Comparison of Classical Laminectomy and Transspinous- Split Laminectomy Techniques

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Classical laminectomy (CL) is the gold standard treatment of lumbar spinal stenosis (LSS) and it succeeds at 56 to 85 percent of the patients. However, in long term, it is associated with high complication ratios (back pain, spinal instability and paraspinal muscle atrophy), long hospital rest and healing time, and high blood losses. After operation microscopes started to be used, minimal invasive operation techniques started to develop. In 2002, Shiraishi defined split laminectomy technique at cervical spine which protected the paraspinal muscles bilaterally and in 2005; it is modified to be used at lumbar vertebras by Kota Watanabe. In the following years, related publications supported the effectiveness of this surgical technique.

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