Seminars in perinatology
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Maternal cardiac disease complicates approximately 1-2% of all pregnancies in the United States. Just as during the antepartum period, in the immediate period surrounding delivery, obstetrical patients with cardiac disease (both congenital and acquired) will have specialized needs, tailored to the patient and her specific lesion. ⋯ These include endocarditis prophylaxis, recent anticoagulation, fluid management, and the need for increased maternal cardiac monitoring. Awareness of the challenges of the intrapartum period combined with a multi-disciplinary approach from anesthesia, cardiology, and the obstetrical provider will optimize the patient for a safe delivery.
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Adults with congenital heart disease now form the largest group of women with cardiac disease becoming pregnant in the developed world. This is both a mark of impressive steps forward in the management of congenital heart disease and also a challenge to the medical community to develop systems of care that will best serve these women and their babies. ⋯ As this population of patients continues to grow, we must continue to learn and improve our diagnostic tools and management strategies to refine their care. This review intends to focus on reviewing the outcomes in this set of patients and also an approach to the assessment and the management of these patients, primarily for an audience of obstetricians, pediatricians, and anesthesiologists.
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While ischemic heart disease in reproductive-age women is rare, cardiac disease is a leading cause of maternal mortality. In turn, coronary artery disease is one of the most common causes of maternal cardiac death. The incidence of coronary artery disease in pregnancy may be rising due to the increasing prevalence of comorbid risk factors. ⋯ Care for ischemic cardiac disease in pregnancy may be suboptimal because: (1) diagnosis is delayed because many symptoms of ischemic cardiac disease are common in pregnancy, (2) a diagnostic workup is insufficiently thorough, and/or (3) consultants may be hesitant to perform diagnostic and interventional procedures in obstetric patients. Obstetric providers should be aware of the possibility of ischemic cardiac disease in pregnancy, particularly in patients with comorbid risk factors. If ischemic cardiac disease is suspected, a thorough workup should be performed.
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Maternal cardiac disease is a major cause of non-obstetric morbidity and accounts for 10-25% of maternal mortality. Valvular heart disease may result from congenital abnormalities or acquired lesions, some of which may involve more than one valve. ⋯ Communication between the patient׳s obstetrician, maternal-fetal medicine specialist, obstetrical anesthesiologist, and cardiologist is critical in managing a pregnancy with underlying maternal cardiac disease. The management of the various types of valve diseases in pregnancy will be reviewed here, along with a discussion of related complications including mechanical prosthetic valves and infective endocarditis.
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Cardiomyopathy during pregnancy is uncommon but potentially catastrophic to maternal health, accounting for up to 11% of maternal deaths. Peripartum cardiomyopathy is diagnosed in women without a history of heart disease 1 month before delivery or within 5 months postpartum. About half of all women will have full myocardial recovery within 6 months of diagnosis, but complications such as severe heart failure or death are not rare. ⋯ Risk factors for adverse outcomes include functional status at baseline, severity of systolic dysfunction or outflow tract gradient, or history of prior cardiac event, such as arrhythmia or stroke. The level of brain natriuretic peptide (BNP) can be used to risk stratify women for adverse events. Pregnant women with cardiomyopathy should be followed closely by a multidisciplinary team comprised of nurses, obstetricians, neonatologists, cardiologists, anesthesiologists, and cardiac surgeons.