Entrapment of Pacemaker Lead by a Large Net-like Eustachian Valve Within the Right Atrium

Overview

Journal Clin Res Cardiol

Specialty Cardiology & Vascular Diseases

Date 2006 Apr 7

PMID 16598595

Citations 7

Authors

Rudiger Dissmann

Joachim Schroder

Heinz Voller

Steffen Behrens

Affiliations

Soon will be listed here.

Abstract

During pacemaker implantation in a patient with permanent atrial fibrillation, it remained impossible to advance a passive fixation lead with fins through the right atrium. However, a lead with a retractable screw easily passed the right atrium and was positioned in the right ventricle. Transesophageal echocardiography revealed an extensive net-like perforated Eustachian valve within the right atrium that had caused entrapment of the anchor fins during lead implantation. Remnants of embryonal structures within the right atrium should be considered a rare possible barrier during pacemaker implantation.

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