Abruptio Placentae: The Daily PANCE Blueprint

Abruptio Placentae: The Daily PANCE Blueprint

A 31-year-old woman, gravida 2 para 1, at 36 weeks of gestation presents after the sudden onset of severe, constant abdominal pain and dark vaginal bleeding. She has chronic hypertension. Her blood pressure is 152/96 mm Hg, and her pulse is 104/min. The uterus is firm, tender, and contracting frequently. Ultrasound on arrival shows a fundal placenta. Fetal heart rate monitoring shows recurrent late decelerations with minimal variability. Which of the following is the most appropriate next step in management?

A. Tocolysis with terbutaline
B. Betamethasone and expectant management
C. Magnesium sulfate infusion and observation
D. Emergency cesarean delivery
E. Transvaginal ultrasound to measure cervical length

Answer and topic summary

The answer is D. Emergency cesarean delivery

Painful dark bleeding with a firm, tender, hypertonic uterus is placental abruption, premature separation of a normally implanted placenta. Hypertension is the most common risk factor; cocaine, smoking, trauma, and a prior abruption are others. The diagnosis is clinical, because ultrasound misses most abruptions. Recurrent late decelerations mean the fetus is not tolerating the loss of placental surface, so at 36 weeks the answer is emergency cesarean delivery, while stabilizing the patient at the same time: two large-bore IVs, type and crossmatch, and a CBC with fibrinogen, because abruption is a leading cause of DIC. Tocolysis is contraindicated, and steroids or observation never delay delivery when the fetal tracing is nonreassuring. Placenta previa, by contrast, causes painless bright red bleeding.

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Covered under ⇒ PANCE Blueprint Reproductive System ⇒ Pregnancy ⇒ Abruptio placentae

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