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本文介绍闭式房室交接处(NHJ)冷冻切除术治疗室上性快速心律失常(SVTA)的经验,术中毋须体外循环和切开心房。病例:对室上性快速心律失常发作频繁,引起循环功能不全且药物治疗无效的136例患者,应用各种手术方法破坏 NHJ。(1)心内直视冷冻治疗组(OC 组):男47例,女30例,年龄12～66岁。体外循环下进行心内直视术的83例中,77例用冷冻法破坏 NHJ。(2)闭式冷冻治疗组(CC 组):男20例,女14例,年龄18～71岁。未作体外循环和心房切开的53例中,34例用冷冻法破坏 NHJ,为本文分析的对象。CC 组包括:动脉粥样硬化性心脏硬化症9例,心肌炎、心肌营养不良症3例,风湿性瓣膜
This article describes the experience of cryogenic resection of a closed atrioventricular junction (NHJ) in the treatment of supraventricular tachyarrhythmia (SVTA) without the need for extracorporeal circulation and incision of the atrium. Case: 136 patients with frequent episodes of supraventricular tachyarrhythmia, which cause circulatory insufficiency and ineffective drug treatment, underwent various surgical procedures to disrupt NHJ. (1) Intracardiac cryotherapy group (OC group): 47 males and 30 females, aged 12 to 66 years old. Of the 83 patients who underwent cardiopulmonary bypass undergoing cardiopulmonary bypass, 77 were frozen to destroy NHJ. (2) Closed cryotherapy group (CC group): 20 males and 14 females, aged 18 to 71 years old. Among the 53 cases without cardiopulmonary bypass and atrial dissection, 34 cases destroyed NHJ by freezing, which is the object of this study. CC group included: atherosclerotic heart sclerosis in 9 cases, myocarditis, myocardial dystrophy in 3 cases, rheumatic valve