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Related Experiment Videos

[Recording expulsive forces during childbirth using intercostal muscle electromyogram: a pilot study].

F Demaria1, R Porcher, S Sheik-Ismael

  • 1Service de gynécologie-obstétrique, hôpital Rothschild, AP-HP, 33, boulevard de Picpus, 75012 Paris, France. fabien.demaria@rth.ap-hop-paris.fr

Gynecologie, Obstetrique & Fertilite
|May 10, 2005
PubMed
Summary

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Measuring expulsive forces during childbirth is crucial for understanding perineal disorders. Intercostal muscle electromyography (EMG) offers a non-invasive method to accurately quantify these forces, reflecting intra-abdominal pressure.

Area of Science:

  • Obstetrics and Gynecology
  • Biomedical Engineering
  • Pelvic Floor Disorders

Context:

  • Childbirth involves significant expulsive forces that may contribute to perineal disorders.
  • Accurate measurement of these forces is essential for risk assessment and management.
  • Current methods may be invasive or not fully representative of expulsive efforts.

Purpose:

  • To develop and validate a non-invasive method for measuring expulsive forces during vaginal delivery.
  • To correlate abdominal pushing efforts with objective physiological measurements.

Summary:

  • This study quantified expulsive forces in 21 women during vaginal delivery using intravesical/intrauterine manometry and intercostal muscle electromyography (EMG).
  • A significant association was found between intravesical pressure and intercostal muscle electrical activity during fetal expulsion (P<0.001).

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Impact:

  • Intercostal muscle EMG provides a reliable, non-invasive alternative to intravesical pressure measurements for quantifying expulsive forces.
  • This method can improve the understanding and assessment of biomechanical factors in childbirth-related perineal trauma.