Journal
JOURNAL OF NUCLEAR MEDICINE
Volume 49, Issue 10, Pages 1601-1605Publisher
SOC NUCLEAR MEDICINE INC
DOI: 10.2967/jnumed.108.053462
Keywords
graft infection; imaging; nuclear medicine; F-18-FDG; PET/CT; vascular surgery
Funding
- SWEDVASC Steering Committee
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Graft infection is a serious complication to vascular surgery. The aim of this study was to assess F-18-FDG uptake in vascular grafts in patients with or without symptoms of graft infection. Methods: In all 2,045 patients examined by PET/CT at our clinic, 16 patients with synthetic aortic grafts were identified and reevaluated for F-18-FDG accumulation. Clinical and biochemical data were obtained from patient records. Results: High F-18-FDG uptake was found in 10 of 12 grafts in the patients who underwent open surgery and in 1 of 4 grafts in patients who underwent endovascular aneurysm repair. On the basis of biochemical and clinical data, it was concluded that 1 of the 16 patients had a graft infection at the time of investigation. Conclusion: F-18-FDG uptake in vascular grafts was found in the vast majority of patients without graft infection. The risk of a false-positive diagnosis of graft infection by F-18-FDG PET/CT is evident.
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