Of these patients, 4 had low cardic output syndrome, 18 had hypoxaemia, 3 had sternal wound dehiscence, and 15 had atrial fibrillation after operation.

• 术后出现低心排4例，低氧血症18例，胸骨哆开3例，快速房颤15例，经治疗后均治愈，无围术期死亡，疗效满意。