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我科1991年5月开始埋藏全自动DDD型起搏器,现将5例报告如下。 此5例患者均为房室传导阻滞,计Ⅲ°AVB4例,Ⅱ°Ⅱ巨型—不完全性三枝阻滞1例,均伴有不同程度的心功能不全,为术后改善心功能,均安装了房室顺序型(DDD型)起搏器,此种起搏器为生理性起搏,具有很多优点,安装上与VVi有不同的特点:(1)需要置入二根电极,分别置于心房和心室,因心房内膜平滑需要特别的丁形心房电极,较难固定,较易脱位。(2)置入时
Our department began in May 1991 buried automatic DDD-type pacemaker, now 5 cases are reported as follows. The 5 patients were all atrioventricular block, including 3 cases of AVB in 4 cases, Ⅱ ° Ⅱ giant - incomplete block in 1 case, with varying degrees of cardiac insufficiency, postoperative heart function improvement, were Installed atrioventricular sequence type (DDD) pacemaker, such pacemaker for physiological pacing, has many advantages, the installation and VVi have different characteristics: (1) Need to put two electrodes, respectively, set In the atria and ventricles, due to the smooth atrial intima needs a special type of atrial electrode, more difficult to fix, easier dislocation. (2) when placed