Browsing ODA Open Digital Archive by Author "Espeland, Ansgar"

Now showing items 1-16 of 16

    • 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 (Spine;Volume 43, Number 24, Journal article; Journal article; Peer reviewed, 2018-12-01)
      Study design: Randomized controlled multicenter trial with eight-year follow-up. Objective; To assess the long-term development of adjacent disc degeneration (ADD) after lumbar total disc replacement (TDR) or non-operative ...

    • Antibiotic treatment In patients with chronic low back pain and Modic changes (the AIM study): study protocol for a randomised controlled trial. 

      Storheim, Kjersti; Espeland, Ansgar; Grøvle, Lars; Skouen, Jan Sture; Assmus, Jörg; Anke, Audny; Froholdt, Anne; Pedersen, LM; Haugen, AJ; Fors, Terese; Schistad, Ellina Iordanova; Lutro, Olav; Marchand, Gunn Hege; Kadar, Thomas; Vetti, Nils; Randen, Solfrid; Nygaard, Øystein Petter; Brox, Jens Ivar; Grotle, Margreth; Zwart, JA (Journal article; Peer reviewed, 2017)
      Background A previous randomised controlled trial (RCT) of patients with chronic low back pain (LBP) and vertebral bone marrow (Modic) changes (MCs) on magnetic resonance imaging (MRI), reported that a 3-month, high-dose ...

    • Apparent diffusion coefficient values in Modic changes – interobserver reproducibility and relation to Modic type 

      Dagestad, Magnhild Hammersland; Vetti, Nils; Kristoffersen, Per M; Zwart, John Anker Henrik; Storheim, Kjersti; Bakland, Gunnstein; Brox, Jens Ivar; Grøvle, Lars; Marchand, Gunn Hege; Andersen, Erling; Assmus, Jörg; Espeland, Ansgar (BMC Musculoskeletal Disorders;23, Article number: 695 (2022), Peer reviewed; Journal article, 2022-07-22)
      Background: Modic Changes (MCs) in the vertebral bone marrow were related to back pain in some studies but have uncertain clinical relevance. Difusion weighted MRI with apparent difusion coefcient (ADC)-measurements can ...

    • Association of Modic change types and their short tau inversion recovery signals with clinical characteristics : a cross sectional study of chronic low back pain patients in the AIM-study 

      Bråten, Lars Christian Haugli; Schistad, Ellina Iordanova; Espeland, Ansgar; Kristoffersen, Per M; Haugen, Anne Julsrud; Marchand, Gunn Hege; Vetti, Nils; Pripp, Are Hugo; Kadar, Thomas; Skouen, Jan Sture; Grotle, Margreth; Grøvle, Lars; Zwart, John-Anker; Brox, Jens Ivar; Storheim, Kjersti (BMC Musculoskeletal Disorders;21, Article number: 368 (2020), Journal article; Peer reviewed, 2020-06-10)
      Background: Modic Changes (MCs, magnetic resonance imaging (MRI) signal changes in the vertebral bone marrow extending from the vertebral endplate) may represent a subgroup of nonspecific chronic low back pain that could ...

    • Clinical effect modifiers of antibiotic treatment in patients with chronic low back pain and Modic changes - Secondary analyses of a randomised, placebo-controlled trial (the AIM study) 

      Bråten, Lars Christian Haugli; Grøvle, Lars; Espeland, Ansgar; Pripp, Are Hugo; Grotle, Margreth; Hellum, Christian; Haugen, Anne Julsrud; Froholdt, Anne; Rolfsen, Mads Peder; Nygaard, Øystein Petter; Lutro, Olav; Kristoffersen, Per Martin; Anke, Audny; Schistad, Ellina Iordanova; Skouen, Jan Sture; Brox, Jens Ivar; Zwart, John-Anker; Storheim, Kjersti (BMC Musculoskeletal Disorders;21, Article number: 458 (2020), Journal article; Peer reviewed, 2020-07-13)
      Background: Randomised trials on antibiotic treatment for patients with chronic low back pain and vertebral endplate changes visible on MRI (Modic changes) have shown mixed results. A possible explanation might be a real ...

