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Acta Cardiol. 2012 Apr;67(2):235-8.

Severe tricuspid regurgitation secondary to dislodgement of the atrial loop into the right ventricle: an unusual complication of pacemaker implantation in a young adult.

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Department of Paediatrics, Acibadem University, Istanbul, Turkey.


Transvenous pacemaker leads may impair tricuspid valve function. Severe tricuspid regurgitation due to leaflet adhesion to the pacemaker lead has not been reported in a young adult patient in the literature. Our patient underwent a transvenous pacemaker implantation for symptoms of bradycardia. An atrial loop was created in the right atrium for future growth. After 10 years of follow-up, the patient was seen with severe tricuspid regurgitation and enlarged right heart structures due to migration of the atrial loop of the pacemaker lead into the right ventricle and adhesion of the lead to the tricuspid valve. Cardiac surgery and epicardial pacing was the chosen procedure to solve this problem. The venous system and right heart valves should be carefully observed during the follow-up of children who underwent transvenous pacing.

[Indexed for MEDLINE]

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