起搏器电极导线不完全断裂二例
Jiangsu Medical Journal(2014)
Abstract
患者,男,78岁,因“发现起搏器不工作3个月”入院.患者6年前因“Ⅲ度房室传导阻滞”行双腔起搏器植入术,术后定期程控,未见起搏器功能异常.3个月前复查心电图提示“Ⅲ度房室传导阻滞”,拟更换起搏器入住我院.入院查体:血压160/70 mm Hg,心界无扩大,心率42次/分,心律不齐;心电图示,Ⅲ度房室传导阻滞,室性逸搏心律,可见心房感知信号;全胸片未见明显导线断裂.入院后完善相关检查后行起搏器更换术,术中测原心室电极阻抗>4000 Ω,心房电极参数正常,考虑右室电极断裂,予以更换右室电极,考虑患者原起搏器植入6年,已过质保期,同时更换起搏器,术后随访3个月起搏器起搏感知功能正常.
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