• Helen Michaela de Oliveira, Lucas Mendes Barbosa, Fernanda Valeriano Zamora, Bruna Oliveira de Paula, Guilherme Oliveira de Paula, Julie G Pilitsis, and Pablo Ramon Fruett da Costa.
• Department of Medicine, Federal University of Mato Grosso, Sinop, Mato Grosso, Brazil.
• Neurosurgery. 2024 Nov 1.

Background And ObjectivesNeuromodulation is an advanced therapeutic intervention for managing various neurological, psychiatric, and functional disorders. However, a significant challenge is the risk of infections at the device implantation site. Previous studies have shown that antibacterial envelopes used in cardiovascular surgeries significantly reduce infection risk. It is postulated that similar benefits could occur in neurosurgeries involving implant insertion, but the literature lacks studies analyzing this efficacy. This study aimed to evaluate the effectiveness of antibacterial envelopes in reducing infection rates associated with neuromodulation implants.MethodsWe systematically searched PubMed, Embase, and the Cochrane Central Register of Controlled Trials databases up to August 2024 for clinical trials comparing the use of antibacterial impregnated envelopes in patients undergoing neuromodulation-related implant insertion. This study followed Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. Statistical analyses were performed using R version 4.3.2. Risk of bias was assessed using the Risk Of Bias In Nonrandomized Studies-of Interventions tool, and the quality of evidence was evaluated using the Grading of Recommendations Assessment, Development and Evaluation assessment. The study was registered in Prospective Register of Systematic Reviews.ResultsFour studies, comprising 1242 patients, were included, of whom 704 (56.7%) received antibacterial envelopes. The pooled analysis showed that the odds of infection were 77% lower in patients using the antibacterial envelope compared with the control group (odds ratios = 0.23; 95% CI = 0.10-0.51; P < .001; I2 = 2%).ConclusionThe use of an antibacterial envelope significantly reduces the odds of infection in patients undergoing neuromodulation-related implant insertion by 77%. These findings underscore the potential of antibacterial envelopes to improve postoperative outcomes.Copyright © Congress of Neurological Surgeons 2024. All rights reserved.

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