International journal of cardiology · 2016
Association of cardiac cachexia and atrial fibrillation in heart failure patients.
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Arámbula-Garza Estefanía, Castillo-Martínez Lilia, González-Islas Dulce, Orea-Tejeda Arturo, Santellano-Juárez Brenda, Keirns-Davies Candace, Peláez-Hernández Viridiana, Sánchez-Santillán Rocío, Pineda-Juárez Juan, Cintora-Martínez Carlos, Pablo-Santiago Ruth
Аннотация
BACKGROUND: Cachexia is a common complication in patients with advanced heart failure (HF) associated with inflammatory response activation. Atrial fibrillation (AF) is the most frequent arrhythmia (26%), probably both exacerbate the cardiac cachexia (CC).
OBJECTIVES: Evaluate the association of cardiac cachexia and atrial fibrillation in heart failure patients.
MATERIAL AND METHODS: In a case control study, CC was diagnosed by electrical bioimpedance with vectorial analysis (BIVA). Subjects with congenital heart disease, cancer, HIV, drug use and other causes than HF were excluded.
RESULTS: Of the 359 subjects analyzed (men: 52.9%) median age 65years (55-74). Those with CC were older [72 (61-67)] vs. without [62 (52-70) years old, p<0.01]. During follow-up 47.8% of subjects developed CC and 17.27% AF, this was significantly more frequent in cachectic patients CC (23% vs 12.11%, OR: 2.17, 95% CI: 1.19-4.01, p=0.006). Subjects, with AF had lower left ventricular ejection fraction (25.49±12.96 vs. 32.01±15.02, p=0.08), lower posterior wall thickness (10.03±2.12 vs. 11.00±2.47, p=0.007), larger diameter of the left atrium (49.87±9.84 vs. 42.66±7.56, p<0.001), and a higher prevalence of CC (85.42% vs. 69.77%, p=0.028). The 50.58% of was in NYHA class I. In NYHA III, 22.95% were in AF vs. 12.10% with not AF (p=0.027).
CONCLUSION: The frequent coexistence of CC and AF as HF complications indicate greater severity of HF, regardless of its type of HF.
OBJECTIVES: Evaluate the association of cardiac cachexia and atrial fibrillation in heart failure patients.
MATERIAL AND METHODS: In a case control study, CC was diagnosed by electrical bioimpedance with vectorial analysis (BIVA). Subjects with congenital heart disease, cancer, HIV, drug use and other causes than HF were excluded.
RESULTS: Of the 359 subjects analyzed (men: 52.9%) median age 65years (55-74). Those with CC were older [72 (61-67)] vs. without [62 (52-70) years old, p<0.01]. During follow-up 47.8% of subjects developed CC and 17.27% AF, this was significantly more frequent in cachectic patients CC (23% vs 12.11%, OR: 2.17, 95% CI: 1.19-4.01, p=0.006). Subjects, with AF had lower left ventricular ejection fraction (25.49±12.96 vs. 32.01±15.02, p=0.08), lower posterior wall thickness (10.03±2.12 vs. 11.00±2.47, p=0.007), larger diameter of the left atrium (49.87±9.84 vs. 42.66±7.56, p<0.001), and a higher prevalence of CC (85.42% vs. 69.77%, p=0.028). The 50.58% of was in NYHA class I. In NYHA III, 22.95% were in AF vs. 12.10% with not AF (p=0.027).
CONCLUSION: The frequent coexistence of CC and AF as HF complications indicate greater severity of HF, regardless of its type of HF.