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Strange echocardiographic finding after transvenous lead extraction in a patient with lead-associated infective endocarditis.

机译:铅相关感染性心内膜炎患者经静脉铅提取后的奇怪超声心动图发现。

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摘要

Transvenous lead extraction in patients with lead-associated infective endocarditis is a safe and effective procedure (1% mortality vs. 10% in cardiac surgery).1'2 Transoesophageal echocardiography (TEE) is the most relevant diagnostic method. X-ray is a useful method for visualization of metal parts, but not for vegetations and other pacing lead components. The value of computed tomography is diminished by artefacts derived from metal parts.We report on a 64-year-old male after pacemaker DDD implantation 14 years ago (one reiimplantation, another intervention due to ventricular lead dysfunction) with clinical signs of infective endocarditis. Transoesophageal echocardiography revealed three vegetations connected with ventricular lead in the right atrium and ventricle (up to 1.5 cm x 1 cm). Transvenous bipolar lead extraction using a mechanical system (Cook's Byrd dilators) was complicated with internal metal conductor rupture.
机译:铅相关感染性心内膜炎患者中的静脉铅提取是一种安全有效的方法(死亡率为1%,心脏手术中为10%)。1'2经食道超声心动图(TEE)是最相关的诊断方法。 X射线是用于可视化金属零件的有用方法,但不适用于植被和其他起搏引线组件的可视化。计算机断层扫描的价值因金属零件的伪影而降低。我们报道了一名14岁男性,在14年前植入起搏器DDD后(一次再植入,另一种由于心室铅功能障碍引起的干预),并伴有感染性心内膜炎的临床体征。经食道超声心动图检查发现在右心房和心室(最大1.5 cm x 1 cm)内有三个与心室导联相连的植被。使用机械系统(Cook's Byrd扩张器)进行的双极静脉穿刺术由于内部金属导体破裂而变得复杂。

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