Blar i ODA Open Digital Archive på forfatter "Hermansen, Erland"
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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
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; Haug, Knut Jørgen; Grundnes, Oliver; Brisby, Helena; Indrekvam, Kari (European spine journal;, Journal article; Peer reviewed, 2020-06-18)Purpose: To investigate changes in dural sac area after three different posterior decompression techniques in patients undergoing surgery for lumbar spinal stenosis. Summary of background data: Decompression of the ... -
Decompression alone or with fusion for degenerative lumbar spondylolisthesis (Nordsten-DS): five year follow-up of a randomised, multicentre, non-inferiority trial
Kgomotso, Eric Loratang; Hellum, Christian; Fagerland, Morten; Solberg, Tore; Brox, Jens Ivar; Storheim, Kjersti; Hermansen, Erland; Franssen, Eric; Weber, Clemens; Brisby, Helena; Algaard, Knut Robert Hector; Furunes, Håvard; Banitalebi, Hasan; Ljøstad, Inger; Indrekvam, Kari; Austevoll, Ivar Magne (Peer reviewed; Journal article, 2024)Objective: To assess whether decompression alone is non-inferior to decompression with instrumented fusion five years after primary surgery in patients with degenerative lumbar spondylolisthesis. Design: Five year follow-up ... -
Decompression alone versusdecompression with instrumental fusionthe NORDSTEN degenerativespondylolisthesis trial (NORDSTEN-DS);study protocol for a randomized controlledtrial
Austevoll, Ivar Magne; Hermansen, Erland; Fagerland, Morten; Rekeland, Frode; Solberg, Tore; Storheim, Kjersti; Brox, Jens Ivar; Lønne, Greger; Indrekvam, Kari; Aaen, Jørn; Grundnes, Oliver; Hellum, Christian (BMC Musculoskeletal Disorders;20:07, Journal article; Peer reviewed, 2018-12-18)Background Fusion in addition to decompression has become the standard treatment for lumbar spinal stenosis with degenerative spondylolisthesis (DS). The evidence for performing fusion among these patients is conflicting ... -
Decompression with or without Fusion in Degenerative Lumbar Spondylolisthesis
Austevoll, Ivar Magne; Hermansen, Erland; Fagerland, Morten Wang; Storheim, Kjersti; Brox, Jens Ivar; Solberg, Tore; Rekeland, Frode; Franssen, Eric; Weber, Clemens; Brisby, Helena; Grundnes, Oliver; Algaard, Knut; Bøker, Tordis; Banitalebi, Hasan; Indrekvam, Kari; Hellum, Christian (New England Journal of Medicine;Vol. 385, No. 6, Peer reviewed; Journal article, 2021-08-05)Background: In patients with lumbar spinal stenosis and degenerative spondylolisthesis, it is uncertain whether decompression surgery alone is noninferior to decompression with instrumented fusion. Methods: We conducted ... -
Follow-up score, change score or percentage change score for determining clinical important outcome following surgery? An observational study from the Norwegian registry for Spine surgery evaluating patient reported outcome measures in lumbar spinal stenosis and lumbar degenerative spondylolisthesis
Austevoll, Ivar Magne; Gjestad, Rolf; Grotle, Margreth; Solberg, Tore; Brox, Jens Ivar; Hermansen, Erland; Rekeland, Frode; Indrekvam, Kari; Storheim, Kjersti; Hellum, Christian (BMC Musculoskeletal Disorders;20(31), Journal article; Peer reviewed, 2019)Assessment of outcomes for spinal surgeries is challenging, and an ideal measurement that reflects all aspects of importance for the patients does not exist. Oswestry Disability Index (ODI), EuroQol (EQ-5D) and Numeric ... -
The Norwegian degenerative spondylolisthesis and spinal stenosis (NORDSTEN) study: study overview, organization structure and study population
Indrekvam, Kari; Bånerud, Ingrid Fjeldheim; Hermansen, Erland; Austevoll, Ivar Magne; Rekeland, Frode Gurvin; Guddal, Maren Hjelle; Solberg, Tore; Brox, Jens Ivar; Hellum, Christian; Storheim, Kjersti (Peer reviewed; Journal article, 2023)Purpose To provide an overview of the The Norwegian Degenerative spondylolisthesis and spinal stenosis (NORDSTEN)- study and the organizational structure, and to evaluate the study population. Methods The NORDSTEN is a ... -
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 ... -
Responsiveness of the Oswestry Disability Index and Zurich Claudication Questionnaire in patients with lumbar spinal stenosis: evaluation of surgically treated patients from the NORDSTEN study
Indrekvam, Kari; Myklebust, Tor Åge; Austevoll, Ivar Magne; Hermansen, Erland; BANITALEBI, HASAN; Bånerud, Ingrid Fjeldheim; Weber, Clemens; Brisby, Helena; Brox, Jens Ivar; Hellum, Christian; Storheim, Kjersti; Banitalebi, Hasan (Peer reviewed; Journal article, 2024)Purpose To evaluate the responsiveness of the original low back pain specific Oswestry Disability Index (ODI) and the spinal stenosis specific Zürich Claudication Questionnaire (ZCQ), and to investigate cut-off values for ... -
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 (Peer reviewed; Journal article, 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 ...