Methods30 patients were divided into two groups : general operation group of CABG with CPB (Group A) and minimally invasive operation group of that without CPB(Group B), and either group included 15 patients.

• 方法:30例择期行冠状动脉搭桥手术的患者,分成常规体外循环组(A组)和微创非体外循环组(B组),每组各15例,两组患者均采用胸骨正中切口手术入路,分别在体外循环和非体外循环条件下接受冠状动脉搭桥手术。