急性心肌梗死中医四诊信息的聚类分析

Cluster Analysis on the Information of Four Physical Examinations of TCM in Patients with Acute Myocardial Infarction

目的:研究急性心肌梗死患者中医辨证分型的特点及规律。方法:对767例AMI患者的四诊信息运用SPSS12.0统计软件包进行K-means聚类分析后;再对每种类型进行主成分分析,判定每种类型的代表症状,归纳出证型。结果:调查收集AMI患者的症状共有49种,症状频率出现较高的是胸闷、胸痛、乏力、气短、心悸、喘憋;舌质多见黯红、淡黯、紫黯,舌苔以腻、白为主;常见的脉象是弦滑、弦、滑、弦细;总结出8种证候群。结论:根据聚类分析结果并结合临床实践,认为AMI患者分为8型较为合理。

Objective： To explore the characteristics of TCM manifestation in patients with acute myocardial infarction and the distribution rules of syndrome type of TCM. Methods： The patients＇information was analyzed by SPSS 12.0 software. K - means cluster analysis was used to classify the information of four physical examinations of 767 cases of acute myocardial infarction. Every syndrome type of TCM was analyzed by principal component analysis and the representative symptoms were determined. The syndrome type of TCM in patients with acute myocardial infarction was concluded. Results： There were 49 symptoms in patients with acute myocardial infarction. Chest distress, chest pain, debility, short breath, palpitation and dyspnea were present frequently. The most tongue body were dark - red tongue, pale - dark tongue and purple - dark tongue, and the principal tongue coating was greasy fur and white fur. The mainly pulse conditions were wiry - slippery pulse, wiry pulse, slippery pulse and wiry - thready pulse. Eight syndrome types of TCM are concluded. Conclusion ： Integrating the results of cluster analysis with clinic practice, the syndrome types of TCM in patients with acute myocardial could be summed up into eight TCM syndrome types.