Browsing NTNU Open by Author "Hermansen, Erland"
Now showing items 1-19 of 19
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The association between preoperative MRI findings and clinical improvement in patients included in the NORDSTEN spinal stenosis trial
Aaen, Jørn Ståle; Banitalebi, Hasan; Austevoll, Ivar Magne; Hellum, Christian; Storheim, Kjersti; Myklebust, Tor Åge; Anvar, Masoud D; Weber, Clemens; Solberg, Tore; Grundnes, Oliver; Brisby, Helena; Indrekvam, Kari; Hermansen, Erland (Journal article; Peer reviewed, 2022)Purpose To investigate potential associations between preoperative MRI findings and patient reported outcome measures (PROMs) after surgery for lumbar spinal stenosis (LSS). Methods The NORDSTEN trial included 437 ... -
Clinical and MRI findings in lumbar spinal stenosis: baseline data from the NORDSTEN study
Aaen, Jørn; Austevoll, Ivar Magne; Hellum, Christian; Storheim, Kjersti; Myklebust, Tor Åge; Banitalebi, Hasan; Anvar, Masoud; Brox, Jens Ivar; Weber, Clemens; Solberg, Tore; Grundnes, Oliver; Brisby, Helena; Indrekvam, Kari; Hermansen, Erland (Peer reviewed; Journal article, 2021)Purpose The aim was to describe magnetic resonance imaging findings in patients planned for lumbar spinal stenosis surgery. Further, to describe possible associations between MRI findings and patient characteristics with ... -
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; Rekeland, Frode; Brox, Jens Ivar; Franssen, Eric; Weber, Clemens; Solberg, Tore; Haug, Knut Jørgen; Grundnes, Oliver; Brisby, Helena; Indrekvam, Kari (Peer reviewed; Journal article, 2020)Purpose: To investigate changes in dural sac area after three different posterior decompression techniques in patients undergoing surgery for lumbar spinal stenosis. Decompression of the nerve roots is the main surgical ... -
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 (Peer reviewed; Journal article, 2020)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 nerve ... -
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 (Peer reviewed; Journal article, 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 ... -
Comparison of spinopelvic parameters on supine lumbar MRI with standing lateral radiographs in lumbar spinal stenosis.
Banitalebi, Aryan (Master thesis, 2024)Liggende lumbale MR-undersøkelser utføres regelmessig som ledd i diagnostikken av lumbal spinal stenose. Stående røntgen sidebilder av lumbalcolumna tas gjerne i tilegg for å supplere MR og for å måle vinkler som inngår i ... -
Do patients with lumbar spinal stenosis benefit from decompression of levels with adjacent moderate stenosis? A prospective cohort study from the NORDSTEN study
Tronstad, Sara; Haug, Knut Jørgen; Myklebust, Tor Åge; Weber, Clemens; Brisby, Helena; Austevoll, Ivar Magne; Hellum, Christian; Storheim, Kjersti; Aaen, Jørn Ståle; Banitalebi, Hasan; Brox, Jens Ivar; Grundnes, Oliver; Franssen, Eric; Indrekvam, Kari; Solberg, Tore; Hermansen, Erland (Journal article; Peer reviewed, 2024)Background: Lumbar spinal stenosis (LSS) is characterized by pain that radiates to the buttocks and/or legs, aggravated by walking and relieved by forward flexion. There is poor correlation between clinical symptoms and ... -
Glucoregulatory Properties of a Protein Hydrolysate from Atlantic Salmon (Salmo salar): Preliminary Characterization and Evaluation of DPP-IV Inhibition and Direct Glucose Uptake In Vitro
Bjerknes, Christian; Wubshet, Sileshi Gizachew; Rønning, Sissel Beate; Afseth, Nils Kristian; Crawford, Currie; Framroze, Bomi; Hermansen, Erland (Journal article; Peer reviewed, 2024)Metabolic disorders are increasingly prevalent conditions that manifest pathophysiologically along a continuum. Among reported metabolic risk factors, elevated fasting serum glucose (FSG) levels have shown the most substantial ... -
