Thyroid Gland Disorder in Dogs
Myxedema and Myxedema Coma in Dogs
Myxedema coma is a rare condition in dogs characterized by an under-functioning thyroid gland (hypothyroidism). Affected dogs become cold, extremely weak, and mentally dull/depressed. Animals with myxedema have a drop in metabolism, in the oxygen production in their cells, and in calorie production. This diseased condition has a high mortality rate. Affected animals may progress from depressed, to comatose, to dead in relatively short order. Successful treatment is reliant upon early recognition of the disorder and prompt and appropriate medical treatment.
The name myxedema refers to the swelling above the eyes, and in the jowls that these patients display. This edema occurs because of an increase in dermal ground substances in their skin (the jelly like material in which collagen bundles are based in the skin).
Myxedema coma has been most commonly reported in Doberman pinschers.
Symptoms and Types
Your veterinarian will perform a thorough physical exam on your pet, with a chemical blood profile, a complete blood count, a urinalysis and an electrolyte panel. A specific blood test for thyroxine levels (the thyroid gland hormone that regulates the metabolic rate) will indicate (along with clinical signs) for certain whether or not your pet is suffering from myxedema. You will need to give a thorough history of your pet's health, including a description of the onset of symptoms.
Chest and abdominal x-rays will also be taken to look for effusion (excess fluid) and swelling in your pet’s lungs.
The prediction of a disease’s outcome in advance
A gland found in the neck of humans and animals that secretes glands responsible for metabolic rate, calcitonin, and others.
An in-depth examination of the properties of urine; used to determine the presence or absence of illness
The group of processes that involve the use of nutrients by the body
The escape of fluid or blood into tissues or body spaces or cavities
Related to or of the skin
The collection of fluid in the tissue
The amount of pressure applied by the blood on the arteries.
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