期刊
JOURNAL OF CLINICAL MEDICINE
卷 12, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/jcm12041412
关键词
arrhythmia; cardiomyopathy; atrial fibrillation; heart failure; premature ventricular beats
This retrospective cohort study compared the clinical presentation, comorbidities, and long-term outcomes of patients with tachycardia-induced cardiomyopathy (TICMP) and idiopathic dilated cardiomyopathies (IDCM). The results showed similar primary composite endpoint and all-cause mortality between the groups, but a significantly higher rate of hospital readmissions in the TICMP group.
Background: data on the natural course and prognosis of tachycardia-induced cardiomyopathy (TICMP) and comparison with idiopathic dilated cardiomyopathies (IDCM) are scarce. Objective: To compare the clinical presentation, comorbidities, and long-term outcomes of TICMP patients with IDCM patients. Methods: a retrospective cohort study of patients hospitalized with new-onset TICMP or IDCM. The primary endpoint was a composite of death, myocardial infarction, thromboembolic events, assist device, heart transplantation, and ventricular tachycardia or fibrillation (VT/VF). The secondary endpoint was recurrent hospitalization due to heart failure (HF) exacerbation. Results: the cohort was comprised of 64 TICMP and 66 IDCM patients. The primary composite endpoint and all-cause mortality were similar between the groups during a median follow-up of similar to 6 years (36% versus 29%, p = 0.33 and 22% versus 15%, p = 0.15, respectively). Survival analysis showed no significant difference between TICMP and IDCM groups for the composite endpoint (p = 0.75), all-cause mortality (p = 0.65), and hospitalizations due to heart failure exacerbation. Nonetheless, the incidence of recurrent hospitalization was significantly higher in TICMP patients (incidence rate ratio 1.59; p = 0.009). Conclusions: patients with TICMP have similar long-term outcomes as those with IDCM. However, it portends a higher rate of HF readmissions, mostly due to arrhythmia recurrences.
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