• Connor Zale, Marc Nicholes, Serena Hu, and JMatthew Cage.
• Tripler Army Medical Center, 1 Jarrett White Rd. Medical Center, Honolulu, HI, 96859, USA. Connor.zale11@gmail.com.
• Eur Spine J. 2023 Dec 1; 32 (12): 425942644259-4264.

PurposeIt is unclear if intra-wound vancomycin powder significantly reduces the infection rate for uninstrumented spine surgery. The purpose of this study is to compare the rate of surgical site infection (SSI) in uninstrumented spine surgery that used vancomycin powder against controls.MethodsA search was performed on PUBMED/MEDLINE, Cochrane Database and Embase on 14 October 2022. Search keywords were "vancomycin, spine surgery, uninstrumented and spinal surgery." Instrumented cases were excluded. Type of surgery, type of treatment and incidence of infection among experimental or control were recorded.Results288 articles were obtained from a literature search. 16 studies met inclusion criteria. 6/16 studies that reported on the infection rate using vancomycin were obtained. There were 1376 control cases with 20 cases of post-operative infection (1.45% overall). There were 795 cases that received prophylactic intra-wound vancomycin powder with 10 cases of infection reported (1.26%). There was no significant difference in infections between cases that received vancomycin compared to control. On subgroup analysis, studies that had a high rate of infection (Strom and Cannon) had a significant difference on the rate of infection with the use of vancomycin compared to control.Discussion And ConclusionThe current study was unable to conclude that vancomycin decreased the rate of surgical site infections. Vancomycin use may be useful in populations that have a high rate of infection. Limitations in this study include the small number of studies that report on the use of vancomycin on uninstrumented spine surgery.© 2023. This is a U.S. Government work and not under copyright protection in the US; foreign copyright protection may apply.

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