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Despite advances in diagnostic techniques, challenges persist in accurately diagnosing PJI, underscoring the need for effective point-of-care testing (POCT).<jats:italic>Methods<\/jats:italic>: This review examines the current literature and latest developments in POCT for diagnosing PJI, focusing on biomarkers such as alpha-defensin, leukocyte esterase, calprotectin, and C-reactive protein (CRP). Criteria from various societies like the Musculoskeletal Infection Society, Infectious Diseases Society of America, and the International Consensus Meeting were compared to evaluate the effectiveness of these biomarkers in a point-of-care setting.<jats:italic>Results<\/jats:italic>: POCT provides rapid results essential for the timely management of PJI, with alpha-defensin and leukocyte esterase showing high specificity and sensitivity. Recent advancements have introduced novel biomarkers like calprotectin, which demonstrate high diagnostic accuracy. However, challenges such as the variability in test performance and the need for validation under different clinical scenarios remain.<jats:italic>Discussion<\/jats:italic>: While POCT for PJI shows promising results, their integration into clinical practice requires standardized protocols and further validation. The evolution of these diagnostic tools offers a potential shift toward more personalized and immediate care, potentially improving outcomes for patients undergoing TJA.<\/jats:p>","DOI":"10.1051\/sicotj\/2024019","type":"journal-article","created":{"date-parts":[[2024,6,7]],"date-time":"2024-06-07T08:10:49Z","timestamp":1717747849000},"page":"24","source":"Crossref","is-referenced-by-count":12,"title":["Point of care testing for the diagnosis of periprosthetic joint infections: a 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