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Noninvasive blood pressure patterns.

E H Hon1

  • 1Department of Obstetrics and Gynecology, King-Drew Medical Center, Bradbury, CA.

Journal of Perinatology : Official Journal of the California Perinatal Association
|January 1, 1987
PubMed
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This study introduces a new noninvasive device for continuous cutaneous blood pressure monitoring. The apparatus detects blood pressure changes during uterine contractions, offering more complete data than current methods.

Area of Science:

  • Biomedical Engineering
  • Physiological Monitoring

Background:

  • Current methods for measuring blood pressure are often intermittent and occlusive.
  • Continuous, noninvasive monitoring of cutaneous blood pressure is needed for comprehensive physiological assessment.

Purpose of the Study:

  • To describe a novel apparatus for noninvasive, continuous measurement of cutaneous blood pressure.
  • To evaluate the apparatus's ability to detect blood pressure pattern changes during uterine contractions.

Main Methods:

  • Development of a noninvasive apparatus using miniature pressure transducers.
  • Mechanical coupling of transducers to cutaneous tissue on the thumb and wrist.
  • Continuous data acquisition over extended periods.

Main Results:

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  • The apparatus successfully measured cutaneous blood pressure changes.
  • Distinct blood pressure pattern changes were identified corresponding to uterine contractions.
  • Preliminary data suggest greater completeness compared to intermittent occlusive systems.

Conclusions:

  • The developed apparatus offers a promising noninvasive, continuous method for cutaneous blood pressure monitoring.
  • This technique can identify physiological responses, such as those during uterine contractions.
  • The instrumentation provides more comprehensive data than existing occlusive methods.