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KMID : 1040920220070010046
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Journal of Minimally Invasive Spine Surgery and Technique
2022 Volume.7 No. 1 p.46 ~ p.52
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Single Incision Tubular Decompression to Treat Multi-level Lumbar Spinal Stenosis: A Retrospective Review
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Kulkarni Arvind Gopalrao
Khandge Ashwin Kumar V.
Yeshwanth Thonangi
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Abstract
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Objective: To evaluate the technical feasibility and assess the clinical outcomes of tubular decompression (TD) in cases of multilevel lumbar canal stenosis operated through a single incision. TD has established itself in the surgical management of single level lumbar stenosis. Literature on performance of TD for multilevel stenosis through a single incision are non-existent.
Methods: All patients undergoing TD for multilevel lumbar stenosis through a single incision from January 2007 to January 2018 were included. Patient demographics, operative and peri-operative details were documented. Patient based clinical outcomes, namely Visual Analogue Scale (VAS) scale for back and leg pain and Oswestry Disability Index (ODI) were assessed.
Results: Favorable tube trajectory and adequate decompression could be achieved through a single incision to decompress multiple levels. The VAS improved from mean 3±1.5 (2?5) to 2±0.8 (1?4) and 7±1.4 (4?9) to 2±1 (1?5) for back and leg pain respectively; while the ODI improved from a mean 44.6±8.6 (32?68) to 20.2±5.3 (16?42) at 3 months post-op and was maintained at 1±0.8 (1?4), 1.6±0.67 (1?3) and 19±2.9 (16?26) respectively at 2 years follow-up.
Conclusion: TD for multilevel stenosis done through a single incision is a feasible option with good to excellent results.
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KEYWORD
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Multi-level lumbar spinal stenosis, Micro-lumbar decompression, Lumbar canal stenosis, Neurogenic claudication, Tubular decompression, Micro-endoscopic decompression
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