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目的探讨急性心肌梗死 ( AMI)患者二尖瓣返流 ( MR)的预后意义。方法对 14 2例 AMI患者住院早期 ( 7天内 )行超声心动图检查 ,以彩色多普勒定量测定其 MR。并对 MR组及无 MR组的临床资料、超声心动图指标及预后进行对比分析。结果 90例无 MR( 6 3.38% ) ,轻度 MR 43例 ( 30 .2 8% ) ,中、重度 MR 9例 ( 6 .34% )。 MR组较无 MR组患者年龄更大、既往心肌梗死发病率及高血压发病率更高 ( P<0 .0 5 )。 MR返流组脉冲多普勒 E峰、E/A显著高于无 MR组 ( P均 <0 .0 5 )。 MR组 30天及 1年病死率均显著高于无MR组 ( P均 <0 .0 5 )。结论超声心动图证实的 MR对 AMI患者的预后具有预测价值
Objective To investigate the prognostic significance of mitral regurgitation (MR) in patients with acute myocardial infarction (AMI). Methods 142 cases of AMI patients hospitalized early (7 days) underwent echocardiography, quantitative determination of MR by color Doppler. The clinical data, echocardiographic parameters and prognosis of MR group and no MR group were compared. Results There were no MR in 90 cases (6 3.38%), mild MR in 43 cases (30.28%) and moderate and severe MR in 9 cases (6.34%). The MR group was older than the MR group, with a higher incidence of previous myocardial infarction and hypertension (P <0.05). The pulse Doppler E peak of EMR in MR regurgitation group was significantly higher than that in no MR group (P <0.05). The 30-day and 1-year mortality of MR group were significantly higher than those without MR group (all P <0.05). Conclusions Echocardiography-confirmed MR has predictive value for the prognosis of patients with AMI