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Am J Obstet Gynecol. 2008 Mar;198(3):291.e1-5. doi: 10.1016/j.ajog.2007.09.009. Epub 2008 Jan 14.

Increasing exposure to angiotensin-converting enzyme inhibitors in pregnancy.

Author information

1
Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN, USA.

Abstract

OBJECTIVE:

The objective of the study was to identify angiotensin-converting enzyme (ACE) inhibitor prescription-filling trends in pregnant women.

STUDY DESIGN:

This was a retrospective cohort study in women continuously enrolled in Tennessee Medicaid during pregnancy who delivered a live infant or had a fetal death between 1986-2003 (n = 262,179).

RESULTS:

ACE inhibitor exposures increased more than 4-fold: from 11.2 per 10,000 pregnancies in 1986-1988 to 58.9 per 10,000 pregnancies by 2003 (adjusted risk ratio [RR], 4.49; 95% confidence interval [CI], 2.78-7.25). Exposures in the second and third trimesters nearly tripled (RR, 2.88; 95% CI, 1.45-5.75) and did not decrease following a US Food and Drug Administration black box warning against such use in 1992. Exposures were most common among women 35 years of age or older.

CONCLUSION:

Despite evidence of fetal complications associated with ACE inhibitor use during pregnancy, the number of pregnant women with pregnancy-related ACE inhibitor exposures increased steadily between 1986-2003. Better methods are needed to reduce fetal exposure to potentially teratogenic prescribed medications.

PMID:
18191803
DOI:
10.1016/j.ajog.2007.09.009
[Indexed for MEDLINE]

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