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OBG · Hypertensive disorders: anaesthesia for caesarean
Sample itemA woman with severe pre-eclampsia needs a caesarean section. Platelet count is 150,000 per microlitre and coagulation is normal. Which technique is preferred?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Spinal or epidural anaesthesia
With normal platelets and coagulation, neuraxial anaesthesia is preferred as it avoids the airway difficulty from oedema and the severe pressor response to laryngoscopy, which can cause intracranial haemorrhage. General anaesthesia is used for coagulopathy, very low platelets or emergencies, with measures to blunt the pressor response.
Option by option
A. Ketamine induction general anaesthesia
Ketamine raises blood pressure and is avoided in severe pre-eclampsia.
B. General anaesthesia with rapid intubation and no pressor attenuation
Unmodified rapid intubation can cause a dangerous surge in blood pressure.
C. Spinal or epidural anaesthesia (correct)
Correct. Neuraxial block avoids laryngoscopy and its pressor surge.
D. Local infiltration alone
Local infiltration alone gives inadequate anaesthesia for caesarean section.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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