A 30-year-old woman develops massive PPH after a prolonged labour. Uterotonic agents and uterine massage have failed. Bimanual compression is being performed while surgical options are being considered. Which of the following B-Lynch suture technique descriptions is CORRECT?
- A It is a horizontal mattress suture placed at the level of the lower uterine segment
- B It is a series of square sutures placed across the uterine fundus
- C It involves longitudinal compression sutures that brace the uterus in a compressed state ✓
- D It achieves hemostasis by ligating the uterine arteries bilaterally
Correct answer: C. It involves longitudinal compression sutures that brace the uterus in a compressed state
Explanation
The B-Lynch suture is a brace suture technique for uterine atony. It involves placing large absorbable sutures that loop over the uterine fundus and compress the uterus longitudinally like a brace. When properly applied to the open uterus (after lower segment cesarean incision), it keeps the uterus in a continuously compressed state, reducing bleeding from the myometrial sinuses. It does not ligate the uterine arteries, which distinguishes it from O'Leary sutures.
Reference: Williams Obstetrics, 26th ed.
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Written and medically reviewed by the StethoPrep medical team.