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Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures

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Ectopic positioning of pacemaker electrode.

Gildo Mota¹, Juliana Prazeres, Nelmacy Freitas

¹Hospital Universitário Professor Edgard Santos, Universidade Federal da Bahia, Salvador, BA, Brasil. gildomota@cardiol.br

Arquivos Brasileiros De Cardiologia

|June 16, 2010

Summary

This summary is machine-generated.

This case report details a Chagas disease patient who experienced pacemaker electrode complications, including displacement and an ectopic electrode, leading to cardiac dysfunction. Management involved electrode re-implantation and monitoring for long-term cardiac health.

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Area of Science:

Cardiology
Infectious Diseases
Biomedical Engineering

Background:

Chagas disease can manifest with severe cardiac complications, including atrioventricular block and ventricular dysfunction.
Pacemaker implantation is a crucial intervention for managing symptomatic bradyarrhythmias in cardiac Chagas disease.
Device-related complications, such as lead displacement, can impact pacemaker efficacy and patient outcomes.

Observation:

A patient with cardiac Chagas disease presented with left ventricular dysfunction and Mobitz type II atrioventricular block.
Following a double-chamber pacemaker implant, the patient experienced atrial electrode displacement requiring re-implantation.
Two years post-procedure, an echocardiogram revealed a metallic foreign body in the left cardiac chambers, identified as an ectopic pacemaker electrode.

Findings:

The case highlights a rare complication of pacemaker implantation in Chagas disease: an ectopic electrode.
Lead displacement and subsequent ectopic lead formation can occur despite initial successful implantation.
Such complications may contribute to or exacerbate cardiac dysfunction and symptoms like dyspnea.

Implications:

This case underscores the importance of vigilant post-implantation monitoring for pacemaker lead complications in patients with Chagas disease.
Understanding potential device-related issues is crucial for optimizing long-term management strategies.
Further research into lead integrity and patient selection for device therapy in Chagas disease may be warranted.