    • Correlation between gene expression and MRI STIR signals in patients with chronic low back pain and Modic changes indicates immune involvement 

      Vigeland, Maria Dehli; Flåm, Siri Tennebø; Vigeland, Magnus Dehli; Espeland, Ansgar; Kristoffersen, Per Martin; Vetti, Nils; Wigemyr, Monica; Bråten, Lars Christian Haugli; Gjefsen, Elisabeth; Schistad, Ellina Iordanova; Haugen, Anne Julsrud; Johanessen, Anne Froholdt; Skouen, Jan Sture; Zwart, John Anker Henrik; Storheim, Kjersti; Pedersen, Linda Margareth; Lie, Benedicte Alexandra (Scientific Reports;12, Article number: 215 (2022), Peer reviewed; Journal article, 2022-01-07)
      Disability and distress caused by chronic low back pain (LBP) lacking clear pathoanatomical explanations cause huge problems both for patients and society. A subgroup of patients has Modic changes (MC), identifable by MRI ...

    • Cost–utility analysis of antibiotic treatment in patients with chronic low back pain and Modic changes: results from a randomised, placebo-controlled trial in Norway (the AIM study) 

      Grotle, Margreth; Bråten, Lars Christian Haugli; Brox, Jens Ivar; Espeland, Ansgar; Zolic-Karlsson, Zinajda; Killingmo, Rikke Munk; Tingulstad, Alexander; Grøvle, Lars; Johanessen, Anne Froholdt; Kristoffersen, Per Martin; Wigemyr, Monica; van Tulder, Maurits W.; Storheim, Kjersti; Zwart, John-Anker (BMJ Open;Volume 10, Issue 6, Journal article; Peer reviewed, 2020-06-15)
      Objective: To evaluate the cost–utility of 100 days of antibiotics in patients with chronic low back pain (LBP) and type I or II Modic changes included in the Antibiotic treatment In patients with chronic low back pain and ...

    • Cytokine Patterns as Predictors of Antibiotic Treatment Effect in Chronic Low Back Pain with Modic Changes: Subgroup Analyses of a Randomized Trial (AIM Study) 

      Bråten, Lars Christian Haugli; Gjefsen, Elisabeth; Gervin, Kristina; Pripp, Are Hugo; Skouen, Jan Sture; Schistad, Elina Iordanova; Pedersen, Linda Margareth; Wigemyr, Monica; Selmer, Kaja Kristine; Dalsbotten Aass, Hans Christian; Goll, Guro Løvik; Brox, Jens Ivar; Espeland, Ansgar; Grøvle, Lars; Zwart, John Anker Henrik; Storheim, Kjersti (Peer reviewed; Journal article, 2023)
      Objective: Randomized trials testing the effect of antibiotics for chronic low back pain (LBP) with vertebral bone marrow changes on MRI (Modic changes) report inconsistent results. A proposed explanation is subgroups ...

    • The effect of infliximab in patients with chronic low back pain and Modic changes (the BackToBasic study): study protocol of a randomized, double blind, placebo-controlled, multicenter trial 

      Gjefsen, Elisabeth; Bråten, Lars Christian Haugli; Goll, Guro Løvik; Wigemyr, Monica; Bolstad, Nils; Valberg, Morten; Schistad, Ellina Iordanova; Marchand, Gunn Hege; Granviken, Fredrik; Selmer, Kaja Kristine; Johanessen, Anne Froholdt; Haugen, Anne Julsrud; Dagestad, Magnhild Hammersland; Vetti, Nils; Bakland, Gunnstein; Lie, Benedicte Alexandra; Haavardsholm, Espen A.; Nilsen, Aksel Thuv; Holmgard, Thor Einar; Kadar, Thomas; Kvien, Tore Kristian; Skouen, Jan Sture; Grøvle, Lars; Brox, Jens Ivar; Espeland, Ansgar; Storheim, Kjersti; Zwart, John-Anker (BMC Musculoskeletal Disorders;21, Article number: 698 (2020), Journal article; Peer reviewed, 2020-10-21)
      Background: Low back pain is common and a significant number of patients experience chronic low back pain. Current treatment options offer small to moderate effects. Patients with vertebral bone marrow lesions visualized ...

    • Efficacy of antibiotic treatment in patients with chronic low back pain and Modic changes (the AIM study): double blind, randomised, placebo controlled, multicentre trial 

      Bråten, Lars Christian Haugli; Rolfsen, Mads Peder; Espeland, Ansgar; Wigemyr, Monica; Assmus, Jörg; Froholdt, Anne; Haugen, Anne Julsrud; Marchand, Gunn Hege; Kristoffersen, Per M; Lutro, Olav; Randen, Sigrun; Wilhelmsen, Maja; Winsvold, Bendik K S; Kadar, Thomas; Holmgard, Thor Einar; Vigeland, Maria Dehli; Vetti, Nils; Nygaard, Øystein Petter; Lie, Benedicte Alexandra; Hellum, Christian; Anke, Audny; Grotle, Margreth; Schistad, Ellina Iordanova; Skouen, Jan Sture; Grøvle, Lars; Brox, Jens Ivar; Zwart, John-Anker; Storheim, Kjersti (BMJ; 2019;367:l5654, Journal article; Peer reviewed, 2019-08-29)
      Objective: To assess the efficacy of three months of antibiotic treatment compared with placebo in patients with chronic low back pain, previous disc herniation, and vertebral endplate changes (Modic changes). Design: ...

