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Closing the Gap: The Incidence of Complications in Minimally Invasive Tubular, Endoscopic and Robotic-assisted Procedures Transforaminal Lumbar Interbody Fusion

World Neurosurg. 2024 Jun 22:S1878-8750(24)01060-X. doi: 10.1016/j.wneu.2024.06.101. Online ahead of print.

ABSTRACT

BACKGROUND CONTEXT: The aim of the current study was to compare the incidence of postoperative complications between MIS tubular, endoscopic and Robot-assisted TLIF techniques.

METHODS: Consecutive patients who underwent single or multi-level TLIF between 2020 and 2022. Pre-operative and post-operative patient reported outcomes (VAS Leg and ODI), demographic, and intra-operative variables were recorded. One way ANOVA with Bartlett’s equal-variance and Pearson chi-squared tests were used.

RESULTS: The current study included a total of 170 TLIF patients: 107 (63%) tubular, 42 (25%) endoscopic, and 21 (12%) robot-assisted. All three TLIF techniques had similar complication rates: tubular 6 (5.6%), endoscopic 2 (4.8%), and robot-assisted 1 (4.8%) all occurring within the first two weeks. Tubular TLIF reported the lowest incidence of new onset neurological symptoms, primarily radiculitis or numbness/tingling, at two weeks postoperatively (p<0.05) with 21 (20%) tubular, 17 (41%) endoscopic, and 9 (43%) robot-assisted patients. There were two revisions in the robot-assisted group, while tubular and endoscopic each had one within one year. There was no statistical difference in pre- or postoperative PROs between the TLIF groups.

CONCLUSIONS: The current study demonstrated that tubular, endoscopic, and robot-assisted TLIF procedures had similar complication rates. The tubular MIS TLIF reported less new neurological symptoms compared to endoscopic and robot-assisted TLIF procedures at two weeks postoperative, with all groups declining in symptom persistency at later time intervals. Average VAS scores continuously improved up to one year postoperatively amongst all groups.

PMID:38914133 | DOI:10.1016/j.wneu.2024.06.101

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