Clinical features differentiating Takotsubo cardiomyopathy in the peripartum period from peripartum cardiomyopathy
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There are some similarities in clinical features between Takotsubo cardiomyopathy during the peripartum period (PTCM) and peripartum cardiomyopathy (PPCM). Both conditions present as acute heart failure and decreased left ventricular (LV) ejection fraction in the peripartum period in previously heart-healthy women. The present study aimed to evaluate the differences in clinical features and outcomes between PTCM and PPCM. Between January 2004 and December 2016, 37 consecutive patients who demonstrated LV dysfunction during the peripartum period without previous heart disease were recruited retrospectively. The clinical, laboratory, and echocardiographic data of these patients were comprehensively reviewed. Twenty-one (57%) and 16 (43%) patients were classified into PPCM and PTCM groups, respectively, based on echocardiographic findings. The initial LV ejection fraction did not differ significantly between the 2 groups. However, all patients with PTCM showed complete recovery of LV ejection fraction at the 1-month follow-up. However, among 20 patients with PPCM who underwent 1-month echocardiography, only 6 (30%) showed complete recovery of LV ejection fraction at the 1-month follow-up. At the 12-month follow-up, only 10 patients showed complete recovery of LV ejection fraction. The incidence of PTCM was much higher than expected. Although LV dysfunction was similar at the initial diagnosis, the prognosis of LV recovery was more favorable in PTCM than in PPCM. Therefore, physicians should differentiate these two diseases entities, although they have several similarities in acute LV dysfunction.
KeywordsPeripartum cardiomyopathy Stress-induced cardiomyopathy Takotsubo cardiomyopathy
This study was supported by a grant from Alvogen Korea (Grand No. 1111).
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
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