Gallium-67 Myocardial Imaging for the Detection of Bacterial Endocarditis

Authors:
  • JWJosephine Wiseman
    Josephine Wiseman
  • JRJacques Rouleau
    Jacques Rouleau
  • PRPierre Rigo
    Pierre Rigo
  • HSH. William Strauss
    H. William Strauss
  • BPBertram Pitt
    Bertram Pitt

Abstract
Eleven patients with a clinical diagnosis of bacterial endocarditis underwent scintillation scanning of the precordial region 2-7 days after the intravenous administration of 3 mCi of gallium-67 citrate. Seven had positive scans, 3 of which were confirmed by postmortem imaging at autopsy. Serial images revealed the scans to be frequently negative at 48 hours and positive from 3 to 8 days following injection. Uptake was not seen in the region of the myocardium 48 hours or longer after the injection of 15 patients without endocarditis used as controls.

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