Peripartum cardiomyopathy (PPCM) is an idiopathic cardiomyopathy that occurs in late pregnancy and early postnatal period, which is mainly characterized by varying degrees of impaired ventricular systolic function and symptoms related to heart failure, and is a serious threat to maternal health. About 50% of patients can achieve complete recovery of cardiac function within 6 months after diagnosis with early standardized treatment, about 30%-40% of patients can have delayed recovery, and about 12.6% of patients have long-term impairment of cardiac function and poor prognosis. However, there are still controversies about whether and when to stop the drug after standardized treatment. The Chinese Society of Cardiovascular Disease of the Chinese Medical Association proposed in the Guidelines for the Diagnosis and Treatment of Dilated Cardiomyopathy in China that patients with PPCM should be considered for gradual withdrawal of the drug after at least 1 year of stabilization of cardiac structure and function recovery. And in the China Heart Failure and Diagnostic and Treatment Guidelines released in the same year, it is proposed that standardized heart failure therapy for patients with peripheral cardiomyopathy should be continued until at least 6 months after the left ventricular function has been fully recovered before gradual discontinuation of the drug. The American Heart Association's 2019 guidelines for perinatal cardiomyopathy remain skeptical about the timing of discontinuation, with some experts suggesting that the drug can be gradually discontinued 1-2 years after cardiac function has recovered, while others still recommend long-term use of the drug to avoid deterioration of cardiac function after discontinuation. At present, there is a lack of large-scale clinical studies on the effect of stopping standardized treatment on the long-term prognosis of PPCM patients, and clarifying whether PPCM patients can discontinue the drug and the timing of discontinuation is of great significance to the long-term prognosis of the patients and even to the rational allocation of the national healthcare resources as a whole.
Age range
20 Years – 45 Years
Sex
FEMALE
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deterioration in cardiac function within 1 year of the subgroup study
Timeframe: 1 year