Peripartum Cardiomyopathy

40 y/o G5P4004 at 40 WGA with h/o HTN presents with acute on chronic dyspnea, fatigue. Current pregnancy complicated by pre-eclampsia. Tachycardia, edema on exam.

  • Obtain CBC, CMP, urine protein/creatinine, LDH, uric acid

  • EKG shows sinus tachycardia

  • Echo shows LV dilation/systolic dysfunction and pulmonary hypertension

  • Treatment

    • Avoid ACE/ARB, atenolol

    • Consider HCTZ 25mg qd, metoprolol 12.5mg

    • Hydralazine 10mg for hypertensive emergency in pregnancy; see preeclampsia with severe features

    • Titrate diuretics to avoid hypotension, reduced uterine perfusion.

    • Pt advised that most women recover LV function after pregnancy but that future pregnancies may not be advisable

Notes

  • May develop during 2nd trimester and up to 4 months postpartum

  • Prevalence ~1:2,500 live births