Recovery of left ventricular systolic function in PPCM patients often requires longer than 6-12 months following diagnosis. It is important to continue effective treatment and follow-up for a sufficient period to assure maximum benefit.
Peripartum cardiomyopathy (PPCM) is a form of heart failure from dilated cardiomyopathy with one of the greatest potentials for eventual full systolic function recovery. Traditional concepts of PPCM have held that if recovery did not occur by the six-month post-diagnosis mark, it would be unlikely to happen. This report shows that improvement and eventual full recovery may occur long after that initial period. PPCM patients have been identified from the Hôpital Albert Schweitzer PPCM Registry, Deschapelles, Haiti, from 2000 to 2008. All patients fully met diagnostic criteria for PPCM, which include onset of heart failure during the last month of pregnancy up to 5 months postpartum, absence of previous heart disease or other cause of heart failure, and echocardiographic criteria for systolic dysfunction. Recovery was defined as left ventricular (LV) ejection fraction (EF) greater than 50 percent. Echocardiography was carried out at initial diagnosis and at 6-month intervals, with a minimum of 24 months follow-up required for inclusion. Standard treatment included diuretics (lasix) and ACE-inhibitors (captopril), as determined by economic factors, which also excluded the routine use of beta-blockade. Thirty-two out of 116 (27.6 %) PPCM patients fully recovered LV systolic function. Mean follow-up was 35 months. The shortest time to recovery was 3 months and the longest time to recovery was 48 months. The number and cumulative percentage of recovery is shown in the following table : Table: Length of time required for recovery of left ventricular function in 32 Haitian PPCM patients, 2000–2008: Likelihood of recovery did not correlate with age (17–47 years), parity (1–10) or LV EF at diagnosis (12 to 40 %). Complete recovery of LV systolic function in PPCM often occurs after the first 6 to 12 months following diagnosis. It is important to continue treatment and follow-up sufficiently long to assure and document maximum benefit
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