Management of Postpartum Cerebral Edema

Immediate Management Priorities

The American College of Cardiology recommends continuing magnesium sulfate for at least 24 hours postpartum, even with normal blood pressure, as eclampsia can occur postpartum and cerebral edema indicates severe disease 1.
The standard postpartum regimen is 1-2 g/hour by continuous IV infusion after initial loading, as recommended by the American Heart Association 1.
Do not administer magnesium sulfate concomitantly with calcium channel blockers due to risk of severe hypotension from synergistic effects, as warned by the European Society of Cardiology 2, 3.

Strict fluid restriction to 60-80 mL/hour total intake is recommended to prevent worsening cerebral edema and pulmonary edema, as suggested by the American College of Obstetricians and Gynecologists 1, 4.
Avoid hypoosmolar fluids such as 5% dextrose in water, which can worsen cerebral edema, as advised by the American Heart Association 5.

Monitor neurological status continuously for signs of worsening cerebral edema, such as altered consciousness, severe headache, visual disturbances, seizures, as recommended by the European Stroke Organization 2, 1.
Check blood pressure at least every 4-6 hours during the day for minimum 3 days postpartum, as suggested by the American College of Cardiology 1, 4.

Do not aggressively lower blood pressure when it is already normal, as elevated blood pressure may be a compensatory response to maintain cerebral perfusion pressure in the setting of elevated intracranial pressure, as advised by the American Heart Association 5.
If BP rises to ≥160/110 mmHg lasting >15 minutes, initiate immediate antihypertensive therapy, as recommended by the European Society of Cardiology 2, 3.

Consider hyperosmolar therapy if signs of increased intracranial pressure develop, such as deteriorating consciousness, pupillary changes, posturing, or clinical herniation, as suggested by the American Heart Association 5.
Mannitol 0.25-2 g/kg IV as 15-25% solution over 30-60 minutes can reduce intracranial pressure, as recommended by the European Stroke Organization 5.

Avoid NSAIDs for postpartum analgesia in preeclamptic women with cerebral edema, especially if any renal impairment exists, as advised by the American College of Obstetricians and Gynecologists 1, 4.
Avoid ergot derivatives for postpartum hemorrhage management as they can cause iatrogenic hypertension, as warned by the European Society of Cardiology 2, 3.

Repeat complete blood count, platelets, creatinine, and liver transaminases daily until stable if abnormal before delivery, as recommended by the American College of Obstetricians and Gynecologists 1, 4.
Monitor for HELLP syndrome components: hemolysis, elevated liver enzymes, low platelets, as suggested by the European Society of Cardiology 7, 8, 9.

Most women can be discharged by day 5 postpartum if stable, especially with home BP monitoring capability, as recommended by the American College of Cardiology 1, 4.
Review within 1 week if still requiring antihypertensives at discharge, as suggested by the American College of Obstetricians and Gynecologists 4.
All women should be reviewed at 3 months postpartum to ensure BP, urinalysis, and laboratory tests have normalized, as recommended by the American Heart Association 1, 4.