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Effect of intrawound vancomycin application in spinal surgery on the incidence of surgical site infection: a meta-analysis

Authors Tailaiti A, Shang J, Shan S, Muheremu A

Received 25 August 2018

Accepted for publication 11 October 2018

Published 31 October 2018 Volume 2018:14 Pages 2149—2159


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Deyun Wang

Abuduwufuer Tailaiti,1,* Jun Shang,2,* Shuo Shan,3 Aikeremujiang Muheremu4

1Department of Orthopedic Surgery, Urumqi Friendship Hospital, Xinjiang 86830049, China; 2Department of Orthopedics, People’s Hospital of Linfen, Shanxi, 86041000, China; 3Department of Spine Surgery, Traditional Chinese Hospital Affiliated With Xinjiang Medical University, Xinjiang 86830000, China; 4Department of Spine Surgery, Sixth Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 86830001, China

*These authors contributed equally to this work

Background: Despite great advances in aseptic surgical techniques, surgical site infection (SSI) is still one of the main complications after spine surgery. SSI can bring tremendous physical, psychological, and economic challenges to patients. Intrawound vancomycin application is a much disputed method for the prevention of SSI after spine surgery.
Objective: The aim of this study is to review the current literature for studies on the intrawound application of vancomycin powder and to analyze its effectiveness in the prevention of postoperative SSI.
Methods: PubMed, Medline, Elsevier, and CNKI were searched for the key words “vancomycin”, “local/intraoperative/topical/intra-wound”, “spine/spinal/lumbar/cervical/thoracolumbar surgery”, “infection”, and “SSI” in published studies on the effectiveness of intrawound vancomycin application to prevent postoperative SSI. RevMan 5.3 was used to compare the data extracted from the studies included.
Results: A total of 27 studies involving 17,321 patients were included in the final analysis. Among those patients, 7,423 patients were treated with vancomycin to prevent SSI, with 9,898 in control groups. SSI incidence after surgery in experimental groups was 0.39 times as high as control groups, and this difference was statistically significant (P<0.01). Among patients who underwent internal fixation, vancomycin application significantly reduced the incidence of postoperative SSI (OR 0.31 95% CI 0.19–0.50; P<0.01). Meanwhile, vancomycin did not affect SSI incidence in patients who did not receive internal fixation (P=0.17) or received deformity correction (P=0.25).
Conclusion: SSI incidence after spinal surgery can be significantly reduced by intrawound application of vancomycin in most circumstances. This method can be applied in various spinal procedures involving instrumentation to prevent postoperative SSI.

Keywords: spinal surgery, vancomycin, intrawound, surgical site infection, prevention, meta-analysis

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