Key result
Seriously injured hearts accounted for 20% to 28% of maternal deaths at two Boston hospitals, despite affecting only about 1% of all pregnant patients.
Observational
Yes
Pregnant patients with significant heart disease represent a small fraction of pregnancies but contribute disproportionately to maternal mortality.
Answers are grounded in this paper and cite their sources.
Supports targeted cardiac evaluation in pregnancy; hypothesis-generating for mortality-reduction strategies.
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Burton E. Hamilton (1928) conducted an observational in Cardiac disease in pregnancy. Cardiac disease (seriously injured hearts) was evaluated on Maternal death. Seriously injured hearts accounted for 20% to 28% of maternal deaths at two Boston hospitals, despite affecting only about 1% of all pregnant patients.
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