近年来 ,随着国外大规模临床试验结果和心脏起搏器工程技术的改进 ,安置永久心脏起搏器的适应证有了相应的变化 ,主要修改内容如下。1　成人获得性房室阻滞修改后的指南对 度房室传导阻滞起搏器安置指征作了相应修改 ,认为任何解剖水平的高 度房室传导阻滞和 度房室阻滞相同 In recent years, with the results of large-scale clinical trials abroad and improvements in pacemaker engineering technology, there has been a corresponding change in the indications of permanent pacemaker placement. The main changes are as follows. 1 Amended guidelines for adult acquired atrioventricular block modified the guidelines for the placement of AV block pacemakers and concluded that the AV block at any anatomical level is the same as the atrioventricular block