CardiomyopathyIncidence, Mortality, and Racial Differences in Peripartum Cardiomyopathy
Section snippets
Methods and Results
The Peripartum Cardiomyopathy research project is a study designed to determine the incidence, predictors, and outcomes of women with this rare disorder in the Kaiser Permanente Southern California health plan. The region is ethnically diverse with whites, Hispanics, Asians, and African-Americans well represented.
By searching electronic hospitalization databases, we identified all women hospitalized with heart failure (HF) 6 months before or 9 months after a delivery between January 1, 1996 and
Discussion
In this large community-based population the overall incidence of PC was 1 in 4,025 births in the Southern California region, but there was substantial variability between races. The incidence was highest in African-Americans and lowest in Hispanics. The variation in incidence by ethnicity may help explain, in part, the wide range reported in the literature. However, what remains unclear is the reason for these differences. It is possible that environmental or genetic influences may be
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2022, American Heart JournalCitation Excerpt :All studies used a retrospective cohort design. Among the included studies, 11 used data from the National Inpatient Sample;8,11,12,14-17,20,22,24,25 2 used data from the Southern California Kaiser Healthcare System;21,26 4 used state-based hospitalization data from one or more of the following states: California, Florida, Michigan, New Hampshire, New Jersey, New York, North Carolina, Vermont, and West Virginia;13,19,27,28 and one study used data from a single hospital in Rhode Island.18 Nearly all studies were conducted in a general pregnancy population, although 3 studies were limited to women with preeclampsia,16 peripartum cardiomyopathy,8 and heart failure.21
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