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Relationship between F-18-FDG Uptake in the Oral Cavity, Recent Dental Treatments, and Oral Inflammation or Infection: A Retrospective Study of Patients with Suspected Endocarditis

Dijkstra, G. W., Glaudemans, A. W. J. M., Erba, P. A., Wouthuyzen-Bakker, M., Sinha, B., Vállez García, D., van der Sluis, L. W. M. & Slart, R. H. J. A., Sep-2020, In : Diagnostics. 10, 9, 12 p., 625.

Research output: Contribution to journalArticleAcademicpeer-review

[F-18]-fluorodeoxyglucose positron emission tomography ([F-18]FDG PET/CT) has proven to be a useful diagnostic tool in patients with suspected infective endocarditis (IE), but is conflicting in relation to dental procedures. Questions: Is there a correlation between [F-18]FDG PET/CT findings, recent dental treatment, and an affected oral cavity? (2) Is there a correlation between infective endocarditis (IE), oral health status, and (extra)cardiac findings on [F-18]FDG PET/CT? Methods: This retrospective study included 52 patients. All [F-18]FDG PET/CT scans were examined visually by pattern recognition using a three-point scale and semi-quantified within the volume of interest (VOI) using SUVmax. Results: 19 patients were diagnosed with IE (group 1), 14 with possible IE (group 2), and 19 without IE based on the modified Duke criteria (group 3). No correlation was found between visual PET and SUVmax and sites of oral inflammation and infection. The visual PET scores and SUVmax were not significantly different between all groups. A significant difference in the SUVmax of the valve between all groups was observed. Conclusions: This study suggests that no correlation exists between the PET findings in the oral cavity and dental treatments or inflammation/infection. No correlation between IE, actual oral health status, and extra-cardiac findings was demonstrated. Additional research is needed to conclude whether [F-18]FDG PET/CT imaging is a reliable diagnostic modality for oral inflammation and infection sites.

Original languageEnglish
Article number625
Number of pages12
JournalDiagnostics
Volume10
Issue number9
Publication statusPublished - Sep-2020

    Keywords

  • infective endocarditis, oral health, FDG PET, CT, BACTEREMIA, PET/CT, ACCUMULATION, MANAGEMENT, DISEASES

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