• Zhonghua nei ke za zhi · Jun 2008

    [The incidence and predictors of atrial fibrillation in hypertrophic cardiomyopathy].

    • Zhi-Hong Han, Yu Li, Teng-Yong Jiang, Xue-Si Wu, Yue-Chun Gao, and Fang Chen.
    • Department of Cardiology, Beijing Anzhen Hospital, the Capital Medicine University, Beijing 100029, China.
    • Zhonghua Nei Ke Za Zhi. 2008 Jun 1;47(6):475-7.

    ObjectiveTo observe the incidence and predictors of atrial fibrillation in hypertrophic cardiomyopathy (HCM).Methods612 HCM patients were analyzed prospectively from July 1990 to November 2007. The age, sex, height, weight, medical history, main symptoms and incidence of atrial fibrillation were recorded.ResultsThe patients' mean age was (47.8 +/- 14.9). 414 patients (67.6%) were male. 377 patients (61.6%) had left ventricular outflow truct obstruction. 94 patients (15.4%) and atrial fibrillation. 43 patients (6.0%) had sustained and 51 patients (9.4%) had paroxysmal. The patients with atrial fibrillation were older in age and were predominantly female. Their medical history were longer, left atrial diameter (LAD) longer and plasma B-type natriuretic peptide (BNP) higher. logistic regression analysis indicated that the medical history (P = 0.012), LAD (P = 0.0001) and BNP (P = 0.017) were the independent predictors of atrial fibrillation in HCM. Atrial fibrillation was accompanied by a decrease in functional status and an increase in risk of stroke.ConclusionsThe incidence of atrial fibrillation in HCM was high. The medical history, LAD and BNP were the independent predictors of its occurrence.

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