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目的 观察冠通方对心肌梗死后心绞痛气虚血瘀型患者的治疗效果。方法 把80例符合纳入标准的梗死后心绞痛患者随机分成试药组和对照组，每组各40例。试药组给予冠通方加西医基础治疗，对照组给予西医基础治疗。比较两组的临床效果并观察各项指标的变化。结果 试药组中医证候疗效、心绞痛疗效、心电图疗效均优于对照组（均P<0.05)。治疗后试药组与对照组对冠状动脉侧支循环的分级及评分情况具有明显差异(P<0.05)。试药组与对照组对冠状动脉侧支循环的能否建立，差异不显著。结论 冠通方治疗心肌梗死后心绞痛的疗效显著优于西医基础治疗，安全性好。
Objective To observe the therapeutic effect of Guan Tong Fang on patients with angina pectoris and qi deficiency and blood stasis after myocardial infarction. Methods Eighty patients with post-infarction angina who met the inclusion criteria were randomly divided into trial group and control group, 40 cases in each group. Test group given Guan Tong Fang Western medicine based treatment, control group given western medicine based treatment. The clinical effects of the two groups were compared and the changes of various indexes were observed. Results The efficacy of TCM syndrome, angina pectoris and electrocardiogram were better in the test group than in the control group (all P <0.05). There was a significant difference (P & lt; 0.05) in the grading and score of coronary collateral circulation between the test group and the control group after treatment. Test group and control group of coronary collateral circulation can be established, the difference was not significant. Conclusion Guan Tong Fang treatment of angina pectoris after myocardial infarction significantly better than Western medicine treatment, good safety.