2023

• Johansen, Tonje Okkenhaug; Holmberg, Siril Therese; Danielsen, Elisabet; Rao, Vidar; Salvesen, Øyvind Olav; Andresen, Hege. (2023) Long-Term Results After Surgery for Degenerative Cervical Myelopathy. Neurosurgery
  Academic article
• Hara, Sozaburo; Andresen, Hege; Solheim, Ole Skeidsvoll; Carlsen, Sven Magnus; Jakola, Asgeir Store; Salvesen, Øyvind Olav. (2023) Six-Month Follow-up of a Trial of Spinal Cord Burst Stimulation vs Placebo Stimulation and Disability in Patients With Chronic Radicular Pain After Lumbar Spine Surgery. Journal of the American Medical Association (JAMA)
  Academic article

2022

• Hara, Sozaburo; Andresen, Hege; Solheim, Ole; Carlsen, Sven Magnus; Sundstrøm, Terje; Lønne, Greger. (2022) Effect of Spinal Cord Burst Stimulation vs Placebo Stimulation on Disability in Patients With Chronic Radicular Pain After Lumbar Spine Surgery: A Randomized Clinical Trial. Journal of the American Medical Association (JAMA)
  Academic article

2021

• Johansen, Tonje Okkenhaug; Sundseth, Jarle Østberg; Fredriksli, Oddrun; Andresen, Hege; Zwart, John-Anker; Kolstad, Frode. (2021) Effect of Arthroplasty vs Fusion for Patients With Cervical Radiculopathy: A Randomized Clinical Trial. JAMA Network Open
  Academic article

2016

• Sundseth, Jarle Østberg; Fredriksli, Oddrun; Kolstad, Frode; Johnsen, Lars Gunnar; Pripp, Are Hugo; Andresen, Hege. (2016) The Norwegian Cervical Arthroplasty Trial (NORCAT): 2-year clinical outcome after single-level cervical arthroplasty versus fusion—a prospective, single-blinded, randomized, controlled multicenter study. European spine journal
  Academic article
• Sundseth, Jarle Østberg; Jacobsen, Eva Astrid; Kolstad, Frode; Sletteberg, Ruth; Nygaard, Øystein Petter; Johnsen, Lars Gunnar. (2016) Heterotopic ossification and clinical outcome in nonconstrained cervical arthroplasty 2 years after surgery: the Norwegian Cervical Arthroplasty Trial (NORCAT). European spine journal
  Academic article

2015

• Sundseth, Jarle Østberg; Kolstad, Frode; Johnsen, Lars Gunnar; Pripp, Are Hugo; Nygaard, Øystein Petter; Andresen, Hege. (2015) The Neck Disability Index (NDI) and its correlation with quality of life and mental health measures among patients with single-level cervical disc disease scheduled for surgery. Acta Neurochirurgica
  Academic article
• Meisingset, Ingebrigt; Woodhouse, Astrid; Stensdotter, Ann-Katrin; Stavdahl, Øyvind; Lorås, Håvard W.; Gismervik, Sigmund Østgård. (2015) Evidence for a general stiffening motor control pattern in neck pain: A cross sectional study. BMC Musculoskeletal Disorders
  Academic article
• Lønne, Greger; Johnsen, Lars Gunnar; Aas, Eline; Lydersen, Stian; Andresen, Hege; Rønning, Roar Eng. (2015) Comparing Cost-effectiveness of X-Stop with Minimally Invasive Decompression in Lumbar Spinal Stenosis: A Randomized Controlled Trial. Spine
  Academic article
• Lønne, Greger; Johnsen, Lars Gunnar; Rossvoll, Ivar; Andresen, Hege; Storheim, Kjersti; Zwart, John-Anker. (2015) Minimally invasive decompression versus x-stop in lumbar spinal stenosis: A randomized controlled multicenter study. Spine
  Academic article

2014

• Johnsen, Lars Gunnar; Hellum, Christian; Storheim, Kjersti; Nygaard, Øystein Petter; Brox, Jens Ivar; Rossvoll, Ivar. (2014) Cost-effectiveness of total disc replacement versus multidisciplinary rehabilitation in patients with chronic low back pain: A norwegian multicenter RCT. Spine
  Academic article

2010

• Kolstad, Frode; Nygaard, Øystein Petter; Andresen, Hege; Leivseth, Gunnar. (2010) Anterior Cervical Arthrodesis Using a "Stand Alone" Cylindrical Titanium Cage Prospective Analysis of Radiographic Parameters. Spine
  Academic article

2009

• Nygaard, Øystein P; Myran, Rigmor; Zwart, John-Anker; Kvistad, Kjell Arne; Rø, Magne; Andresen, Hege. (2009) Clinical characteristics and functional disability and relation to alar ligament MRI findings on MRI. Scnadinavian Neurosurgical Society
  Abstract

2008

• Sundseth, J; Bliksås, Andreas; Kolstad, Frode; Lied, B.; Zwart, John-Anker; Myrseth, E. . (2008) Behandling av cervikal radikulopati med fremre diskektomi og innsetting av skiveprotese eller bur (CAGE). Kliniske, billedmessige og biomekansike aspekter. En nasjonal randomisert multisenter studie. Vitenskapelige forhandlinger - De norske kirurgiske foreninger
  Abstract
• Myran, Rigmor; Kvistad, Kjell Arne; Nygaard, Øystein P; Nygaard, OP; Andresen, H; Folvik, M. (2008) Magnetic resonance imaging assessment of the alar ligaments in whiplash injuries - A case-control study. Spine
  Academic article

2007

• Myran, Rigmor; Kvistad, Kjell Arne; Andresen, Hege; Folvik, M.; Zwart, John-Anker; Nygaard, Øystein P. (2007) MR diagnostikk av alarligamentere etter whiplash. Nakkesleng og cervikobrachialgi. Tverrfaglige seminarer i Tønsberg: Rapport
  Abstract
• Nygaard, Øystein P; Lønne, Greger; Husby, P; Grundnes, O; Rossvoll, Ivar; Johnsen, Lars Gunnar. (2007) Sammenligning av to kirurgiske metoder for behandling av sentral spinal stenose. Presentasjon av protokollen for en nasjonal multisenterstudie. Vitenskapelige forhandlinger - De norske kirurgiske foreninger
  Abstract