【摘要】 目的 觀察黃芪煎劑對冠心病不穩定型心絞痛患者冠狀動脈事件的預防作用。 方法 2008年1-9月在達州市第二人民醫院心內科住院的76例冠心病不穩定型心絞痛患者納入觀察。隨機分為對照組(36例)和黃芪組(40例),隨訪觀察6個月,對比觀察兩組患者冠狀動脈事件的發生情況。 結果 黃芪組心絞痛發作頻率、平均持續時間、主要不良心臟事件發生率均明顯低于對照組。 結論 黃芪能夠有效預防冠心病不穩定型心絞痛患者冠脈事件的發生。【Abstract】 Objective To observe the effect of astragalus membranaceus (AM) to prevent the cronary events in patient with unstable angina pectoris(UA) . Methods Seventysix patients with UA were randomly divided into two groups: the control group (34 patients) with general treat of UA; the AM group (40 patients) with general treat and AM. All the patiens would be followed up in the next six months. Results The frequency of angina pectoris,time of angina pectoris and the incidence of major adverse cardiac events in AM group were significant lower than those in control group. Conclusion AM can prevent the cronary events in patients with UA.