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Australian National Kennel Council Registered Breeder
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Dilated Cardiomyopathy (DCM) Dilated cardiomyopathy (DCM) is a disease of the heart muscle which causes the heart to enlarge and not function properly. The occurrence of DCM usually increases with age and typically has an age of onset between 4 and 10 years. The cause is still unknown although many factors strongly suggest a genetic cause. It usually affects both the left and right sides of the heart with either side being more severely affected. Typically both the lower chamber and the upper chamber enlarge and lose their ability to contract and pump blood out to the body or the lungs. The consequence of this can be compared to a simple mechanical pump, which, if it fails, water backs up into the basement. Therefore, if the left heart fails, fluid backs up into the lungs and if the right heart fails, fluid backs up in the abdomen or in the space surrounding the lungs. There no definitive testing to tell if a dog is afflicted with DCM. There are some who say ECG's or Ultra Sounds are accurate in determining whether a dog has DCM or not. Most disagree with this theory as many a dog has been known to have an ECG or Ultra Sound and be diagnosed as "normal" only to have that same dog die a few days later of DCM. There is now a DNA test for ONE of the genes that has been isolated as a cause of Cardio. Long term prognosis varies considerably. Some dogs have survived for only a few weeks and others have survived for years after diagnosis of DCM. Treatment is aimed at improving the heart's function and controlling the signs of congestive heart failure. Drugs are used to help the heart contract better, diuretics can help control and prevent accumulation of fluid in or around the lungs. Drugs that control cardiac arrhythmias (electrical disturbances in the heart) are used as well. It is important for you to monitor your dog's overall attitude and outward signs, so that if you notice any heavy/laboured breathing, coughing, fainting spells, restlessness or profound lethargy, arrangements can be made to see your regular veterinarian quickly. Your observations and the administration by you of the prescribed medications is what will help your dog the most. You know your pet the best. For more information, visit the sites below or contact the Breeder of your dog. Canine Inherited Disorders Database (US site) Cardio Research Updates (US site) General Information About Dilated Cardiomyopathy in Dobermanns (US Site)
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