International journal of cardiology · 2022
Outcomes of pregnancy in women with hypertrophic cardiomyopathy: A systematic review.
СтатьяСистематический обзорНазвание и аннотация: Перевод в очереди
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Moolla Muhammad, Mathew Anoop, John Kevin, Yogasundaram Haran, Alhumaid Waleed, Campbell Sandra, Windram Jonathan
Аннотация
INTRODUCTION: Hypertrophic cardiomyopathy (HCM) is a genetic disorder that can be complicated by heart failure and sudden cardiac death. Pregnancy causes hemodynamic changes, which may be deleterious in patients with HCM. Existing cohort studies, analyzing maternal and fetal outcomes of pregnant HCM patients, are limited by small sample sizes. We performed a systematic review of maternal and fetal outcomes of pregnancy in patients with HCM.
METHODS: We performed a literature search for studies reporting maternal or fetal outcomes in pregnant women with HCM. Primary outcomes included maternal death, stillbirth, and fetal death. Secondary maternal outcomes included both sustained and non-sustained ventricular tachycardia (VT), atrial fibrillation, heart failure (HF), syncope, cesarean delivery, and preeclampsia/eclampsia. The secondary fetal outcome was preterm birth. We used a random-effects model to determine pooled incidences of outcomes.
RESULTS: We identified a total of 18 studies with 1624 pregnancies. The incidence of maternal death was 0.2%. The rates of sustained VT, any VT (including non-sustained), AF, HF, and syncope were 1% (0-1%), 6% (4-8%), 4% (2-6%), 5% (3-8%), and 9% (3-14%), respectively. Postpartum hemorrhage, preeclampsia/eclampsia, and cesarean section complicated 2% (1-4%), 4% (2-6%), and 43% (32-54%) of pregnancies, respectively. Neonatal death occurred in 0.2% of pregnancies. Stillbirth complicated 1% (95% CI, 0-3%) of pregnancies, whereas the incidence of preterm birth was 22% (95% CI, 18-25%).
CONCLUSIONS: Women with HCM considering pregnancy can be reassured that the risk of maternal, fetal, or neonatal death is low. However, they are at risk of several non-fatal cardiac and pregnancy-related complications.
METHODS: We performed a literature search for studies reporting maternal or fetal outcomes in pregnant women with HCM. Primary outcomes included maternal death, stillbirth, and fetal death. Secondary maternal outcomes included both sustained and non-sustained ventricular tachycardia (VT), atrial fibrillation, heart failure (HF), syncope, cesarean delivery, and preeclampsia/eclampsia. The secondary fetal outcome was preterm birth. We used a random-effects model to determine pooled incidences of outcomes.
RESULTS: We identified a total of 18 studies with 1624 pregnancies. The incidence of maternal death was 0.2%. The rates of sustained VT, any VT (including non-sustained), AF, HF, and syncope were 1% (0-1%), 6% (4-8%), 4% (2-6%), 5% (3-8%), and 9% (3-14%), respectively. Postpartum hemorrhage, preeclampsia/eclampsia, and cesarean section complicated 2% (1-4%), 4% (2-6%), and 43% (32-54%) of pregnancies, respectively. Neonatal death occurred in 0.2% of pregnancies. Stillbirth complicated 1% (95% CI, 0-3%) of pregnancies, whereas the incidence of preterm birth was 22% (95% CI, 18-25%).
CONCLUSIONS: Women with HCM considering pregnancy can be reassured that the risk of maternal, fetal, or neonatal death is low. However, they are at risk of several non-fatal cardiac and pregnancy-related complications.