期刊
CARDIOLOGY
卷 126, 期 4, 页码 258-264出版社
KARGER
DOI: 10.1159/000354953
关键词
Hypertrophic cardiomyopathy; Atrial fibrillation; Prognosis
资金
- Ministry of Science and Technology of China [2009DFB30050, 2010CB732601]
- National Natural Science Foundation of China [30971233]
Objectives: The clinical outcomes of hypertrophic cardiomyopathy (HCM) are largely unpredictable. This study aimed to investigate the relationship between atrial fibrillation (AF) and its prognostic implications in Chinese patients with HCM. Methods: From 1999 to 2011, 654 unrelated HCM patients were consecutively recruited at Fuwai Hospital. Medical history, including electrocardiographic and echocardiographic data, was analyzed. Results: AF was documented in 158 patients (24%). During follow-up of 4.2 +/- 2.8 years, Kaplan-Meier analysis revealed that the presence of AF was associated with an increased risk for all-cause death (p = 0.001), cardiovascular death (p < 0.001), severe heart failure (p < 0.001) and ischemic stroke (p < 0.001). Multivariate analysis identified AF as an independent predictor of stroke-related death (HR 6.71, 95% CI 1.23-38.58, p = 0.03), advanced heart failure (HR 1.83, 95% CI 1.04-3.22, p = 0.04) and ischemic stroke (HR 9.98, 95% CI 4.06-24.53, p < 0.001). Furthermore, enlarged left atrial diameter was positively related to all-cause death (HR 1.09, 95% CI 1.05-1.13, p < 0.001), cardiovascular death (HR 1.08, 95% CI 1.04-1.20, p < 0.001) and development of advanced heart failure (HR 1.05, 95% CI 1.01-1.10, p = 0.01). Conclusions: AF predicts poor outcomes for patients with HCM. Left atrial dilation is also related to an adverse prognosis and provides additional prognostic information. (C) 2013 S. Karger AG, Basel
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