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486例经冠(状动)脉造影检查的不稳定型心绞痛男性病人,被随机分为:(单纯)内科(治疗)组237例,外科(加内科治疗)组231例。根据临床表现分为:Ⅰ型374例,进行性或新近发生的心绞痛,用药可以缓解;Ⅱ型94例心绞痛持续时间较长而且用药不能完全甚至不能缓解。根据左室功能分为:334例左室功能正常,134例左室功能不全(LVEF<0.50,左室舒张末压≥16mmHg)。
A total of 486 male patients with unstable angina pectoris underwent coronary angiography were randomly divided into (simple) internal medicine group (n = 237) and surgical (plus medical group) group (n = 231). According to the clinical manifestations are divided into: 374 cases of type Ⅰ, progressive or recent angina pectoris, medication can be alleviated; type Ⅱ 94 angina pectoris longer duration and medication can not completely or even not alleviate. Divided according to left ventricular function: 334 cases of normal left ventricular function, 134 cases of left ventricular dysfunction (LVEF <0.50, left ventricular end diastolic pressure ≥ 16mmHg).