Asymptomatic Late Migration of an Atrial Pacemaker Lead into
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Abstract
This report illustrates an unusual case of asymptomatic late cardiac perforation by an atrial pacemaker lead into the right lung. In the present case, the lead was explanted by simple manual traction through the device pocket without any complication.

Case Report
A 33-year-old patient with no evidence of underlying cardiomyopathy was implanted with a dual-chamber pacemaker (St-Jude Medical (SJM, St. Paul, Minnesota, USA) Zephyr XL DR; active fixation atrial lead SJM Tendril ST 1882T/52; passive ventricular lead SJM Tendril ST 1888T/58) for symptomatic complete atrioventricular (AV) block. The implantation procedure was uneventful and usual follow-up including device interrogation and chest radiography remained normal until the 8-month follow-up visit. During this last consultation, although the patient remained totally asymptomatic, both atrial sensing and capture were lost. Chest radiography revealed a clear migration of the atrial lead into the right lung (Figure 1)....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4244951/
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