Mobile echodensities on intracardiac device leads: Is it always a cause for concern?

Pacing and Clinical Electrophysiology : PACE
James RobinsonGerry Kaye

Abstract

Patients with cardiac implantable electronic devices (CIEDs) frequently undergo transthoracic echocardiography (TTE). As a result, incidental mobile echodensities (MEDs) attached to device leads are commonly detected. The aim of this study was to estimate the incidence and clinical outcomes of incidental MEDs on CIED leads. A retrospective analysis performed between 2011 and 2018 identified 3548 TTE studies performed on 1849 patients with CIEDs. MEDs were identified in 30 patients (1.6%) without clinical suspicion of infective endocarditis (IE). Patients with incidental MEDs were apyrexial, and those tested demonstrated low inflammatory markers and negative blood cultures (BC). In this group, the majority (83%) of MEDs were in the right atrium and no MEDs were detected near the tricuspid valve. Transesophageal echocardiography (TEE) did not influence clinical outcomes. No patient required long-term antibiotics or lead extraction and no IE-related deaths were identified from electronic health records during a mean follow-up period of 43 months (1-89). In contrast, nine patients with suspected IE were all pyrexial with elevated inflammatory markers, had positive BC, and had proven IE. In these cases, the majority of MEDs were at ...Continue Reading

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Citations

Mar 7, 2021·International Journal of Environmental Research and Public Health·Dorota NowosieleckaAndrzej Kutarski

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