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  • Which Approach Leads to Mor...
    Tang, Alan R; Chanbour, Hani; Steinle, Anthony M; Jonzzon, Soren; Roth, Steven G; Abtahi, Amir M; Stephens, Byron F; Zuckerman, Scott L

    International journal of spine surgery, 04/2023, Letnik: 17, Številka: 2
    Journal Article

    Transforaminal lumbar interbody fusion (TLIF) and posterolateral fusion (PLF) without an interbody device are two common approaches for single-level, open posterior fusion. Presently, it is unknown whether one of these operations leads to better outcomes. We sought to compare reoperation, complication, and readmission rates between TLIF and PLF for patients undergoing elective single-level, open, posterior lumbar fusion. A single-center, retrospective cohort study utilizing prospectively collected data was performed. Inclusion criteria were patients undergoing elective single-level, open, posterior lumbar decompression and fusion between October 2010 and April 2021 with at least 1-year follow-up. The two comparison groups were TLIF vs PLF alone without interbody. The primary outcome was need for reoperation at most recent follow-up. Secondary outcomes included 90-day complication and readmission rates. Univariate and multivariable logistic regression analyses were performed. A total of 850 patients were included, 591 (69.5%) of whom underwent TLIF and 259 (30.5%) of whom underwent PLF. Median follow-up was 6.1 years (interquartile range 3.7-8.9). No significant difference was found in overall reoperation rates (12.4% vs 13.9%, = 0.534). When stratified by <5-year follow-up ( = 231 TLIF, = 85 PLF; 37.2%) and ≥5-year follow-up ( = 360 TLIF, = 174 PLF; 62.8%), no significant differences were seen in either cohort (<5 years: = 24 TLIF vs = 9 PLF, = 0.959; 5+ years: = 49 TLIF vs = 27 PLF, = 0.555). On multivariable logistic regression analysis, the presence of interbody fusion was not associated with reoperation (OR 2.26, 95% CI 0.66-7.74, = 0.194). For patients undergoing elective single-level, open, posterior lumbar fusion without isthmic spondylolisthesis, no differences were seen in reoperation rates at long-term follow-up. Similar 90-day complication and readmission rates were seen. These results suggest that in degenerative lumbar spine disease without isthmic spondylolisthesis, TLIF and PLF achieved similar outcomes.