Unique clinical presentation and management of lead-stent abrasion

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HeartRhythm Case Reports
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Unique clinical presentation and management of lead-stent abrasion Salil Desai, MD, James E. Ip, MD, FHRS, Akhilesh K. Sista, MD, Quynh A. Truong, MD, Bruce B. Lerman, MD, FHRS, Jim W. Cheung, MD, FHRS  HeartRhythm Case Reports  Volume 4, Issue 2, Pages 54-57 (February 2018) DOI: 10.1016/j.hrcr.2017.10.006 Copyright © 2017 Heart Rhythm Society Terms and Conditions

Figure 1 Three-dimensional rendering of chest computed tomography scan of the patient. Course of the transvenous atrial and ventricular pacing leads (white) are shown. At the junction of the right brachiocephalic vein (blue) and lead entry into the superior vena cava, there is complete absence of contrast consistent with complete superior vena cava occlusion. Extensive collateral venous flow is seen (orange). HeartRhythm Case Reports 2018 4, 54-57DOI: (10.1016/j.hrcr.2017.10.006) Copyright © 2017 Heart Rhythm Society Terms and Conditions

Figure 2 Intracardiac electrograms from pacemaker interrogation 3 weeks after device implantation. High-frequency, nonphysiologic signals (dashed arrows) are seen on the ventricular electrogram channel (A) and the atrial electrogram channel (B). EGM = electrogram. HeartRhythm Case Reports 2018 4, 54-57DOI: (10.1016/j.hrcr.2017.10.006) Copyright © 2017 Heart Rhythm Society Terms and Conditions

Figure 3 Procedural findings during lead explanation after the identification of electrical lead malfunction. A: Fluoroscopy reveals apposition of the pacing leads at the lateral edge of the left subclavian stent. B: Visual evidence of insulation damage of the atrial lead (red oval circle). C: Visual evidence of insulation damage of the ventricular lead (red oval circle). HeartRhythm Case Reports 2018 4, 54-57DOI: (10.1016/j.hrcr.2017.10.006) Copyright © 2017 Heart Rhythm Society Terms and Conditions