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Related Experiment Videos

Peripheral pulse pressure patterns in pregnancy hypertension.

E H Hon1, T Fukushima, E C Davidson

  • 1Department of Obstetrics and Gynecology, King/Drew Medical Center, Los Angeles, California.

Obstetrics and Gynecology
|July 1, 1991
PubMed
Summary

Maternal pulse pressure patterns can predict adverse pregnancy outcomes. Narrow pulse pressure in hypertensive mothers is linked to lower birth weight and earlier delivery, indicating potential fetal risk.

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Area of Science:

  • Obstetrics and Gynecology
  • Cardiovascular Physiology
  • Perinatal Medicine

Background:

  • Hypertensive disorders in pregnancy are a leading cause of maternal and fetal morbidity.
  • Assessing maternal cardiovascular status is crucial for identifying pregnancies at risk.
  • Noninvasive methods for evaluating maternal hemodynamics can provide valuable clinical insights.

Purpose of the Study:

  • To investigate the relationship between maternal heart rate and pulse pressure patterns and perinatal outcomes in hypertensive pregnancies.
  • To determine if specific pulse pressure patterns can predict adverse fetal outcomes such as low birth weight and preterm delivery.

Main Methods:

  • Utilized noninvasive methodology to analyze maternal heart rate and pulse pressure patterns in 30 hypertensive pregnant women.

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  • Categorized pulse pressure patterns into "narrow" and "wide" based on observed characteristics.
  • Correlated identified pulse pressure patterns with infant birth weight and gestational age at delivery.

    • Main Results:

    • Narrow cutaneous pulse pressure patterns, indicative of vasoconstriction, were significantly associated with lower infant birth weight (1870 vs. 3225 g; P < .001).
    • These narrow pulse pressure patterns were also linked to earlier deliveries (34.2 vs. 37.9 weeks; P < .05).
    • The findings suggest a correlation between peripheral microcirculation vasospasm and adverse perinatal outcomes.

    Conclusions:

    • Maternal cardiovascular evaluation, specifically pulse pressure pattern analysis, may serve as an effective adjunctive tool for risk identification in pregnancy.
    • Detecting vasospasm through peripheral microcirculation assessment can help identify patients at risk of adverse perinatal outcomes.
    • These noninvasive techniques offer potential for improved management of hypertensive pregnancies.