• Wazzan S Aljuhani, Abdullah M Alanazi, Mohammad A Alghafees, Sondos H Sagor, and Ali A Alhandi.
• From the Department of Surgery (Aljuhani, Alhandi), Ministry of National Guard Health Affairs; from King Abdullah International Medical Research Center (Aljuhani, Alanazi, Alghafees); from the College of Medicine (Aljuhani, Alanazi, Alghafees), King Saud bin Abdulaziz University for Health Sciences and from the Department of Biostatistics (Sagor), Prince Sultan Military Medical City, Riyadh, Kingdom of Saudi Arabia.
• Saudi Med J. 2021 May 1; 42 (5): 550-554.

ObjectivesTo assess the efficacy of vancomycin powder (VP) in total knee arthroplasty (TKA).MethodsThe study design was retrospective cohort. All patients who underwent primary TKA for osteoarthritis between January 1, 2018, and March 1, 2020, in King Abdulaziz Medical City, Riyadh, Saudi Arabia were included (n=98). Of the total participants, 48 participants in the experimental group matched with 48 participants in the control group were included in the final study sample. Numerical variables are reported as means, standard deviations, and standard errors. The hypothesis was tested using the Chi-square test and independent t-test.ResultsIn comparison to the control group, intraoperative vancomycin powder (VP) did not decrease surgical site infection risk in the experimental group (p=0.31).ConclusionWe found no significant differences in the infection rates following primary TKA when using VP.Copyright: © Saudi Medical Journal.

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