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Orthopaedic Proceedings
Vol. 106-B, Issue SUPP_19 | Pages 58 - 58
22 Nov 2024
Adan e Silva F dos Santos A Seixas J Rodrigues D Correia AL Cipriano A Abreu M Carvalho A Sousa R
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Aim

Successful management of native Joint septic arthritis (SA) hinges on the timely initiation of appropriate antibiotic therapy coupled with thorough joint debridement. Since 2018 we have implemented a protocol for empirical antibiotic in patients with suspected SA recommending amoxicillin/clavulanate (and cotrimoxazole in cases of beta-lactams allergy) based on local flora. Nevertheless we have recently found that institutional compliance to the protocol is only about 50% and many physicians are still choosing alternative wider spectrum regimens.

The aim of this study is to assess whether current clinical and epidemiological characteristics of patients treated for this condition justify an update or whether previous recommendations are still valid.

Method

All adult patients admitted to our institution with suspected SA between 2018-2022 were retrospectively reviewed. Data was collected from electronic medical records and then compared to similar data previously collected concerning the 2009-2017 period (that served as a basis for the aforementioned protocol).


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_22 | Pages 52 - 52
1 Dec 2017
Sousa A Gouveia P Coutinho L Rodrigues C Fonte H Cipriano A Santos AC Abreu M Amorim I Sousa R
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Aim

Autologous-labeled leukocytes combined with sulfur colloid bone marrow scan is the current imaging modality of choice for diagnosing prosthetic joint infection (PJI). Although this technique is reliable, in-vitro leukocyte labeling raises technical difficulties that limit its widespread use and sulfur colloid is increasingly difficult to obtain. Therefore, valid alternatives are needed. The purpose of our study was to determine the clinical value of 99mTc-sulesomab combined with 99mTc-colloidal rhenium sulphide (nanocolloid) bone marrow imaging in the diagnosis of infection in painful total joint arthroplasties.

Materials and methods

A retrospective study was conducted on a cohort of 53 patients with painful hip or knee prostheses that underwent 99mTc-sulesomab and 99mTc-nanocolloids sequentially, between January 2008 and December 2016. The combined images were interpreted as positive for infection when there was activity on the sulesomab scan without corresponding activity on the bone marrow scan. The final diagnosis was made with microbiological findings or by clinical follow up of at least 12 months.