• Am. J. Med. Sci. · Jan 2024

    Performance of classical serum inflammatory markers in healed and unhealed treated patients with joint and prosthetic joint infections.

    • Enrico Maria Zardi, Edoardo Giovannetti de Sanctis, and Francesco Franceschi.
    • Internistic Ultrasound Service, Department of Medicine and Surgery, Fondazione Policlinico Universitario Campus Bio-Medico, Rome, Italy. Electronic address: e.zardi@policlinicocampus.it.
    • Am. J. Med. Sci. 2024 Jan 1; 367 (1): 283428-34.

    BackgroundSerum markers, such as erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and D-dimer, are currently used by clinicians and orthopedic surgeons in diagnosing and managing joint infections (JI), although conflicting results exist on their performance. The aim of this study was to evaluate their performance in assessing healing or unhealing of patients with JI or with prosthetic joint infection (PJI).MethodsESR, CRP and D-dimer serum levels were evaluated before, during and after antibiotic treatment in 61 patients (65.1 ± 12.6 years): 49 affected by PJI and 12 by JI, between 2020 and 2022. These patients had undergone orthopedic surgery and were treated with antibiotics.ResultsESR, CRP and D-dimer were significantly lower after treatment than before (p value: 0.001, 0.001 and 0.003, respectively) in healed and unhealed patients. A moderate correlation was found between the three inflammatory markers.ConclusionsUsing a cut off value of 25 mm/h for ESR, 0.5 mg/L for CRP, and 700 ng/ml for D-dimer, it might be possible to discriminate healed from unhealed patients (PPV and NPV: ESR 65.5% and 68.8%, CRP 71.9% and 79.3%, D-dimer 76.9% and 81.8%). The combined use of these three inflammatory markers might be useful in the management of joint infections.Copyright © 2023 Southern Society for Clinical Investigation. Published by Elsevier Inc. All rights reserved.

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