Results:2 patients with B-WPW showed disappearance of preexcitation 1-month post ablation, Persistent complete atrioventricular block and Wenckebach AV block occurred in 2 patients with AVNRT respectively within 1-week after ablation.

• 结果 :2例 B- WPW术后 1个月复查心电图预激消失 ,2例 AVNRT分别于术后 3d和 1周出现持续 度房室传导阻滞和 度 型房室传导阻滞 ,经激素治疗后房室传导均恢复正常。