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J Am Coll Cardiol. 1999 May;33(6):1692-5.

Pregnancy among women with congenitally corrected transposition of great arteries.

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  • 1Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA.

Abstract

OBJECTIVES:

The outcome of pregnancy in congenitally corrected transposition of the great vessels was studied in 22 women.

BACKGROUND:

Women with congenitally corrected transposition of the great vessels often reach childbearing age. Although reports on the outcome of pregnancy in these women are available, the number of patients is small.

METHODS:

The medical and surgical databases at the Mayo Clinic were reviewed, and 36 women >16 years old with congenitally corrected transposition of the great vessels were identified. All of them were contacted, and 22 who had pregnancies were identified and the outcome of pregnancy was evaluated.

RESULTS:

Twenty-two women had 60 pregnancies resulting in 50 live births (83%). Forty-four deliveries (88%) were vaginal and 6 (12%) were by cesarean section. One delivery was premature at 29 weeks. There was one successful twin pregnancy. There were 11 unsuccessful pregnancies. One patient developed congestive heart failure late in pregnancy because of systemic atrioventricular valve regurgitation and required valve replacement in the early postpartum period. One patient had a total of 12 pregnancies, including 1 twin pregnancy and 2 unsuccessful pregnancies. She had multiple pregnancy-related complications, including toxemia, congestive heart failure, endocarditis and myocardial infarction (single coronary artery). No other serious pregnancy-related maternal complications and no pregnancy-related deaths occurred. The mean birth weight of the infants (n = 32) was 3.2 +/- 0.4 kg. None of the 50 live offspring have been diagnosed with congenital heart disease.

CONCLUSIONS:

Successful pregnancy can be achieved in most women with congenitally corrected transposition of the great arteries. The rate of fetal loss and maternal cardiovascular morbidity is increased. Because of the small number of births, the risk of congenital heart disease in offspring of women with congenitally corrected transposition of the great arteries is uncertain.

PMID:
10334444
[PubMed - indexed for MEDLINE]
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