Surgical management of PPH

Surgical management of PPH

Surgical management of PPH

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Indications & Escalation - When to Cut

  • Trigger: Failure of medical/conservative management or persistent hemodynamic instability despite resuscitation.
  • Key Indications:
    • Refractory uterine atony.
    • Suspected uterine rupture.
    • Placenta accreta spectrum.
    • Significant genital tract trauma requiring surgical repair.

B-Lynch Suture Placement for Postpartum Hemorrhage

⭐ The B-Lynch suture is a uterine compression technique that can avert hysterectomy in cases of atony, thus preserving fertility. It is contraindicated in uterine rupture.

Uterine Preservation - Suture & Squeeze

  • Uterine Compression Sutures: A key surgical step when uterotonics and intrauterine tamponade (e.g., Bakri balloon) fail to control atonic PPH. The primary goal is mechanical compression of the myometrium to stop bleeding and preserve the uterus.

  • B-Lynch Suture: The most common technique.

    • A single "brace-like" suture is passed from the anterior to the posterior uterine wall, compressing the fundus.
    • Requires a lower segment hysterotomy for placement.
  • Modifications & Alternatives:

    • Hayman Suture: Does not require hysterotomy; involves vertical sutures from anterior to posterior wall.
    • Pereira Sutures: Uses a series of transverse and longitudinal sutures.

High-Yield: While successful in over 90% of cases, potential complications of compression sutures include uterine ischemia/necrosis, erosion of sutures into the uterine cavity, and Asherman syndrome (intrauterine adhesions).

Vascular Ligation & Hysterectomy - The Final Stops

  • Stepwise Devascularization: When conservative measures fail, surgical control is essential. The goal is to sequentially reduce arterial pulse pressure to the uterus.
  • Uterine Compression Sutures:
    • The B-Lynch suture is a key technique to mechanically compress an atonic uterus, often tried before ligation.
  • Vascular Ligation Sequence:
    • Uterine Artery Ligation: Bilateral ligation is the primary step.
    • Ovarian Artery Ligation: Performed if bleeding persists after uterine artery ligation.
  • Hysterectomy:
    • The definitive, last-resort treatment for intractable PPH.
    • Ensures 100% cessation of uterine bleeding but results in permanent sterility.

⭐ The B-Lynch suture is a vital, fertility-sparing surgical technique that physically compresses the uterus, acting like an "internal bimanual massage" to control atonic PPH.

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Interventional Radiology - The Embo Option

A minimally invasive option for persistent PPH in hemodynamically stable patients, preserving the uterus.

  • Primary Indication: Ongoing bleeding unresponsive to medical therapy & conservative surgical methods in a stable patient who desires future fertility.
  • Technique:
    • Femoral artery access → selective catheterization of internal iliac arteries.
    • Angiography identifies bleeding source (often uterine artery).
    • Embolization with absorbable gelatin sponge (Gelfoam), particles, or coils.
  • Success Rate: >90% in controlling hemorrhage.

High-Yield: Post-embolization syndrome (fever, pain, leukocytosis) is a common, self-limiting complication that mimics infection but is managed conservatively with analgesics.

High‑Yield Points - ⚡ Biggest Takeaways

  • Surgical management is indicated for PPH unresponsive to medical therapy.
  • Uterine compression sutures (e.g., B-Lynch) are a primary uterus-preserving method.
  • Stepwise devascularization follows a sequence: uterine, then utero-ovarian, then internal iliac artery ligation.
  • Uterine artery embolization is a minimally invasive option in stable patients.
  • Hysterectomy is the definitive last-resort treatment, especially for placenta accreta.
  • Intrauterine balloon tamponade (e.g., Bakri) is a less invasive surgical step.

Practice Questions: Surgical management of PPH

Test your understanding with these related questions

A 29-year-old G2P2 female gives birth to a healthy baby boy at 39 weeks of gestation via vaginal delivery. Immediately after the delivery of the placenta, she experiences profuse vaginal hemorrhage. Her prior birthing history is notable for an emergency cesarean section during her first pregnancy. She did not receive any prenatal care during either pregnancy. Her past medical history is notable for obesity and diabetes mellitus, which is well controlled on metformin. Her temperature is 99.0°F (37.2°C), blood pressure is 95/50 mmHg, pulse is 125/min, and respirations are 22/min. On physical examination, the patient is in moderate distress. Her extremities are pale, cool, and clammy. Capillary refill is delayed. Which of the following is the most likely cause of this patient’s bleeding?

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Flashcards: Surgical management of PPH

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Pregnancy-related infarction of the pituitary gland (Sheehan syndrome) often occurs following _____

TAP TO REVEAL ANSWER

Pregnancy-related infarction of the pituitary gland (Sheehan syndrome) often occurs following _____

postpartum bleeding

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