Conventional open surgery has been shown to be an effective procedure for LCS decompression. Minimally invasive surgery (MIS) through tubular retractors is a recently introduced alternative procedure for decompression of LCS. The current study aims at evaluating the efficacy of minimally invasive surgery as a decompressive procedure in comparison to conventional open surgery for the treatment of patients with LCS.
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Functional outcome
Timeframe: Change of ODI is being assessed immediate pre operatively, after 3, 6,and 12 months post operatively.
back pain and lower limb pain
Timeframe: using visual analogue scale change of the values is being assessed immediate pre operatively, after 3, 6,and 12 months post operatively.