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目前慢性心力衰竭患者心脏再同步化治疗(CRT)后进行V-V delay优化的临床价值尚待证实。Boriani等学者进行的RHYTHMⅡICD研究是一项单盲、随机试验,入选了121例CRT加自动复律除颤器(CRT-D)植入的患者。以1∶3比例随机分为了两组:双室同步起搏组(30例)和经超声心动图指导的双心室
At present, the clinical value of V-V delay optimization after cardiac resynchronization therapy (CRT) in patients with chronic heart failure remains to be confirmed. The RHYTHM II CD study by Boriani et al. Was a single-blind, randomized trial of 121 CRT-D cardioverter-defibrillator (CRT-D) implanted patients. 1: 3 ratio were randomly divided into two groups: double-chamber synchronized pacing group (30 cases) and echocardiographic guidance of the biventricular