医学
心脏病学
射血分数
内科学
QRS波群
铅(地质)
捆绑
心室起搏
并发症
心力衰竭
地貌学
地质学
复合材料
材料科学
作者
Shunmuga Sundaram Ponnusamy,Pugazhendhi Vijayaraman
摘要
A 61-years-old male underwent left bundle branch pacing for nonischemic dilated cardiomyopathy with recurrent heart failure. Left bundle branch pacing (LBBP) resulted in reduction in QRS duration along with improvement in left ventricular ejection fraction (LVEF) to 64% during follow-up. Two years after implantation he had recurrence of symptoms along with decline in LVEF to 51%. Late lead dislodgement was diagnosed and re-do LBBP was planned. The lead was extracted en-masse without complication and a new 3830 lead was positioned deep inside the proximal septum to capture the left bundle. Postprocedure echocardiography showed no ventricular septal defect or damage to tricuspid leaflet.
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