What’s the Prognosis of Cardiomyopathy?


What’s the prognosis for people with cardiomyopathy? What’s the survival rate and how long can they live?


In spite of the causes of cardiomyopathy, the natural history of the disease may be short, from several months to 2 years ending with death. However, the clinical course can be very long in some cases in which patients respond to therapies. Survival rate varies due to severity and diagnosis.

The annual death rate of people with dilated cardiomyopathy and moderate heart failure is about 20%. It increases to 50 % in those with dilated cardiomyopathy and severe heart failure. The presence of complications may decrease the survival rate for people with cardiomyopathy.

People with hypertrophic obstructive cardiomyopathy usually have a poor prognosis. Unless they undergo the surgery to remove excess myocardial tissue, they seldom respond to drug treatment. The annual mortality rate of this condition is 1% – 2%. It is the most common cause of sudden death in young adults which often results from ventricular fibrillation.

Generally people with restrictive cardiomyopathy seldom respond to therapies, so the prognosis is poor.


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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.