• Lei Cheng, Lin Nie, and Li Zhang.
• Orthopaedic and Trauma Department, Qilu Hospital of Shandong University, No.107 Wenhua Xi Road, Jinan, Shandong, 250012, People's Republic of China. chengleiyx@126.com
• Int Orthop. 2009 Aug 1;33(4):1043-7.

AbstractIn this prospective study, our aim was to compare the clinical outcome of posterior lumbar interbody fusion (PLIF) and posterolateral fusion (PLF) in spondylolisthesis. A total of 138 patients with spondylolisthesis were randomly assigned to two groups: those operated on with pedicle screw fixation and posterior lumbar interbody fusion by autografting (PLIF), and those operated on with pedicle screw fixation and posterolateral fusion by autografting (PLF). The patients were followed-up for four years. Clinical evaluation was carried out using the Oswestry disability index (ODI) and pain index (VAS). Radiography was performed preoperatively and postoperatively to assess the fusion. Both surgical procedures were effective, but the PLF group showed more complications related to hardware biomechanics. There was no significant statistical difference in clinical and functional outcome in the two groups. The PLIF group presented a better fusion rate than the PLF group.

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