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目的了解慢性心力衰竭(简称心衰)住院患者心房颤动(简称房颤)发生的相关因素。方法回顾性调查分析湖北孝感市中心医院2000年1月1日至2010年5月31日住院的心衰患者,多因素logistic回归分析房颤相关危险因素。结果心衰住院患者房颤发生率为40.12%。多因素logistic回归分析发现:①房颤的发生风险随年龄增加而增加:与<40岁组相比,40～50,50～60,60～70,70～80和≥80岁组房颤HR(95%CI)分别为1.452,2.167,2.457,2.805和3.157;P均<0.05或0.01②房颤发生风险随左室射血分数(LVEF)降低而显著增加:与LVEF 0.41～0.50组相比,LVEF 0.31～0.40,0.21～0.30和≤0.20组房颤HR分别为1.565,1.640和2.104;P均<0.05。结论慢性心衰住院患者房颤常见;慢性心衰患者房颤发生率随年龄增加和LVEF减低而增加。
Objective To understand the factors related to the occurrence of atrial fibrillation (AF) in hospitalized patients with chronic heart failure (HF). Methods Retrospective analysis of Xiaogan Central Hospital in Hubei Province from January 1, 2000 to May 31, 2010 hospitalized patients with heart failure, multivariate logistic regression analysis of atrial fibrillation risk factors. Results The incidence of atrial fibrillation in hospitalized patients with heart failure was 40.12%. Multivariate logistic regression analysis showed that: ① The risk of atrial fibrillation increased with age: Compared with <40-year-old group, the AF of 40-50, 50-60, 60-70, 70-80 and ≥80 years group (95% CI) were 1.452, 2.177, 2.457, 2.805 and 3.157, P <0.05 or 0.01 respectively. The risk of atrial fibrillation increased significantly with the decrease of left ventricular ejection fraction (LVEF): Compared with LVEF 0.41-0.50 , LVEF 0.31 ~ 0.40,0.21 ~ 0.30 and ≤0.20 group atrial fibrillation HR were 1.565,1.640 and 2.104; P all <0.05. Conclusion Atrial fibrillation is common in hospitalized patients with chronic heart failure. The incidence of atrial fibrillation in patients with chronic heart failure increases with age and LVEF.