• Adjacent Disc Degeneration After Lumbar Total Disc Replacement or Non-operative Treatment: A Randomized Study With Eight-year Follow-up 

      Furunes, Håvard; Hellum, Christian; Espeland, Ansgar; Brox, Jens Ivar; Småstuen, Milada C; Berg, Linda; Storheim, Kjersti (Peer reviewed; Journal article, 2018-12)
      Study Design. A randomized controlled multicenter trial with 8-year follow-up. Objective. The aim of this study was to assess the long-term development of adjacent disc degeneration (ADD) after lumbar total disc replacement (TDR) ...
    • Comparison of 3 Different Minimally Invasive Surgical Techniques for Lumbar Spinal Stenosis: A Randomized Clinical Trial 

      Hermansen, Erland; Austevoll, Ivar Magne; Hellum, Christian; Storheim, Kjersti; Myklebust, Tor Åge; Aaen, Jørn Ståle; Banitalebi, Hasan; Anvar, Masoud D; Rekeland, Frode; Brox, Jens Ivar; Franssen, Eric; Weber, Clemens; Solberg, Tore; Furunes, Håvard; Grundnes, Oliver; Brisby, Helena; Indrekvam, Kari (Journal article; Peer reviewed, 2022)
      Importance: Operations for lumbar spinal stenosis is the most often performed surgical procedure in the adult lumbar spine. This study reports the clinical outcome of the 3 most commonly used minimally invasive posterior ...
    • Facet arthropathy evaluation: CT or MRI? 

      Berg, Linda; Thoresen, Hanne; Neckelmann, Gesche F; Furunes, Håvard; Hellum, Christian; Espeland, Ansgar (Journal article; Peer reviewed, 2019)
      Objective To assess the reliability of lumbar facet arthropathy evaluation with computed tomography (CT) or magnetic resonance imaging (MRI) in patients with and without lumbar disc prosthesis and to estimate the reliability ...
    • Surgery in Degenerative Spondylolisthesis: Does fusion improve outcome in subgroups? A secondary analysis from a randomized trial (NORDSTEN trial) 

      Hellum, Christian; Rekeland, Frode Gurvin; Småstuen, Milada Cvancarova; Solberg, Tore; Hermansen, Erland; Storheim, Kjersti; Brox, Jens Ivar; Furunes, Håvard; Franssen, Eric; Weber, Clemens; Brisby, Helena; Grundnes, Oliver; Robert Hector Algaard, Knut; Bøker, Tordis; Banitalebi, Hasan; Indrekvam, Kari; Austevoll, Ivar Magne (Journal article; Peer reviewed, 2023)
      Background context: Patients with spinal stenosis and degenerative spondylolisthesis are treated surgically with decompression alone or decompression with fusion. However, there is debate regarding which subgroups of ...