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Cats with Diabetes Looks Promising. – Pet Planet Magazine

Cats with Diabetes Looks Promising.

By on September 19, 2012

The future for cats with diabetes looks promising. Diabetic cat food, new types of insulin, home monitoring devices, oral medications and ideal feeding schedules make managing diabetes in cats easier for owners and help diabetic cats live longer lives.

Diabetes in Cats
Feline diabetes is a common glandular disorder estimated to affect 1 in 300 cats. Diabetes occurs from a decrease in insulin secretion from the pancreas and/or a decrease in the action of insulin, which is a hormone required for metabolizing carbohydrates.

There are basically two types of diabetes. Type 1 diabetes is comparable to insulin-dependent diabetes in humans; the body does not produce adequate amounts of insulin, and treatment requires insulin injections. Type 2 diabetes resembles non-insulin-dependent diabetes in humans; the body may secrete insulin but does it abnormally, and the tissues may not recognize the insulin. Cats with type 2 diabetes can sometimes be managed with diabetic cat foods, but as the disorder progresses, insulin deficiency occurs, and insulin injections are ultimately required.

Current thinking suggests that almost all diabetic cats have type 2 diabetes. The argument is that if a cat goes into remission, which is common, the cat must be type 2. However, the parallels with human type 2 diabetes are not perfect. Some even suggest that the terms type 1 and type 2 should not be used with cats.

Though all cats are at risk for diabetes, middle-aged and older males are more susceptible. Purebred cats tend to be at decreased risk for diabetes, except for the Burmese, which is four times more likely to be stricken with diabetes.

The classic clinical signs of diabetes include excessive thirst and urination, extremely good appetite and weight loss. Some cats also exhibit neurological dysfunction in their rear legs.

Diagnosing feline diabetes is usually straightforward. High blood sugar accompanied by sugar in the urine confirms the diagnosis. Some cats are very stressed while at the veterinarian’s office, which can result in high blood sugar or hyperglycemia. However, these stressed cats rarely have sugar in their urine. In cases where a cat has high blood sugar and a trace amount of sugar in the urine, a blood test called fructosamine is available that allows veterinarians to differentiate stress-induced hyperglycemia from diabetes.

Diabetic Cat Food
Dietary issues have played an important role in the management of feline diabetes. For years, high-fiber diets were recommended in the initial management of diabetes. More recently, research has shown that for cats, as pure carnivores, diets low in carbohydrates and high in protein are more appropriate. According to research, the use of such diets can lower the insulin requirements of most cats with diabetes.

In some cases, the diabetes can be managed using diabetic cat food alone. It is impossible to predict which cats will respond to a high-protein diet and to what degree the insulin dose can be reduced. Diabetic cats transitioning to these new diets need close monitoring during the first few months to ensure that hypoglycemia (low blood sugar) doesn’t occur. Cats with kidney disease also must be watched closely, as high-protein diets can increase the progression of kidney failure.

Cats with diabetes have been encouraged to eat several small meals throughout the day, to minimize fluctuations in blood sugar. However, a recent study suggests that although cats naturally like to nibble on food 10 to 20 times a day, those nibblers experience higher insulin concentrations than those that get fed once daily. Therefore, letting diabetic cats nibble throughout the day might increase the demand on their already-impaired pancreas to secrete insulin – contributing to pancreatic cell burnout. Cats predisposed to poor glucose tolerance or diabetes may do better if fed once daily. Further studies are necessary to determine the optimal feeding strategy for diabetic cats.

Cats who eat a canned, low-carbohydrate, high-protein diabetic cat food exclusively have a higher rate of remission from diabetes. Some cats fed a dry, low-carbohydrate, high-protein diabetic cat food exclusively also go into remission. For cats who have eaten dry food exclusively for most of their lives and resist changing to canned food, a diabetic dry food is a good option.

Managing Insulin
Most diabetic cats require insulin injections to control their diabetes. Years ago, most veterinarians administered a type of insulin called protamine zinc insulin (PZI), which is derived mainly from cattle. Cats respond well to bovine insulin, because the molecular structure of feline insulin closely resembles bovine insulin. PZI is the only FDA-approved insulin for cats. Most cats require twice-daily injections. For some cats, the diabetes resolves and the cats no longer need insulin.

If your cat requires insulin, it’s important to monitor her blood sugar at home and look for signs of hypoglycemia (low blood sugar), as this condition could be fatal. Signs of hypoglycemia include weakness, wobbly gait, disorientation, vocalizing, blindness, walking in circles, seizures and coma. Death could be imminent. Keep corn syrup or honey on hand due to their high sugar content and rapid absorption rate, and rub on your cat’s gums immediately, then rush your cat to the veterinarian or emergency clinic for evaluation.

Determining blood-sugar concentrations and serial blood-glucose curves are important aspects of long-term management in diabetic cats. You can obtain blood from your cat’s ears and measure the blood-glucose levels using a portable glucose meter.

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