compromised from severe infection and malnutrition – not to mention thousands of dollars’ worth of oral surgery to repair the oral cavity (I had to reconstruct the patient’s upper jaw because of all the bone loss from years of decay).

Following debridement and surgery, I knew the dog would be too painful to eat post-operatively for at least one week, so I had to place a feeding tube to provide the dog nutrition while he healed.  The owner learned a very difficult lesson from this experience, and her dog paid a serious price because of her irrational fear of anesthesia.  Even at 13, systemically compromised, and under anesthesia for 90 minutes; he came through seamlessly from an anesthesia stability perspective.

Anesthesia is certainly nothing to take likely, but it should also not be feared when necessary.  With current anesthetic and anesthesia monitoring technology making the safety of anesthesia compare with that of human medical anesthesia, the far greater danger is to allow mild conditions to progress to outright debilitating and dangerous ones out of fear of an important medical means to an end.

Dr. Roger Welton is a practicing veterinarian and well regarded media personality throughout a number of subjects and platforms.  In addition to being passionate about integrative veterinary medicine for which he is a nationally renowned expert, Dr. Welton was also an accomplished college lacrosse player and remains to this day very involved in the sport.  He is president of Maybeck Animal Hospital , runs the successful veterinary/animal health  blogs Web-DVM and Dr. Roger’s Holistic Veterinary Care, and fulfills his passion for lacrosse through his lacrosse and sport blog, The Creator’s Game.

7 thoughts on “Is Your Pet Too Old For Anesthesia?

  1. Peggy VanBrocklin says:

    Excellent advice. Just had my 14 yr old 10 lb. dog’s teeth cleaned. She is doing very well. Eating soft food and seems comfortable. I was so worried I put this procedure off and she had to have teeth extracted. You are right on about us older folks having fear of anesthesia. I wish I had read your article sooner. My dog would still have her teeth! ( ps. I am also a retired nurse)

  2. STEFEN says:

    I HAVE A 13 YEAR OLD CHIWOUAUH WHO NEEDS ABOUT 1500.00 OF DENTAL SURGERY.YES IDE PAY ANYTHING TO KEEP HER OUT OF PAIN!!!! ITS STARTING TO ADVANCE BUT IM SCARED ABOUT THE ANESTHESIA,SHE IS SO LITTLE AND WEAK AND EATS WELL ON SOFT FOOD..PLEASE PLEASE IM DISABLED AND DONT WANT TO LOSE HER…PLEASE PLEASE TELL ME WHAT TO DO???? I DONT AT ALL TRUST THE DOCTOR!! BEING A RETIRED PHYSICIAN MYSELF HE WONT EVEN GIVE HER ANTIBIOTICS OR TEMP.PAIN MEDS…PLEASE HELP ME !!!!!!!
    STEFEN GITTERMAN

    • Olivia says:

      Stefen, why don’t you go see a different vet? Have you tried lysine, and anti tartar products at home? My older cat does very well with antibiotic shots, and I keep her on lysine and anti tartar rinses, grain free cat food, and she has a fresh water fountain.

  3. Chas Boyle says:

    Thank you for your article.

    There is always, always risk to any loved pet when the animal goes under anesthesia, though the risk is very small in most cases. We hope the risks no matter how small are greatly outweighed by the benefits as the author extols.

    What this article doesn’t bring up is that in older dogs it is quite common for them to have a slight and difficult to diagnose congested heart failure and that any dog esp. older ones should never be given anesthesia under these conditions as the risk of death increases dramatically, something in the order of at least 30 – 50%.

    Modern anesthesia still takes it’s toll on older dogs that are misdiagnosed as not having CHF.

    Our 12 yr. old Shit Zu died under these conditions. I suspected that he had a mild condition of Congested Heart failure brought on by old age – the hearts in dogs loose efficiencies and stop working as well as when they are young. But our Vet didn’t see it. It was a misdiagnosis that cost our dog his life.

  4. Olivia says:

    Good advice but equally important to read the histories of people who followed the vet’s advice and ended up losing the pet because of surgery or post surgery complications. My cat is 18, mildly diabetic and has previously had kidney problems. The vet wants to extract some of her teeth because she’s got dental disease or possibly an infected tooth. Her appetite and behavior are unchanged other than some discomfort if I pet one side of her mouth. Her gums aren’t that inflamed but she does have tartar buildup. Her breath isn’t any worse than any of my other cats. When she gets an antibiotic shot the discomfort goes away entirely for about 2 months then returns but is no worse than before. I’ve read lots of stories about people losing older pets during surgery or after because of bacteria traveling into the blood stream and lodging in the heart, fluid building in the lungs etc. If they do live through it, they may not even experience a better quality of life either. I feel like sometimes vets try to scare you into doing surgery for their financial benefit instead of admitting there might be less than a 50% chance your pet will survive and/or have any better quality of life after you’ve emptied your wallet. Surgery is no guarantee of health or longer life. Risking my cat’s life for something that may not improve her quality of life or kill her is something I’m not going to do.

  5. marlene says:

    I agree, I have a 14yo diabetic cat with the same problem. I feed her oatmeal and plain yougurt in which I grind some IAMS. Lost weight but eat well every day

    I would never take the risk of the by the Vet recommended surgery……my cat is not only diabetic and old but has always been an over anxious cat

  6. Kate Welling says:

    I think that my cat needs to be put under for a tumor that I think is in her tummy, so I am happy that I found this article. It’s nice to know that the death from anesthesia in older pets is low! I am going to find a vet to bring my cat to. It would be great if the vet offered anesthesia!

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