Lopez J Alberto, Leachman D Richard
Texas Heart Institute at St. Luke's Episcopal Hospital, Houston, Texas, USA.
Ann Thorac Surg. 2007 Mar;83(3):1183-5. doi: 10.1016/j.athoracsur.2006.08.011.
A 62-year-old woman with Ebstein's anomaly and a tricuspid valve prosthesis underwent placement of a permanent atrioventricular pacemaker to treat highly symptomatic sinus node dysfunction and atrioventricular block. Transvenous bipolar leads were placed in the anterior cardiac and lateral coronary veins and were set to optimal ventricular pacing parameters to preserve prosthetic valve function, back-up ventricular pacing, and maintain atrioventricular and interventricular synchrony. An atrial septal lead was placed to control atrial pacing. Interventricular and atrioventricular timing were optimized with the use of tissue Doppler imaging and the Doppler-derived stroke volume.
一名患有埃布斯坦畸形和三尖瓣人工瓣膜的62岁女性接受了永久性房室起搏器植入术,以治疗症状严重的窦房结功能障碍和房室传导阻滞。经静脉双极导线被放置在前心脏静脉和外侧冠状静脉中,并设置为最佳心室起搏参数,以保留人工瓣膜功能、备用心室起搏,并维持房室和室间同步。放置了一根房间隔导线以控制心房起搏。使用组织多普勒成像和多普勒衍生的每搏输出量对室间和房室时间进行了优化。