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为探讨急性心肌梗塞恢复期患者左心功能与胰岛素抵抗的关系，对26例急性心肌梗塞恢复期患者和20例健康人进行口服葡萄糖耐量试验、胰岛素和C肽释放试验，并应用多普勒超声心动图仪探测急性心肌梗塞患者左心室收缩和舒张功能。结果发现左心室射血分数＜0.50的患者（LEF组）、左心室射血分数＞0．50的患者（NEF分数）和正常组空腹血糖浓度接近，而空腹胰岛素水平却LEF组＞NEF组＞正常组，胰岛素敏感性指数三组依次增大；LEF、NEF两组糖耐量受损与异常增高的胰岛素释放反应并存，LEF组胰岛素释放反应强度大于NEF组；某些收缩功能参数（主要是左心室射血分数）与多个胰岛素抵抗参数显著相关。提示急性心肌梗塞恢复期患者左心室收缩功能受损与胰岛素抵抗程度相关联。
To investigate the relationship between left ventricular function and insulin resistance in convalescent patients with acute myocardial infarction, oral glucose tolerance test, insulin and C-peptide release test were performed in 26 patients with convalescent acute myocardial infarction and 20 healthy subjects. Doppler ultrasound Cardiogram Detects Left Ventricular Systolic and Diastolic Function in Patients with Acute Myocardial Infarction. The results showed that patients with left ventricular ejection fraction <0.50 (LEF group), patients with left ventricular ejection fraction> 0.50 (NEF score) and normal group had fasting plasma glucose concentrations, while fasting insulin levels in LEF group> NEF group> Normal group and insulin sensitivity index increased in turn, and LEF and NEF groups coexisted with impaired glucose tolerance. Insulin release response in LEF group was stronger than NEF group. Some systolic function parameters (mainly Left ventricular ejection fraction) was significantly correlated with multiple insulin resistance parameters. It is suggested that the impaired left ventricular systolic function is associated with the degree of insulin resistance in convalescent patients with acute myocardial infarction.