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Ly, Kim-Heang; Costedoat-Chalumeau, Nathalie; Liozon, Eric; Dumonteil, Stéphanie; Ducroix, Jean-Pierre; Sailler, Laurent; Lidove, Olivier; Bienvenu, Boris; Decaux, Olivier; Hatron, Pierre-Yves; Smail, Amar; Astudillo, Léonardo; Morel, Nathalie; Boutemy, Jonathan; Perlat, Antoinette; Denes, Eric; Lambert, Marc; Papo, Thomas; Cypierre, Anne; Vidal, Elisabeth; Preux, Pierre-Marie; Monteil, Jacques; Fauchais, Anne-Laure
Journal of clinical medicine, 01/2022, Volume: 11, Issue: 2Journal Article
Fluorodesoxyglucose Positron Emission Tomography (PET/CT) has never been compared to Chest-Abdomen-Pelvis CT (CAPCT) in patients with a fever of unknown origin (FUO), inflammation of unknown origin (IUO) and episodic fever of unknown origin (EFUO) through a prospective and multicentre study. In this study, we investigated the diagnostic value of PET/CT compared to CAPCT in these patients. The trial was performed between 1 May 2008 through 28 February 2013 with 7 French University Hospital centres. Patients who fulfilled the FUO, IUO or EFUO criteria were included. Diagnostic orientation (DO), diagnostic contribution (DC) and time for diagnosis of both imaging resources were evaluated. One hundred and three patients were included with 35 FUO, 35 IUO and 33 EFUO patients. PET/CT showed both a higher DO (28.2% vs. 7.8%, < 0.001) and DC (19.4% vs. 5.8%, < 0.001) than CAPCT and reduced the time for diagnosis in patients (3.8 vs. 17.6 months, = 0.02). Arthralgia (OR 4.90, = 0.0012), DO of PET/CT (OR 4.09, = 0.016), CRP > 30 mg/L (OR 3.70, = 0.033), and chills (OR 3.06, = 0.0248) were associated with the achievement of a diagnosis (Se: 89.1%, Sp: 56.8%). PET/CT both orients and contributes to diagnoses at a higher rate than CAPCT, especially in patients with FUO and IUO, and reduces the time for diagnosis.
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