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不稳定性心绞痛的发作主要是因为各种原因引起冠状动脉缺血缺氧或痉挛而引起心前区疼痛等症状,治疗措施在于恢复冠状动脉血流进而改善症状[1]。曲美他嗪是一种可以增加心肌ATP数量促进心肌组织磷脂合成的药物,诸多研究已经证实曲美他嗪可以有效缓解心绞痛患者的症状[2]。地尔硫卓是一种非二羟吡啶类钙离子拮抗剂,能够有效缓解冠状动脉痉挛,改善冠脉供血,并且具有一定的降低血压和心率的作用[3]。本研
The onset of unstable angina mainly because of various causes of coronary ischemia or hypoxia or spasm caused by precordial pain and other symptoms, treatment is to restore coronary blood flow and thus improve the symptoms [1]. Trimetazidine is a drug that increases the amount of ATP in myocardium and promotes the synthesis of phospholipids in myocardial tissue. Many studies have demonstrated that trimetazidine can effectively relieve the symptoms of angina pectoris [2]. Diltiazem is a non-dihydroxy pyridine calcium antagonist, can effectively relieve coronary artery spasm, improve coronary blood supply, and have some blood pressure and heart rate reduction [3]. This research