为了评价抗凝剂和/或β-受体阻滞剂对冠脉中间综合征的疗效,作者等作了肝素与氨酰心安治疗此病的双盲对照研究。将因梗塞前心绞痛、急性冠脉供血不全、心内膜下心肌梗塞而住入冠心病监护病房的214名患者,随机分成4个治疗组,即,P:无菌水与对照片剂(54例);A:无菌水与氨酰心安(60例),H:肝素与 In order to evaluate the efficacy of anticoagulants and / or beta-blockers on coronary syndrome, a double-blind controlled study of heparin and atenolol in the treatment of this disease was undertaken. 214 patients admitted to the coronary care unit due to pre-infarction angina, acute coronary insufficiency, and subendocardial myocardial infarction were randomly assigned to 4 treatment groups, ie, P: sterile water and control tablets Cases); A: sterile water and atenolol (60 cases), H: heparin and