Key result
The prevalence of heart disease during pregnancy ranges from 0.4% to 4.1%, with maternal mortality at 0.4% among Class I patients.
Despite declines in overall maternal and cardiovascular mortality, the prevalence of cardiovascular disorders in pregnancy remains constant due to medical and surgical advances allowing more women with heart disease to reach childbearing age.
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Persistent prevalence of heart disease in pregnancy warrants vigilant monitoring; leaves open gaps in contemporary outcome data for Class I patients.
Although both maternal and cardiovascular mortality have declined during the past decade, the apparent prevalence of cardiovascular disorders in pregnant patients has remained relatively constant because of three medical advances. These include more accurate diagnostic techniques; improved management, which now makes pregnancy possible for some women who might not have attempted childbirth in the past; and surgical correction of congenital cardiac lesions, which has created a new category of patients reaching childbearing age. The prevalence of heart disease during pregnancy ranges from 0.4 to 4.1 per cent, and maternal mortality ranges from 0.4 per cent among patients in Class I . . .
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Sullivan et al. (1985) conducted a review in Severe Cardiac Disease in Pregnancy. The prevalence of heart disease during pregnancy ranges from 0.4% to 4.1%, with maternal mortality at 0.4% among Class I patients.
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