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Functional outcome of lumbar canal stenosis treated by decompression and fixation

Introduction: Low back pain affects every population and is one of foremost debilitating condition and is considered as one of the most unrewarding problems, especially in the age group 40 –75 years, during the stage of instability. Despite an improving understanding of degenerative disc disease, treatment results vary greatly, and we studied the functional outcomes of lumbar canal stenosis treated by Decompression and Pedicle Screw Fixation.Methods: Our study included a total of 30 diagnosed cases of lumbar intervertebral disc prolapse between age group 40-75 years between February 2018 and February 2019 at KIMS Hospital, Bengaluru, unresponsive to conservative management during the period. The patient’s clinical characteristics had been reviewed prospectively including clinical presentations, preoperative medical comorbidities, intraoperative status, and postoperative status. Oswestry disability index (ODI), visual analog scale (VAS) and patient satisfaction were evaluated before surgery and last follow-up period.Results: There was no significant difference in diagnosis with respect to the level of IVDP and number of levels operated. There were improvements in ODI and VAS and functional outcome of patients before and after the operation. During the average follow-up period, 100% of patients had varying degrees of symptomatic relief. The lumbar interbody fusion with pedicle screw technique provided strong spinal segment fixation and a reliable ground for bone arthrodesis. No patient needed any additional modality of treatment or reoperation for recurrence of symptoms.