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Three Different Minimally Invasive Decompression Techniques For Lumbar Spinal Stenosis

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Ace Report Cover
July 2025

Three Different Minimally Invasive Decompression Techniques For Lumbar Spinal Stenosis

Vol: 307| Issue: 7| Number:43| ISSN#: 2564-2537
Study Type:Therapy
OE Level Evidence:1
Journal Level of Evidence:1

ISSLS Prize in Clinical Science 2025: A randomized trial on three different minimally invasive decompression techniques for lumbar spinal stenosis. Five years follow-up from the NORDSTEN-SST.

Eur Spine J . 2025 May;34(5):1590-1599.

Contributing Authors:
E Hermansen K Indrekvam E Franssen TÅ Myklebust IM Austevoll C Hellum K Storheim IF Bånerud EK Ebbs J Aaen H Banitalebi JI Brox C Weber T Solberg A Hjulstad H Brisby

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Synopsis

Four hundred thirty-seven patients with lumbar spinal stenosis were randomized to receive either unilateral laminotomy with crossover (UL, n=122), bilateral laminotomy (BL, n=119), or spinous process osteotomy (SPO, n=117). The primary outcome of interest was the mean change in Oswestry Disability Index (ODI) score at five years. Secondary outcomes included the proportion of patients classified as...

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