    • Long-Term Use of Amoxicillin Is Associated with Changes in Gene Expression and DNA Methylation in Patients with Low Back Pain and Modic Changes 

      Vigeland, Maria Dehli; Flåm, Siri Tennebø; Vigeland, Magnus Dehli; Espeland, Ansgar; Zucknick, Manuela; Wigemyr, Monica; Bråten, Lars Christian Haugli; Gjefsen, Elisabeth; Zwart, John Anker Henrik; Storheim, Kjersti; Pedersen, Linda Margareth; Selmer, Kaja Kristine; Lie, Benedicte Alexandra; Gervin, Kristina (Peer reviewed; Journal article, 2023)
      Long-term antibiotics are prescribed for a variety of medical conditions, recently including low back pain with Modic changes. The molecular impact of such treatment is unknown. We con- ducted longitudinal transcriptome ...

    • Longitudinal Relationship Between Reduced Modic Change Edema and Disability and Pain in Patients With Chronic Low Back Pain 

      Espeland, Ansgar; Kristoffersen, Per Martin; Bråten, Lars Christian Haugli; Grøvle, Lars; Grotle, Margreth; Haugen, Anne Julsrud; Rolfsen, Mads Peder; Hellum, Christian; Zwart, John Anker Henrik; Storheim, Kjersti; Assmus, Jörg; Vetti, Nils (Peer reviewed; Journal article, 2023)
      Study Design. Secondary analyses of a randomized trial [Antibiotics In Modic changes (MCs) study]. Objective. To assess whether or not reduced MC edema over time is related to reduced disability and pain in patients ...

    • Lumbar total disc replacement: predictors for long-term outcome 

      Furunes, Håvard; Hellum, Christian; Brox, Jens Ivar; Rossvoll, Ivar; Espeland, Ansgar; Berg, Linda; Brøgger, Helga Maria; Småstuen, Milada C; Storheim, Kjersti (Journal article; Peer reviewed, 2017)
      Purpose We aimed to identify patient characteristics associated with favourable long-term outcomes after lumbar total disc replacement (TDR). Methods We analysed a cohort of 82 patients with degenerative disc and ...

    • 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 

      BANITALEBI, HASAN; Aaen, Jørn Ståle; Storheim, Kjersti; Negård, Anne; Myklebust, Tor Åge; Grotle, Margreth; Hellum, Christian; Espeland, Ansgar; Anvar, Masoud D; Indrekvam, Kari; Weber, Clemens; Brox, Jens Ivar; Brisby, Helena; Hermansen, Erland (European Radiology Experimental;6, Article number: 38 (2022), Peer reviewed; Journal article, 2022-07-20)
      Background: Fatty infiltration of the paraspinal muscles may play a role in pain and disability in lumbar spinal stenosis. We assessed the reliability and association with clinical symptoms of a method for assessing fatty ...

    • Oedema on STIR modified the effect of amoxicillin as treatment for chronic low back pain with Modic changes-subgroup analysis of a randomized trial 

      Kristoffersen, Per M; Bråten, Lars Christian Haugli; Vetti, Nils; Grøvle, Lars; Hellum, Christian; Storheim, Kjersti; Zwart, John-Anker; Assmus, Jörg; Espeland, Ansgar (European Radiology;, Journal article; Peer reviewed, 2020-11-27)
      Objective To evaluate potential MRI-defined effect modifiers of amoxicillin treatment in patients with chronic low back pain and type 1 or 2 Modic changes (MCs) at the level of a previous lumbar disc herniation (index ...

    • Short tau inversion recovery MRI of Modic changes: a reliability study 

      Kristoffersen, Per M; Vetti, Nils; Storheim, Kjersti; Bråten, Lars Christian Haugli; Rolfsen, Mads Peder; Assmus, Jörg; Espeland, Ansgar (Acta Radiologica Open;Volume: 9, issue: 1, Journal article; Peer reviewed, 2020-01-29)
      Background: Limited reliability data exist for evaluation of spinal edema changes on magnetic resonance imaging (MRI) with short tau inversion recovery (STIR) sequences. Purpose: To assess the inter-observer reliability ...