• World Neurosurg · Apr 2024

    A Tubular-Mounted Digital Camera (TMDC) versus Optical Surgical Microscope (OSM) for Minimally Invasive Lumbar Decompression Surgery: The impact on Operative Times, Ergonomics, and Workflow.

    • Philip K Louie, Murad Alostaz, Aiyush Bansal, Caroline E Drolet, Purnima Gyawali, Nadia Khan, Nicole Vivelo, and Farrokh Farrokhi.
    • Center for Neurosciences and Spine, Department of Neurosurgery, Virginia Mason Franciscan Health, Seattle, Washington, USA. Electronic address: Philip.louie@virginiamason.org.
    • World Neurosurg. 2024 Apr 1; 184: e65e71e65-e71.

    ObjectiveUnderstanding ergonomic impact is foundational to critically evaluating value and safety of enabling technologies in minimally invasive spine surgeries. This study assessed the impact of a tubular-mounted digital camera (TMDC) versus an optical surgical microscope (OSM) in single-level minimally invasive spine surgeries on operative times, durotomy rate, surgeon ergonomics, safety, and operating room workflow.MethodsThis retrospective study compared consecutive single-level minimally invasive lumbar decompression surgeries in a TMDC cohort (September 2021-June 2022) with an historical OSM cohort (January 2020-July 2021). Data included patient demographics, operative times, durotomy incidence, surgeon ergonomics (Rapid Entire Body Assessment scores), and equipment impact via staff surveys. Operative times were assessed by t test, while Pearson χ2 test compared sex. Age, body mass index, and Charlson Comorbidity Index comparisons were made by Wilcoxon rank sum tests, and survey results were analyzed with Wilcoxon signed rank tests.ResultsTMDC and OSM groups included 74 and 82 patients, respectively. Age, sex, and Charlson Comorbidity Index did not significantly differ between groups. The TMDC group had a higher body mass index (29.6 ± 5.1) than the OSM group (29.0 ± 7.5) (P = 0.04). The TMDC group had significantly shorter operative times (57.3 ± 16.6 minutes) than the OSM group) (66.7 ± 22.5 minutes) (P = 0.004), with no difference in durotomy rates (P = 0.42). TMDC use yielded lower Rapid Entire Body Assessment scores compared with OSM (4.1 ± 0.77) (P < 0.001). Surveys indicated improved safety, setup time, and workflow with TMDC (P < 0.001).ConclusionsTMDC in single-level minimally invasive lumbar decompression surgery improved surgeon ergonomics, reduced operative times, and maintained durotomy rates, enhancing operating room efficiency. Evaluating ergonomic impact of technology is vital for safety and value assessment.Copyright © 2024 Elsevier Inc. All rights reserved.

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