الفهرس 
Comparative study between conventional laminectomy and microscopic
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Abstract
Objective: The development of minimally invasive surgical techniques is driven by the search for better patient outcomes. There is some evidence for the use of microsurgical decompression surgery for degenerative lumbar spine stenosis (LSS), but there are few studies comparing outcomes with traditional techniques. The aim of our study was to compare outcomes following Microsurgical decompression ”unilateral laminotomy for bilateral decompression (ULBD)” to a standard 2open3 laminectomy for LSS. Method: We conducted a prospective, randomized trial comparing ULBD to open laminectomy for degenerative LSS. The study enrolled 30 patients between 2017 and 2018, Patient demographic characteristics and clinical characteristics were recorded and clinical outcomes were obtained using pre- and postoperative Neurogenic claudication outcome score (NCOS) scores, visual analog scale (VAS) scores, patient satisfaction index scores. Results: Significant improvements were observed in NCOS and VAS scores for both open and ULBD intervention and patient satisfaction index scores. Conclusions: Based on short-term follow-up, microscopic ULBD is as effective as or open decompression in treatment of LSS with the benefit of respecting the integrity of the neural elements with little amount of blood loss and significant improvement of daily living activities-NCOS