Episiostomies

on 21.7.05 with 0 comments



Episiotomy

Incision

Advantage

Disadvantage

Midline

Incision into posterior vaginal wall through fossa navicularis to divide perineal body
    Do not cut fibers of the external anal sphincter

    Bloodless, painless
    Limited expansion of birth canal

    Possibility of tearing anal sphincter

Mediolateral

Incision into posterior vaginal wall continued posterolaterally into ischioanal fossa
  1. Greater expansion of birth canal
  2. avoids tearing ext. anal sphincter
  1. Muscles cut: bulbospongiosus, superficial transverse perineal, urogenital diaphragm
  2. Nerves cut: transverseperineal branch of internal pudendal nerve
  3. Artery cut: transverse perineal branch of internal pudendal artery
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Category: Obstetrics Notes

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