Infection rate in 212 consecutive patients treated by minimally invasive lumbar tubular decompression
Abstract
Introduction: Surgical site infections (SSI) can lead to prolonged antibiotic treatments, increased hospital stays, and repeated operations. Small incisions and the possibility of avoiding subperiosteal dissection in minimally invasive surgery can minimize the risk of postoperative infections. However, there is a shortage of literature on infections after mini-invasive procedures. Objective: To evaluate retrospectively a series of patients consecutively operated on with minimally invasive technique and the incidence of postoperative infection. Materials and Methods: Patients undergoing posterior lumbar surgery with tubular retractors and microscope in our department between January 2015 and January 2018 were included. The procedures performed included tubular discectomies, lumbar stenosis decompressions, and synovial cyst resections. The incidence of postoperative SSIs was calculated and compared with the literature range for SSI rates. Results: A total of 212 patients underwent non-instrumented surgeries (discectomies, decompressions). The mean age was 62.4 years with a male:female ratio of 1.27:1. Only one patient had SSI, which was diagnosed on day 9 and treated by reoperation, surgical toilet of the wound, and antibiotic therapy. Conclusion: The infection rate was 0.47%. Minimally invasive surgery can significantly reduce the SSI rate and can be an effective tool in minimizing hospital costs. Level of Evidence: IVDownloads
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