Segmental instability of the spine following laminectomy or surgical arthrodesis is a common complication that often requires additional surgical intervention. CT-guided trans-facet screw fixation (TFF), performed under local anesthesia, is an innovative and minimally invasive technique that offers an alternative to open surgery under general anesthesia. This study aims to evaluate the effectiveness of CT-guided TFF fixation in reducing pain and improving daily activities in a population of 24 patients who have undergone prior spinal surgeries
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Change in pain levels between pre-intervention and post-intervention measurements.
Timeframe: Baseline) , 1 month post-intervention, 6 months post-intervention, and 1 year post-intervention.