The other day I met a client with a several year old intact (non-spayed) female dog. I suggested to her that we perform an ovariohysterectomy. Her response was that she has had pets her whole life and had never spayed any of them.
There are good reasons for spaying a female dog or cat such as dramatically lowering the risk of mammary tumors, curbing the pet overpopulation situation, avoiding the mess when they come into season, and removing the chance of uterine infections. Most pets are spayed in their youth, long before they might become diabetic later in life. Nonetheless, intact female pets with diabetes should definitely be spayed.
For our pet owners with diabetic pets it really is critical to spay the pet as soon as possible. The reason for this is that as a pet cycles, the hormones can affect glucose regulation. Progesterone has been called the hormone of pregnancy. Progesterone is a potent antagonist of insulin. You may have heard of humans with gestational diabetes when pregnant. It can happen to pets, too. Progesterone levels also rise when a pet comes into heat. Dogs usually come into heat twice yearly, and each of these cycles lasts typically 3 to 6 weeks. Cats are induced ovulators. Cats may come into heat repeatedly unless they are bred. Cats tend to be more vocal (obnoxious?) about being in season than dogs, but unlike dogs they don’t typically have a discharge while in season.
Imagine thinking you have finally sorted your pet’s insulin dose requirement and then come the hormones of a heat cycle. Suddenly your pet may start drinking and peeing more. You wonder if the insulin went bad. You blame your vet for being a dummy. You grumble about going in to pay another exam fee or roll your eyes when your vets says, “Run a glucose curve at home”. Really, if a pet isn’t spayed, you should anticipate periods when your pet is NOT regulated until you proceed with the spay.
Now, what to do with the anesthesia on the day of the surgery? We recently discussed anesthesia for the diabetic pet. Always speak with your vet regarding his or her favorite approach to handing anesthesia for a diabetic pet! You can anticipate your vet checking the blood glucose several times that day and giving a lower morning dose of insulin since your pet will be held off food before anesthesia.
As always, I enjoy interaction with our readers. If you have any questions, feel free to contact me at Joi.SuttonDVM@adwdiabetes.com.
NOTE: Consult your veterinarian first to make sure my recommendations fit your pets special health needs.
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