• Bradley Bagan, Nimesh Patel, Harel Deutsch, James Harrop, Ashwini Sharan, Alexander R Vaccaro, and John K Ratliff.
• Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA.
• Surg Technol Int. 2008 Jan 1;17:281-6.

AbstractThe risk of perioperative complications while adopting minimally invasive spine surgery techniques may slow the acceptance of this technology. We assess the perioperative complication rate with minimally invasive single- and two-level interbody fusions and compare this incidence with a contemporaneous cohort of open single- and two-level open interbody fusions, with all procedures completed by a single surgeon in a single practice group. We compiled all open and MIS interbody fusion cases completed during the study period. Sofamor-Danek X-Tube and Stryker Luxor minimally invasive systems were used on all patients. Medical records were reviewed to assess any adverse events occurring in the perioperative period. Care was taken to include all medical and surgical adverse events and complications occurring within 30 days of surgery. Over the study period, 28 minimally invasive lumbar fusions were identified: 24 single- and 4 two-level cases. Both TLIF and PLIF techniques were used. This cohort was compared with a group of 19 single- and two-level open interbody fusion cases completed over the same period. The complication rate for the MIS cohort was 18%, with 7 complications occurring in 5 patients. In the open group, 8 complications occurred in 7 patients, an incidence of 37%. A standard distribution of complications occurred, and the difference between the two groups was not statistically significant. Limiting our analysis to severe complications yielded rates of 7% and 21% for the two groups, also not significantly divergent. Perioperative complications are not more common in well-selected MIS patients. Allowing for proper patient selection, MIS techniques have a favorable complication profile.

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