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经皮腔内冠脉成形术(PTCA)是冠心病的治疗方法之一,最初仅用于单支病变的患者,现已用于多支病变而取得良好疗效,本文对多损(multi-lesion)及多支(multivessel)病人施行 PTCA的疗效进行比较.(多损是指具有2个以上部位狭窄而必经近端狭窄才能到达远端狭窄者。多支是指狭窄部位在不同血管而不需通过一处狭窄就能到达另一处者).
Percutaneous transluminal coronary angioplasty (PTCA) is one of the treatment of coronary heart disease, initially only for patients with single vessel lesions, has been used for multiple lesions and achieved good effect, the multi-lesion ) And multi-multivessel patients (compared with PTCA in patients with multiple lesions (multiple lesions refers to more than two sites must be stenosed by the proximal stenosis to reach the distal stenosis. Multi-branch refers to the stenosis in different blood vessels and not Need to pass a narrow reach to another place).