Objective:To observe clinical effects of DanHong injection and nitrates in treating angina pectoris of coronary heart disease. Method:All 68 patients were randomized into the treatment group and the control group. Both groups received routine treatment, the observation group intravenous dripping of DanHong injection, 40mL, and 5%blood glucose, 200mL, once per day. Ten days were one course of treatment, clinical effects were observed after one course of treatment. Result: Among 34 cases of the treatment group, there were 16 cases markedly effective, 16 cases effective and two cases ineffective, total effective rate 94.12%. There were 12 cases markedly effective in the control group, 15 cases effective, seven cases ineffective and total effective rate 78.13%. The difference was significant between both groups in clinical effects (P<0.05). There was no complication and adverse reaction in the treatment group. There were two patients complicated with hypotension (5.88%), three cases with headache, flushing and other discomforts (8.82%) and five cases suffering from adverse reaction (14.71%). The difference was significant in the incidence of adverse reaction (P<0.05). Conclusion:DanHong injection and nitrates are effective in treating angina pectoris of coronary heart disease.%目的：观察丹红注射液、硝酸酯类药联合治疗冠心病心绞痛的临床疗效。方法：将68例冠心病心绞痛患者随机分组为治疗组、对照组各34例。2组入院后均予常规治疗，观察组在此基础上给予丹红注射液40 mL+5%葡萄糖200 mL，静脉滴注，1次/d。2组均以10天为1个疗程，1个疗程后观察疗效。结果：治疗组显效16例，有效16例，无效2例，总有效率94.12%；对照组显效12例，有效15例，无效7例，总有效率78.13%；2组临床疗效比较差异显著（P＜0.05），治疗组并发症0例，药物不良反应0例，对照组并发低血压2例（占5.88%），头痛、面红等不适者3例（8.82%），药物不良反应15例（14.71%）。2组不良反应发生率比较，差异显著（P＜0.05）。结论：丹红注射液联合硝酸酯类药物治疗冠心病心绞痛疗效显著。
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