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目的探讨肺动脉高压在急性心梗后心力衰竭发生的预测价值。方法入选280例急性心肌梗死患者,多普勒超声心动图评估肺动脉收缩压,高于35 mm Hg定义为肺动脉高压。随访时间为1年,随访终点为发生心力衰竭再次住院治疗。结果受试者工作特征ROC(receiver operating characteristic)工作曲线分析结果显示左室射血分数曲线下面积为0.53,肺动脉收缩压曲线下面积为0.84,差异有统计学意义。COX回归分析结果显示肺动脉收缩压高于35mm Hg是急性心肌梗死患者发生心力衰竭的危险因素。结论肺动脉收缩压是预测AMI患者发生心力衰竭的重要指标。
Objective To investigate the predictive value of pulmonary hypertension in the development of heart failure after acute myocardial infarction. Methods Two hundred and eighty patients with acute myocardial infarction were enrolled. Doppler echocardiography was used to assess pulmonary artery systolic pressure, and pulmonary hypertension was defined as greater than 35 mm Hg. The follow-up time was 1 year, and the end of follow-up was hospitalized again for heart failure. Results Receiver operating characteristic (ROC) curve analysis showed that the area under the left ventricular ejection fraction was 0.53 and the area under the pulmonary systolic pressure curve was 0.84, the difference was statistically significant. COX regression analysis showed that pulmonary artery systolic blood pressure higher than 35mm Hg is a risk factor for heart failure in patients with acute myocardial infarction. Conclusions Pulmonary artery systolic pressure is an important index for predicting heart failure in AMI patients.