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Clin Nucl Med ; 45(1): e55-e56, 2020 Jan.
Article in English | MEDLINE | ID: mdl-31246690

ABSTRACT

A 59-year-old man with a pacemaker who was admitted for evaluation of fever was found to have a redundant loop of the ventricular lead and a vegetation attached to it. An FDG PET/CT revealed a focus of FDG uptake at the ventricular lead loop. Surgical extraction of the pacemaker device confirmed a Propionibacterium acnes pacemaker endocarditis. We hypothesize that the redundant loop of the ventricular lead induced a chronic mechanical stress both to the tricuspid valve and to the lead itself, facilitating the bacterial colonization of the lead.


Subject(s)
Endocarditis, Bacterial/diagnostic imaging , Heart Ventricles/diagnostic imaging , Heart Ventricles/microbiology , Pacemaker, Artificial/microbiology , Positron Emission Tomography Computed Tomography , Propionibacterium acnes/physiology , Prosthesis-Related Infections/diagnostic imaging , Humans , Male , Middle Aged
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