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Angiotensin converting enzyme activity in hypertensive pregnancy
M I Lee1, S F Bottoms, R J Sokol
1Wayne State University, Hutzel Hospital, Detroit, Michigan.
Journal of Perinatal Medicine
|January 1, 1987
Summary
Serum angiotensin converting enzyme (ACE) activity is elevated in pregnant individuals with pregnancy-induced hypertension (PIH). This finding suggests ACE activity may serve as a potential risk indicator for PIH development.
Area of Science:
- Cardiovascular physiology
- Reproductive medicine
- Biochemistry
Background:
- Angiotensin converting enzyme (ACE) activity is typically reduced in normal pregnancy.
- Limited data exists on ACE activity levels in pregnancies complicated by hypertension.
Purpose of the Study:
- To compare serum ACE activity in pregnant individuals with and without pregnancy-induced hypertension (PIH).
- To investigate potential correlations between ACE activity and hypertensive disorders of pregnancy.
Main Methods:
- Serum ACE activity and diastolic blood pressure were measured in the third trimester.
- Comparison groups included 14 uncomplicated pregnancies and 16 pregnancies with PIH.
- Exclusion criteria: history of pulmonary or metabolic disease.
Main Results:
- Serum ACE activity was significantly elevated in the PIH group compared to the normotensive pregnant group.
- This elevation was independent of maternal age and gestational duration.
- No significant differences in diastolic blood pressure were detailed in the abstract.
Conclusions:
- Elevated serum ACE activity is associated with pregnancy-induced hypertension.
- Further research is needed to determine if increased ACE activity is a precursor or consequence of PIH.
- ACE activity may hold potential as an early risk indicator for PIH.