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Pregnancy in the chronically hypertensive patient
1Department of Obstetrics and Gynecology, Northwestern University Medical School, Chicago, Illinois, USA.
Clinics in Perinatology
|June 1, 1997
Summary
Mild chronic hypertension typically results in successful pregnancies, with preeclampsia being the main complication. Antihypertensive treatment shows minimal impact on outcomes for mild cases but is crucial for severe hypertension.
Area of Science:
- Obstetrics and Gynecology
- Cardiology
- Perinatology
Background:
- Chronic hypertension affects a significant number of pregnancies.
- Superimposed preeclampsia is a major cause of perinatal morbidity in these cases.
- Risk stratification is essential for managing hypertensive disorders during pregnancy.
Purpose of the Study:
- To evaluate the impact of antihypertensive therapy on pregnancy outcomes in mild chronic hypertension.
- To assess the relationship between antihypertensive therapy and superimposed preeclampsia.
- To delineate risks associated with severe chronic hypertension and target organ disease.
Main Methods:
- Review of pregnancy outcomes in patients with varying degrees of chronic hypertension.
- Analysis of perinatal morbidity and mortality data.
- Correlation of antihypertensive treatment strategies with outcomes.
Main Results:
- Most patients with mild chronic hypertension experience successful pregnancy outcomes.
- Antihypertensive therapy did not significantly alter outcomes or the incidence of superimposed preeclampsia in mild cases.
- Severe chronic hypertension and target organ disease present considerably higher maternal and fetal risks.
Conclusions:
- Pregnancy outcomes are generally favorable in mild chronic hypertension.
- Antihypertensive therapy is recommended for severe chronic hypertension (diastolic pressure ≥ 100 mm Hg).
- Pre-pregnancy counseling is vital for patients with severe hypertension or target organ disease.