Stefan Orwat1, Gerhard-Paul Diller1, Iris M van Hagen2, Renate Schmidt1, Daniel Tobler3, Matthias Greutmann4, Regina Jonkaitiene5, Amro Elnagar6, Mark R Johnson7, Roger Hall8, Jolien W Roos-Hesselink9, Helmut Baumgartner10. 1. Division of Adult Congenital and Valvular Heart Disease, Department of Cardiovascular Medicine, University Hospital Muenster, Muenster, Germany. 2. Department of Cardiology, Erasmus University Medical Center, Rotterdam, the Netherlands. 3. Adult Congenital Heart Disease Clinic, University Hospital, Basel, Switzerland. 4. Adult Congenital Heart Disease Program, University Heart Center, Zurich, Switzerland. 5. Department of Cardiology, Hospital of Lithuanian University of Health Sciences, Kaunas, Lithuania. 6. Department of Cardiology, Benha University Hospital, Benha, Egypt. 7. Department of Obstetrics, Imperial College School of Medicine, Chelsea and Westminster Hospital, London, United Kingdom. 8. Department of Cardiology, Norwich Medical School, University of East Anglia, United Kingdom. 9. Department of Cardiology, Erasmus University Medical Center, Rotterdam, the Netherlands; EURObservational Research Programme, European Society of Cardiology. 10. Division of Adult Congenital and Valvular Heart Disease, Department of Cardiovascular Medicine, University Hospital Muenster, Muenster, Germany. Electronic address: helmut.baumgartner@ukmuenster.de.
Abstract
BACKGROUND: Controversial results on maternal risk and fetal outcome have been reported in women with aortic stenosis (AS). OBJECTIVES: The authors sought to investigate maternal and fetal outcomes in patients with AS in a large cohort. METHODS: The Registry on Pregnancy and Cardiac Disease (ROPAC) is a global, prospective observational registry of women with structural heart disease, providing a uniquely large study population. Data of women with moderate (peak gradient 36 to 63 mm Hg) and severe AS (peak gradient ≥64 mm Hg) were analyzed. RESULTS: Of 2,966 pregnancies in ROPAC, the authors identified 96 women who had at least moderate AS (34 with severe AS). No deaths were observed during pregnancy and in the first week after delivery. However, 20.8% of women were hospitalized for cardiac reasons during pregnancy. This was significantly more common in severe AS compared with moderate AS (35.3% vs. 12.9%; p = 0.02), and reached the highest rate (42.1%) in severe, symptomatic AS. Pregnancy was complicated by heart failure in 6.7% of asymptomatic and 26.3% of symptomatic patients, but could be managed medically, except for 1 patient who was symptomatic before pregnancy and underwent balloon valvotomy. Children of patients with severe AS had a significantly higher percentage of low birth weight (35.0% vs. 6.0%; p = 0.006). CONCLUSIONS: Mortality in pregnant women with AS, including those with severe AS, appears to be close to zero in the current era. Symptomatic and severe AS does, however, carry a substantial risk of heart failure and is associated with high rates of hospitalization for cardiac reasons, although heart failure can nearly always be managed medically. The results highlight the importance of appropriate pre-conceptional patient evaluation and counseling.
BACKGROUND: Controversial results on maternal risk and fetal outcome have been reported in women with aortic stenosis (AS). OBJECTIVES: The authors sought to investigate maternal and fetal outcomes in patients with AS in a large cohort. METHODS: The Registry on Pregnancy and Cardiac Disease (ROPAC) is a global, prospective observational registry of women with structural heart disease, providing a uniquely large study population. Data of women with moderate (peak gradient 36 to 63 mm Hg) and severe AS (peak gradient ≥64 mm Hg) were analyzed. RESULTS: Of 2,966 pregnancies in ROPAC, the authors identified 96 women who had at least moderate AS (34 with severe AS). No deaths were observed during pregnancy and in the first week after delivery. However, 20.8% of women were hospitalized for cardiac reasons during pregnancy. This was significantly more common in severe AS compared with moderate AS (35.3% vs. 12.9%; p = 0.02), and reached the highest rate (42.1%) in severe, symptomatic AS. Pregnancy was complicated by heart failure in 6.7% of asymptomatic and 26.3% of symptomatic patients, but could be managed medically, except for 1 patient who was symptomatic before pregnancy and underwent balloon valvotomy. Children of patients with severe AS had a significantly higher percentage of low birth weight (35.0% vs. 6.0%; p = 0.006). CONCLUSIONS: Mortality in pregnant women with AS, including those with severe AS, appears to be close to zero in the current era. Symptomatic and severe AS does, however, carry a substantial risk of heart failure and is associated with high rates of hospitalization for cardiac reasons, although heart failure can nearly always be managed medically. The results highlight the importance of appropriate pre-conceptional patient evaluation and counseling.
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