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Alternative namesCardiomyopathy - restrictive; Infiltrative cardiomyopathy
"Restrictive cardiomyopathy" referes to a group of disorders in which the heart chambers are unable to fill properly with blood because of stiffness of the heart. In restrictive cardiomyopathy, the heart is normal
The most common causes of restrictive cardiomyopathy are amyloidosis and idiopathic myo
Restrictive cardiomyopathy may be hard to differentiate from constrictive pericarditis . A biopsy of the heart muscle may be used to confirm the diagnosis. A cardiac catheterization procedure can sometimes help to differentiate the two cardiomyopathies by performing simultaneous left and right heart catheterization. In some cases, surgical exploration and biopsies are the only means to definitely distinguish restrictive cardiomyopathy from constrictive pericarditis.
Little therapy is known to be effective for the treatment of restrictive cardiomyopathy. The goal of treatment is to control symptoms and to improve the quality of life.
Expectations (prognosis)People with restrictive cardiomyopathy may be candidates for heart transplant . Prognosis is dependent on the underlying etiology but it is usually poor. Average (mean) survival after diagnosis is 9 years.
ComplicationsProgressive heart failure , mitral regurgitation, tricuspid regurgitation.
Calling your health care providerCall your health care provider if symptoms of restrictive cardiomyopathy are present.
Update Date: 5/9/2002Elena Sgarbossa, M.D., Department of Cardiology, Rush-Presbyterian St. Luke's Medical Ctr., Chicago, IL. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT