Abstract
Peripartum cardiomyopathy (PPCM) is a rare but potentially life-threatening form of heart failure (HF). Bromocriptine, a dopamine D2 agonist, has been used as an adjunctive treatment for PPCM with controversial benefits. A comprehensive literature search was conducted through June 2021. We included studies comparing the outcomes of PPCM with or without bromocriptine use. Pooled risk ratio (RR) with 95% confidence intervals (CI) and I2 statistics were calculated. Composite major adverse outcomes were defined by a composite of death, need for advanced HF therapies, persistent New York Heart Association (NYHA) functional class III/V, or left ventricular ejection fraction (LVEF) ≤ 35% at 6-month follow-up. LVEF recovery was defined by improvement of LVEF to more than 50%. Eight studies (two randomized-controlled, six observational) involving 593 PPCM patients were included. Bromocriptine use was associated with significantly higher survival (91.6% vs. 83.9%, RR 1.11 p = 0.02). Baseline LVEF was not significantly different between the groups. LVEF at follow-up was significantly higher in the bromocriptine group (53.3% vs. 41.8%, p < 0.001). There was no significant association between bromocriptine use and lower composite major adverse outcomes (13.7% vs. 33.3%, RR 0.60 p = 0.54) or LVEF recovery (46.9% vs. 46.8%, RR 0.94 p = 0.74). In conclusion, the addition of bromocriptine to standard HF treatment in PPCM was associated with significantly higher survival and higher LVEF improvement. No association with lower composite adverse clinical outcomes or LVEF recovery was seen. The findings, although encouraging, warrant larger randomized-controlled studies.
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Abbreviations
- CI:
-
Confidence interval
- DCM:
-
Dilated cardiomyopathy
- ESC:
-
European Society of Cardiology
- HF:
-
Heart failure
- NYHA:
-
New York Heart Association
- LVEF:
-
Left ventricular ejection fraction
- PPCM:
-
Peripartum cardiomyopathy
- RCT:
-
Randomized-controlled trial
- RR:
-
Risk ratio
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All authors have approved this present manuscript for submission. AT: data acquisition and manuscript preparation VK: conception and design, data acquisition, and manuscript preparation SM: data acquisition and manuscript preparation MI: analysis and interpretation of the data. GRSC: analysis and interpretation of the data GAH: validation and manuscript editing. SC: supervision and manuscript editing.
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Trongtorsak, A., Kittipibul, V., Mahabir, S. et al. Effects of bromocriptine in peripartum cardiomyopathy: a systematic review and meta-analysis. Heart Fail Rev 27, 533–543 (2022). https://doi.org/10.1007/s10741-021-10185-8
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DOI: https://doi.org/10.1007/s10741-021-10185-8