Minimally invasive transforaminal lumbar interbody fusion and spondylolisthesis (original) (raw)

Journal of Clinical Neuroscience, 2012

Abstract

The purpose of this study was to assess the clinical and radiological outcomes of minimally invasive transforaminal lumbar interbody fusion (MI-TLIF) surgery for lumbar spondylolisthesis. A prospective analysis was conducted of 23 consecutive patients with grade I or grade II lumbar spondylolisthesis who underwent a MI-TLIF using image guidance between August 2008 and September 2010. The patient group comprised 13 males and 10 females (mean age 57 years), 22 of whom underwent single level fusion and one patient with a two level fusion. All patients underwent postoperative CT scans to assess pedicle screw and cage placement and fusion at six months. The Oswestry Disability Index (ODI) scores were recorded preoperatively and at the six-month follow-up. We found that 22 of 23 (95.7%) patients showed evidence of fusion at six months with a mean improvement of 26.7 on ODI scores. The mean length of hospital stay was four days. The mean operative time was 172 minutes. Anatomical reduction of the spondylolisthesis was complete in 16 patients and incomplete in seven. Regarding complications, we observed: one of 94 (1.1%) pedicle screws misplaced, which did not require revision postoperatively; one of 23 patients (4.3%) with a pulmonary embolism and one of 23 (4.3%) patients with transient nerve root pain. There were no occurrences of infection and no postoperative cerebrospinal fluid leaks. We conclude that MI-TLIF offers patients a safe and effective surgical option for lumbar spondylolisthesis treatment. Furthermore, it may offer patients additional advantages in terms of postoperative pain and recovery.

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