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Pathophysiology of preeclampsia.

S A Friedman1, R N Taylor, J M Roberts

  • 1Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco.

Clinics in Perinatology
|December 1, 1991
PubMed
Summary

Preeclampsia involves complex factors like incomplete placental development and endothelial cell injury, leading to hypertension and other symptoms. Its exact immune, genetic, or biochemical origins require further investigation.

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Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine
  • Pathophysiology

Background:

  • Preeclampsia is a serious pregnancy complication characterized by hypertension.
  • It involves multiple pathological events beyond elevated blood pressure.

Purpose of the Study:

  • To outline the key pathological events in preeclampsia development.
  • To highlight the late manifestation of clinical signs and symptoms.

Main Methods:

  • Review of existing literature on preeclampsia pathophysiology.
  • Analysis of the sequence of events from placental development to clinical presentation.

Main Results:

  • Incomplete trophoblastic invasion and poor perfusion are critical early events.
  • Endothelial cell injury, coagulation activation, and altered permeability follow.
  • Clinical manifestations appear late in the disease course.

Conclusions:

  • Preeclampsia pathogenesis involves a cascade of vascular and endothelial dysfunctions.
  • The underlying immunological, genetic, and biochemical basis remains unclear and speculative.

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