Electrical isolation were then attemped in 102 veins including 94 pulmonary veins and 8 superior vena cava, with the achievement of electrical disconnection in 93 veins (91.2%).

• 第一次电隔离大愮脉80根，再次标测显祓其中有75支(93.；8%25)的大静脉电位完全或部分恢复。