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Peripartum Cardiomyopathy: Clinical and Therapeutic Aspects
Peripartum cardiomyopathy is an under-recognized form of dilated cardiomyopathy of unknown cause and is associated with excess morbidity and mortality in women of childbearing age. Incidence of peripartum cardiomyopathy ranges from 1 in 1,300 to 1 in 15,000 pregnancies. The diagnostic criteria are onset of heart failure in the last month of pregnancy or in first 5 months postpartum, absence of determinable cause for cardiac failure, and absence of a demonstrable heart disease before the last month of pregnancy. Multiparity, twin births, advanced maternal age, preeclampsia, gestational hypertension, and black race are known risk factors. The exact cause of peripartum cardiomyopathy is unclear. The clinical presentation of patients with peri partum cardiomyopathy is similar to that of patients with systolic congestive heart failure. Little is known about the therapy of this disease, and the medical treatment is limited to the use of drugs for symptomatic control. Prospective, randomized, double-blind studies are needed to define the role of immunosuppressive treatment and to evaluate the role of conventional treatment of dilated cardiomyopathy in reducing the mortality rate of peripartum cardiomy opathy. About half the patients of peripartum cardiomyopathy recover without any complica tions. The prognosis is poor in patients with persistent cardiomyopathy. Persistence of disease after 6 months indicates irreversible cardiomyopathy and portends worse survival. The risk of developing peripartum cardiomyopathy in subsequent pregnancies remains high. The clinical and therapeutic aspects of the peripartum cardiomyopathy are discussed.
Angiology, Vol. 52, No. 11,
759-762 (2001) |
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