A Study of Cardiovascular Hemodynamics in Preeclamptic and Normotensive Pregnancies and its Association with Maternal

Sneha Agarwal1, Seema Mehrotra1, Vandana Solanki1

  • 1Department of Obstetrics and Gynaecology, King George's Medical University, Lucknow, India.

Insights

Preeclampsia significantly alters maternal cardiac function, increasing left ventricular volumes and mass while reducing ejection fraction. These echocardiographic changes are linked to severe maternal complications and adverse outcomes.

Area of Science:

  • Cardiology
  • Obstetrics
  • Maternal Health

Background:

  • Preeclampsia (PE) causes significant maternal cardiac remodeling, including increased afterload, end-systolic pressure, and reduced left ventricular emptying.
  • Both systolic and diastolic cardiac dysfunction occur in preeclampsia, with diastolic dysfunction often preceding systolic dysfunction.

Purpose of the Study:

  • To assess cardiovascular hemodynamic functions in normotensive and preeclamptic women.
  • To investigate the association between echocardiographic findings and maternal outcomes in preeclampsia.

Main Methods:

  • A prospective cohort study involving 158 women (79 with PE, 79 normotensive controls).
  • Echocardiography was performed on all participants to evaluate cardiac geometry and function.
  • Data collected over one year at a tertiary healthcare center.

Main Results:

  • Preeclamptic women showed higher left ventricular end-systolic volume, end-diastolic volume, systolic mass, diastolic diameter, systolic diameter, E wave, and A wave compared to normotensive controls.
  • Ejection fraction and E/A ratio were significantly lower in preeclamptic women.
  • Abnormal echocardiographic findings correlated with adverse maternal outcomes like pulmonary edema, cardiomyopathy, abruptio placentae, eclampsia, acute kidney injury, and HELLP syndrome.

Conclusions:

  • Preeclampsia is associated with significant alterations in maternal cardiac geometry and function, including impaired systolic and diastolic performance.
  • Echocardiographic abnormalities in preeclampsia are linked to a higher incidence of severe maternal morbidity and mortality.
  • Cardiovascular assessment via echocardiography is crucial for identifying high-risk pregnancies and predicting adverse outcomes in preeclampsia.
Abstract

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