A 20-year-old man with a temporary epicardial pacing wire retained after infant repair of an atrioventricular septal defect presented with cardiopulmonary arrest. After resuscitation with extracorporeal membranous oxygenation, a coronary angiogram demonstrated a retained epicardial pacing wire compressing the left anterior descending artery and obtuse marginals. Owing to poor prognostic findings on a computed tomography scan of his head, he was terminally withdrawn from mechanical support. This case demonstrates a potential devastating complication of a retained temporary epicardial pacing wire.
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http://dx.doi.org/10.1016/j.athoracsur.2012.04.055 | DOI Listing |
Heart Rhythm
December 2024
School of Biomedical Engineering and Imaging Sciences, King's College London, UK.
Background: Electrocardiographic imaging (ECGi) is a non-invasive technique for ventricular tachycardia (VT) ablation planning. However, it is limited to reconstructing epicardial surface activation. In-silico pace mapping combines a personalized computational model with clinical electrocardiograms (ECGs) to generate a virtual 3D pace map.
View Article and Find Full Text PDFJ Am Heart Assoc
December 2024
Graduate Program in Translational Biology Medicine and Health, Virginia Tech Roanoke VA USA.
Background: Previous studies suggest the relationship between activation time (AT) and action potential duration (APD) in the heart is dependent on electrotonic coupling, but this has not been directly tested. This study assessed whether acute changes in electrical coupling, or other determinants of conduction or repolarization, modulate APD heterogeneity.
Methods And Results: Langendorff-perfused guinea pig hearts were epicardially paced and optically mapped after treatment with the gap junction uncoupler carbenoxolone, ephaptic uncoupler mannitol, ephaptic enhancer dextran 2MDa, sodium channel inhibitor flecainide, or rapid component of the delayed rectifier potassium channel inhibitor E4031.
Ann Pediatr Cardiol
November 2024
Department of Nuclear Medicine and PET-CT, Jaslok Hospital and Research Centre, Mumbai, Maharashtra, India.
Cardiac strangulation is a rare phenomenon in children following epicardial pacemaker implantation, caused by compression of the heart and great vessels by the epicardial pacemaker wires. We report a rare case of cardiac strangulation presenting after 8 years of epicardial pacemaker implantation. On routine follow-up, computed tomography angiography showed significant extrinsic compression of the mid-left anterior descending (LAD) artery by the epicardial pacing wire.
View Article and Find Full Text PDFPacing Clin Electrophysiol
December 2024
Pediatric Cardiology, UC Davis Medical Center, Sacramento, USA.
Introduction: Congenital complete heart block is a condition where there is a risk of Stokes Adam's attacks and sudden death may occur. Once the escape rate is too low, or other high-risk factors occur, these patients ultimately need pacemakers placed. Epicardial or transvenous pacemakers have typically been in employed dependent on size of the patient and other circumstances.
View Article and Find Full Text PDFIndian J Thorac Cardiovasc Surg
January 2025
Faculty of Medicine, Clinic of Cardiac Surgery, Comenius University, National Institute of Cardiovascular Diseases, Pod Krasnou Hôrkou 1, 83101 Bratislava, Slovakia.
We present the successful management of a patient presenting with pneumo-peritoneum early after surgery due to transvere colon injury after placement of the temporary pacing wires. The patient was asymptomatic, underwent computed tomography, the temporary pacing wires were removed and he was managed conservatively.
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