Karanvir Singh1, Pooja Sikka1, Vanita Suri1, Rishikesh Prasad2, Madhu Khullar2, Rajesh Vijayvergiya3. 1. Department of Obstetrics and Gynaecology, Postgraduate Institute of Medical Education and Research, Chandigarh, India. 2. Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India. 3. Department of Cardiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Abstract
BACKGROUND: Plasma brain natriuretic peptide levels were prospectively studied in pregnant women with heart disease. METHODS: Fifty pregnant women with heart disease and 25 controls were evaluated at 24 weeks or under, 30-32 weeks, 34 weeks or more of gestation, and 6 weeks postpartum. Adverse maternal cardiac events were hospitalization for worsening heart failure, stroke, and death. RESULTS: Thirty-eight (76%) women had rheumatic heart disease. Plasma brain natriuretic peptide levels were (in cases and controls) 118.3 ± 46.5 pg/ml and 66.3 ± 15.9 pg/ml (at 24 weeks or under), 124.8 ± 30.4 pg/ml and 68.4 ± 16.5 pg/ml (30-32 weeks), 135.8 ± 34.9 pg/ml and 68.6 ± 15.6 pg/ml (34 weeks or more), and 110.1 ± 21.9 pg/ml and 65.0 ± 16.1 pg/ml (6 weeks postpartum) (p = .0001). Eighteen women had adverse events. Of these, only 1 had a level less than 100 pg/ml, 12 were between 100 and 200 pg/ml, and 5 more than 200 pg/ml. CONCLUSIONS: Plasma brain natriuretic peptide levels were higher in women with heart disease at all periods of gestation as well as six weeks postpartum. No woman with a plasma brain natriuretic peptide levels of 98 pg/ml or less had an adverse event.
BACKGROUND: Plasma brain natriuretic peptide levels were prospectively studied in pregnant women with heart disease. METHODS: Fifty pregnant women with heart disease and 25 controls were evaluated at 24 weeks or under, 30-32 weeks, 34 weeks or more of gestation, and 6 weeks postpartum. Adverse maternal cardiac events were hospitalization for worsening heart failure, stroke, and death. RESULTS: Thirty-eight (76%) women had rheumatic heart disease. Plasma brain natriuretic peptide levels were (in cases and controls) 118.3 ± 46.5 pg/ml and 66.3 ± 15.9 pg/ml (at 24 weeks or under), 124.8 ± 30.4 pg/ml and 68.4 ± 16.5 pg/ml (30-32 weeks), 135.8 ± 34.9 pg/ml and 68.6 ± 15.6 pg/ml (34 weeks or more), and 110.1 ± 21.9 pg/ml and 65.0 ± 16.1 pg/ml (6 weeks postpartum) (p = .0001). Eighteen women had adverse events. Of these, only 1 had a level less than 100 pg/ml, 12 were between 100 and 200 pg/ml, and 5 more than 200 pg/ml. CONCLUSIONS: Plasma brain natriuretic peptide levels were higher in women with heart disease at all periods of gestation as well as six weeks postpartum. No woman with a plasma brain natriuretic peptide levels of 98 pg/ml or less had an adverse event.
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