Management of Postpartum Cardiomyopathy

Immediate Stabilization and Monitoring

The European Society of Cardiology recommends immediate multidisciplinary intensive care with aggressive heart failure management, mechanical circulatory support readiness, cerebral edema control through ventilator optimization, and anticoagulation once bleeding risk permits in postpartum patients with cardiomyopathy and pericardial effusion 1, 2
Elevate the head of bed to 30 degrees to reduce cerebral edema and improve venous return from the brain in patients with cerebral edema 3
Target ventilation at 10-12 breaths/minute, titrating to PETCO2 of 35-40 mmHg (PaCO2 40-45 mmHg) to avoid hyperventilation-induced cerebral vasoconstriction in patients with cerebral edema 3
Treat hypotension (SBP <90 mmHg) with IV fluid bolus of 1-2L normal saline or lactated Ringer's, but use cautiously to avoid pulmonary edema in postpartum patients with cardiomyopathy 1, 3

The American Heart Association recommends initiating ACE inhibitors immediately as patient is postpartum, with captopril, enalapril, or benazepril as preferred options due to low breast milk levels 1, 2, 6
Start beta-blocker therapy (metoprolol preferred as beta-1 selective) if hemodynamically tolerated in postpartum patients with cardiomyopathy 1, 2
Administer diuretics (furosemide) for pulmonary congestion and pericardial effusion in postpartum patients with cardiomyopathy 1, 2

Once postpartum bleeding has stopped (typically 24-48 hours post-delivery), initiate therapeutic anticoagulation with LMWH or warfarin given the high risk of thromboembolism with severe LV dysfunction and cerebral edema in postpartum patients with cardiomyopathy 1, 2
Anticoagulation is particularly critical in PPCM patients with LVEF <30% due to increased risk of peripheral embolism, cerebral embolism, and ventricular thrombi 1, 2

Consider bromocriptine 2.5 mg twice daily for 2-8 weeks to inhibit prolactin release, which may enhance cardiac recovery in severe PPCM with LVEF <35% 7
Transfer to a facility with intra-aortic balloon pump, ventricular assist devices, and cardiac transplant capability if patient remains dependent on inotropes despite optimal medical therapy in postpartum patients with cardiomyopathy 1, 2

Perform urgent echocardiography to assess for tamponade physiology in postpartum patients with pericardial effusion 6
Pericardiocentesis is indicated if hemodynamic compromise from tamponade is present in postpartum patients with pericardial effusion 6

Monitor for seizures and status myoclonus, which predict poor neurological outcome if present in first 72 hours in postpartum patients with cerebral edema 9
Prognostication of neurological outcome should wait until at least 72 hours after return to normothermia if therapeutic hypothermia was used in postpartum patients with cerebral edema 9

PPCM has a significantly different prognosis from dilated cardiomyopathy, with approximately 50% of patients showing substantial improvement or normalization of LV function within 6 months 1, 2
ICD placement should be deferred until at least 6 months to allow for potential spontaneous recovery in postpartum patients with cardiomyopathy 1, 2