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[Placenta in gestational hypertension].

H Müntefering1, M Wysocki, E Rastorguev

  • 1Abteilung für Kinderpathologie, Klinikum der Johannes Gutenberg-Universität Mainz. muentefering@kinderpatho.klinik.uni-mainz.de

Der Pathologe
|April 3, 2004
PubMed
Summary
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Pregnancy-induced hypertension (PIH) affects 3.2-4% of pregnancies globally. Placental examination reveals non-specific findings, but vascular changes correlate with Doppler sonography results.

Area of Science:

  • Obstetrics and Gynecology
  • Pathology
  • Perinatology

Context:

  • Pregnancy-induced hypertension (PIH) is a common complication, affecting 3.2-4% of pregnancies worldwide.
  • PIH poses risks to both mother and child, necessitating thorough placental examination.
  • Pathological-anatomical examination of the placenta is crucial in all PIH cases.

Purpose:

  • To review pathomorphological findings in the placenta associated with pregnancy-induced hypertension.
  • To assess the diagnostic value and correlation of placental findings with disease severity.
  • To highlight specific placental pathologies and their relationship with Doppler sonography.

Summary:

  • Pathomorphological findings in the feto-maternal border zone include defective extravillous cytotrophoblast invasion, arterio-/arteriolopathy, and fibrinoid necrosis.

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  • Disorders in the fetal placenta involve infarctions, obliterative angiopathy, fibrosis, and syncytial knots.
  • While many placental findings lack specificity, vascular changes in the placental bed and villi correlate strongly with Doppler sonography.
  • There is a general lack of correlation between the severity of PIH and overall placental morphology.

    • Impact:

    • Understanding placental pathology in PIH can aid in risk assessment and patient management.
    • Correlation of placental vascular findings with Doppler sonography may improve diagnostic accuracy.
    • This review emphasizes the importance of placental examination in understanding PIH pathophysiology.