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目的:寻找扩张型心肌病(DCM)合并充血性心力衰竭(CHF)的独立危险因素,为临床预防和治疗扩心病患者的病情提供依据。方法:选择我院收治的扩张型心肌病患者125例,按照NYHA分级分组,将心功能Ⅱ-Ⅳ级同时左心室射血分数(LVEF)<40%的患者91例定义为观察组;将心功能Ⅰ级同时左心室射血分数≥40%的患者34例定义为对照组。在比较两组临床资料的基础上,采用logistic多因素分析方法确立扩张型心肌病合并心力衰竭的独立危险因素。结果:单因素分析结果发现,观察组中的“房颤”及“脉压≥70mmHg”这两个参数比对照组的数量明显增多,差异有统计学意义(P<0.05)。logistic多因素分析发现“脉压≥70mmHg”、“房颤”是扩心病合并心力衰竭的独立危险因素。结论:“脉压≥70mmHg”、“房颤”是扩张型心肌病合并充血性心力衰竭的独立危险因素,需要在临床治疗扩心病患者时警惕这两项指标的异常。
Objective: To find out the independent risk factors of dilated cardiomyopathy (DCM) complicated with congestive heart failure (CHF), and to provide basis for clinical prevention and treatment of patients with heart disease. Methods: A total of 125 patients with dilated cardiomyopathy admitted to our hospital were enrolled in this study. According to the NYHA classification, 91 patients with heart function Ⅱ-Ⅳ level lower left ventricular ejection fraction (LVEF) <40% were defined as the observation group. 34 patients with functional level I and ≥40% left ventricular ejection fraction were defined as control group. On the basis of comparing two groups of clinical data, we established logistic multivariate analysis to establish independent risk factors of dilated cardiomyopathy complicated with heart failure. Results: The results of univariate analysis showed that the number of “atrial fibrillation” and “pulse pressure> 70mmHg” in the observation group was significantly higher than that in the control group, with statistical significance (P <0.05). Logistic multivariate analysis found that “pulse pressure> 70mmHg ”, “atrial fibrillation ” is an independent risk factor for heart disease with heart disease. CONCLUSION: “Pulse pressure> 70mmHg ”, “Atrial fibrillation ” is an independent risk factor for dilated cardiomyopathy complicated with congestive heart failure. It is necessary to be alert to the abnormality of these two indicators when clinical treatment of patients with heart disease.