In Two-Stage Revision, utilizing temporary antibiotic spacers is widely accepted. These spacers are available prefabricated or can be individually moulded intraoperatively. In this study, we analysed the efficacy of prefabricated and individual spacers in infection eradication of periprosthetic joint infection in knee and hip arthroplasties. All spacers implanted at a tertiary academic center during two-stage exchanges between June 2010 and December 2019 were retrospectively analysed. Among 249 patients, 167 cases (minimum follow-up ≥ 12 months) were included. Commercial spacers contained vancomycin and gentamycin, while individual spacers contained vancomycin alone. Subgroup analysis by manufacturers was conducted using non-parametric methods including Mann-Whitney U and Kruskal-Wallis tests. Survival analysis utilized Kaplan-Meier curves, and categorical data were analyzed using the Chi² test. Statistical significance was defined as p < 0.05.Aim
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