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Jørn Aaen

Observed names: Aaen, Jørn, Dr. Jørn Aaen, J. Aaen, Jorn Aaen
Observed institutions: Norwegian University of Science and Technology, Stavanger University Hospital, Levanger Hospital, Ålesund Hospital, Helse Møre og Romsdal HF, Helse Nord-Trøndelag HF, University of Bergen
ORCID: 0000-0002-4586-8415
Observed ORCID: 0000-0002-4586-8415
OpenAlex ID: A5033407038
Comparison of 3 Different Minimally Invasive Surgical Techniques for Lumbar Spinal Stenosis: A Randomized Clinical Trial
2022 · Erland Hermansen, Ivar Magne Austevoll, et al. · JAMA Network Open · 79
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Clinical and MRI findings in lumbar spinal stenosis: baseline data from the NORDSTEN study
2021 · Jørn Aaen, Ivar Magne Austevoll, et al. · European Spine Journal · 43
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Study-protocol for a randomized controlled trial comparing clinical and radiological results after three different posterior decompression techniques for lumbar spinal stenosis: the Spinal Stenosis Trial (SST) (part of the NORDSTEN Study)
2017 · Erland Hermansen, Ivar Magne Austevoll, et al. · BMC Musculoskeletal Disorders · 35
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Reliability of preoperative MRI findings in patients with lumbar spinal stenosis
2022 · Hasan Banitalebi, Ansgar Espeland, et al. · BMC Musculoskeletal Disorders · 31
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Decompression alone versus decompression with instrumental fusion the NORDSTEN degenerative spondylolisthesis trial (NORDSTEN-DS); study protocol for a randomized controlled trial
2019 · Ivar Magne Austevoll, Erland Hermansen, et al. · BMC Musculoskeletal Disorders · 26
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The association between preoperative MRI findings and clinical improvement in patients included in the NORDSTEN spinal stenosis trial
2022 · Jørn Aaen, Hasan Banitalebi, et al. · European Spine Journal · 23
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Clinical outcome after surgery for lumbar spinal stenosis in patients with insignificant lower extremity pain. A prospective cohort study from the Norwegian registry for spine surgery
2019 · Erland Hermansen, Tor Åge Myklebust, et al. · BMC Musculoskeletal Disorders · 23
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Postoperative Dural Sac Cross-Sectional Area as an Association for Outcome After Surgery for Lumbar Spinal Stenosis: Clinical and Radiological Results From the NORDSTEN-Spinal Stenosis Trial
2023 · Erland Hermansen, Tor Å. Myklebust, et al. · Spine · 20
A novel MRI index for paraspinal muscle fatty infiltration: reliability and relation to pain and disability in lumbar spinal stenosis: results from a multicentre study
2022 · Hasan Banitalebi, Jørn Aaen, et al. · European Radiology Experimental · 19
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Comparable increases in dural sac area after three different posterior decompression techniques for lumbar spinal stenosis: radiological results from a randomized controlled trial in the NORDSTEN study
2020 · Erland Hermansen, Ivar Magne Austevoll, et al. · European Spine Journal · 19
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What Is the Influence of Weight Change on Forearm Bone Mineral Density in Peri- and Postmenopausal Women? The Health Study of Nord-Trøndelag, Norway
2006 · Siri Forsmo, Jørn Aaen, et al. · American Journal of Epidemiology · 19
Is the presence of foraminal stenosis associated with outcome in lumbar spinal stenosis patients treated with posterior microsurgical decompression
2023 · Jørn Aaen, Hasan Banitalebi, et al. · Acta Neurochirurgica · 17
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Preoperative fatty infiltration of paraspinal muscles assessed by MRI is associated with less improvement of leg pain 2 years after surgery for lumbar spinal stenosis
2024 · Hasan Banitalebi, Erland Hermansen, et al. · European Spine Journal · 14
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Do patients with lumbar spinal stenosis benefit from decompression of levels with adjacent moderate stenosis? A prospective cohort study from the NORDSTEN study
2024 · Sara Tronstad, Knut Jørgen Haug, et al. · The Spine Journal · 14
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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
2024 · Erland Hermansen, Kari Indrekvam, et al. · European Spine Journal · 7
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No long term benefit of decompression of a borderline lumbar spinal stenosis level adjacent to a more stenotic index level
2025 · Erland Hermansen, Eric Franssen, et al. · European Spine Journal · 6
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Postoperative dural SAC cross-sectional area as an association for outcome after surgery for lumbar spinal stenosis. Clinical and radiological results from the NORDSTEN-spinal stenosis trial
2023 · E. Hermansen, T.Å. Myklebust, et al. · Brain and Spine · 5
Adjacent Level Canal Area Changes up to Two Years After Lumbar Spinal Stenosis Decompressive Surgery
2024 · Helena Brisby, Tor Åge Myklebust, et al. · Spine · 3
Clinical Importance of Redundant Nerve Roots in Patients With Symptomatic Lumbar Spinal Stenosis: A Secondary Analysis of NORDSTEN Spinal Stenosis Trial Data
2024 · Eric Franssen, Clemens Weber, et al. · Spine · 3
Do patients with lumbar spinal stenosis benefit from decompression of levels with adjacent moderate stenosis? A prospective cohort study from the NORDSTEN-study
2023 · S. Tronstad, K.J. Haug, et al. · Brain and Spine · 2
Persistent redundant nerve roots two years after decompression for lumbar spinal stenosis: clinical outcomes and radiologic findings—a secondary analysis of the NORDSTEN spinal stenosis trial
2026 · Eric Franssen, Clemens Weber, et al. · European Spine Journal
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Low risk of underestimating dural sac cross-sectional area with conventional MRI: Insights from Axial-loaded MRI after decompression for lumbar spinal stenosis
2026 · Hasan Banitalebi, Erland Hermansen, et al. · Research Square
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Agreement of CT versus MRI in reinvestigation of patients operated for lumbar spinal stenosis. a comparison of surgically and non-surgically treated levels
2026 · Erland Hermansen, Helena Brisby, et al. · European Spine Journal
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Correction to: 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
2025 · Erland Hermansen, Kari Indrekvam, et al. · European Spine Journal
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No long term benefit of decompression of a borderline lumbar spinal stenosis level adjacent to a more stenotic index level. Five years follow up of The NORDSTEN-SST
2025 · E. Hermansen, E. Franssen, et al. · Brain and Spine
Works count: 33
Citation count: 408
H-index: 14
I10-index: 14
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