Characteristics of Congestive Heart Failure Accompanied by Atrial Fibrillation With Special Reference to Tachycardia-Induced Cardiomyopathy
Open Access
- 1 January 2007
- journal article
- Published by Japanese Circulation Society in Circulation Journal
- Vol. 71 (6), 936-940
- https://doi.org/10.1253/circj.71.936
Abstract
Background Sustained tachycardia causes left ventricular (LV) systolic dysfunction leading to heart failure (HF), which is widely known as "tachycardia-induced cardiomyopathy (TIC)", but its prevalence and prognosis in Japanese remain unclear. Methods and Results Of 213 consecutive patients with HF associated with atrial fibrillation (AF) requiring hospitalization (n=213) between January 1999 and December 2004, and 104 (83 males, 67±12.6 years) were identified as not having any structural heart disease. Of them 41 (39%) had a normal LV ejection fraction (LVEF) at the initial admission, and the remaining patients fell into 2 groups: those with rapid (Circ J 2007; 71: 936 - 940)Keywords
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