Our series is the largest in literature on spondylolisthesis and confirms the feasibility and safety of this procedure in treating spondylolisthesis in the aging population. Applying the concept of minimally invasive surgery to this procedure makes it a more complete solution for instrumentation in osteoporotic spine. No events of cement extravasation, radiological loosening, or pulling out of screws were observed.Ĭonclusions: Fenestrated pedicle screw fixation with bone cement augmentation in patients with osteoporosis is a well-established alternative to increase the pullout strength of screws placed in the osteoporotic bone. There was a statistically significant improvement in the VAS scores and ODI scores postoperatively. All the patients were followed clinically and radiologically. The major symptom was low back pain with radiating pain to lower limbs. Results: A total of 25 (20 female and 5 male) patients were included in the study with an average age of 61.05 years. Perioperative, postoperative, and long-term complications were monitored with a mean follow-up of 18 months. Clinical outcome and the function were assessed using the visual analog scale (VAS) score for pain and the Oswestry Disability Index (ODI). Methods: A clinical series of 25 patients with lumbar spondylolisthesis and osteoporosis who underwent minimally invasive TLIF with bone cement-augmented pedicle screws were included in the study. Statistical Analysis Used: Wilcoxon nonparametric test for paired samples with a level of significance of 0.05.
Settings and Design: Prospective, observational, single-center study. Bone cement-augmented fenestrated pedicle screw fixation is a new procedure for fixation in the osteoporotic bone and, applying minimally invasive techniques to the above is a challenging and novel concept.Īims: To evaluate the clinical and radiological outcome of minimally invasive spine surgery transforaminal lumbar interbody fusion (MIS-TLIF) in patients with spondylolisthesis and poor bone quality, performed with rigid instrumentation using bone cement -augmented fenestrated pedicle screws.
Background: Instrumentation in patients with osteoporosis is challenging.
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