Related Experiment Videos
Maternal diastolic dysfunction and left ventricular geometry in gestational hypertension.
H Valensise1, G P Novelli, B Vasapollo
1Department of Obstetrics and Gynecology and the School of Cardiology, Semeiology, Tor Vergata University, Rome, Italy. valensise@med.uniroma2.it
Hypertension (Dallas, Tex. : 1979)
|May 23, 2001
Summary
Gestational hypertension significantly alters cardiac function, causing concentric hypertrophy and impaired diastolic parameters. These changes are linked to increased vascular resistance and atrial dysfunction, impacting maternal hemodynamics.
Area of Science:
- Cardiology
- Obstetrics
- Maternal-Fetal Medicine
Background:
- Gestational hypertension (GH) is a common pregnancy complication.
- Understanding its cardiovascular impact is crucial for maternal health.
- Left ventricular (LV) geometry and diastolic function changes in GH require further elucidation.
Purpose of the Study:
- To evaluate diastolic parameters and LV geometry in pregnant women with GH.
- To assess the relationship between cardiac function, hemodynamics, and GH.
Main Methods:
- Echocardiography and uterine color Doppler were performed on 21 women with GH and 21 controls.
- Key parameters assessed included LV geometry, diastolic function, cardiac output, and total vascular resistance (TVR).
Main Results:
- Hypertensive women exhibited higher blood pressure, TVR, and uterine resistance index.
- Lower left atrial function and cardiac output were observed in GH.
- Altered LV geometry (concentric hypertrophy) was present in 100% of GH patients, associated with impaired diastolic function and atrial dysfunction.
Conclusions:
- Gestational hypertension is characterized by concentric hypertrophy, depressed systolic function, high TVR, and diastolic/atrial dysfunction.
- Specific parameters like deceleration time of the E wave, IVRT, and left atrial fractional area change may aid in evaluating cardiac function in GH.