Is the presence of foraminal stenosis associated with outcome in lumbar spinal stenosis patients treated with posterior microsurgical decompression
Aaen, Jørn Ståle; BANITALEBI, HASAN; Austevoll, Ivar Magne; Hellum, Christian; Storheim, Kjersti; Myklebust, Tor Åge; Anvar, Masoud D; Weber, Clemens; Solberg, Tore; Grundnes, Oliver; Brisby, Helena; Indrekvam, Kari; Hermansen, Erland (Peer reviewed; Journal article, 2023)Background We aim to investigate associations between preoperative radiological findings of lumbar foraminal stenosis with clinical outcomes after posterior microsurgical decompression in patients with predominantly ... -
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 (Peer reviewed; Journal article, 2022)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 ... -
Pasienters erfaringer med lumbal spinal stenose og operativ behandling
Bakke, Liv (Master thesis, 2018)Hensikt: Denne studien handler om pasientenes erfaringer før og etter bakre dekompresjon. Målet var å undersøke erfaringene med smerte, mobilitet og livskvalitet. Hensikten var å undersøke symptomer ved lumbal spinal stenose ... -
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
Hermansen, Erland; Myklebust, Tor Åge; Weber, Clemens; Brisby, Helena; Austevoll, Ivar Magne; Hellum, Christian; Storheim, Kjersti; Aaen, Jørn Ståle; BANITALEBI, HASAN; Brox, Jens Ivar; Grundnes, Oliver; Rekeland, Frode Gurvin; Solberg, Tore; Franssen, Eric; Indrekvam, Kari (Peer reviewed; Journal article, 2023)Study Design. Prospective cohort study. Objective. The aim was to investigate the association between postoperative dural sac cross-sectional area (DSCA) after decompressive surgery for lumbar spinal stenosis and ... -
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
Banitalebi, Hasan; Hermansen, Erland; Hellum, Christian; Espeland, Ansgar; Storheim, Kjersti; Myklebust, Tor Åge; Indrekvam, Kari; Brisby, Helena; Weber, Clemens; Anvar, Masoud; Aaen, Jørn Ståle; Negård, Anne (Journal article; Peer reviewed, 2024)Abstract Purpose Fatty infiltration (FI) of the paraspinal muscles may associate with pain and surgical complications in patients with lumbar spinal stenosis (LSS). We evaluated the prognostic influence of MRI-assessed ... -
A randomized trial on three different minimally invasive decompression techniques for lumbar spinal stenosis. Five years follow-up from the NORDSTEN-SST
Hermansen, Erland; Indrekvam, Kari; Franssen, Eric; Myklebust, Tor Åge; Austevoll, Ivar Magne; Hellum, Christian; Storheim, Kjersti; Bånerud, Ingrid Fjeldheim; Ebbs, Eira Kathleen; Aaen, Jørn Ståle; BANITALEBI, HASAN; Brox, Jens Ivar; Weber, Clemens; Solberg, Tore; Hjulstad, Arild; Brisby, Helena (Journal article; Peer reviewed, 2024)Purpose: The short-term clinical outcome for midline-preserving posterior decompression techniques was comparable. The aim of this study was to evaluate long-term clinical results after three different midline-preserving ... -
Reliability of preoperative MRI findings in patients with lumbar spinal stenosis
Banitalebi, Hasan; Espeland, Ansgar; Anvar, Masoud D; Hermansen, Erland; Hellum, Christian; Brox, Jens Ivar; Myklebust, Tor Åge; Indrekvam, Kari; Brisby, Helena; Weber, Clemens; Aaen, Jørn Ståle; Austevoll, Ivar Magne; Grundnes, Oliver; Negård, Anne (Peer reviewed; Journal article, 2022)Background Magnetic Resonance Imaging (MRI) is an important tool in preoperative evaluation of patients with lumbar spinal stenosis (LSS). Reported reliability of various MRI findings in LSS varies from fair to excellent. ... -
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 (Journal article; Peer reviewed, 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 ... -
Salmon Protein Hydrolysate Potentiates the Growth Inhibitory Effect of Bicalutamide on Human Prostate Cancer Cell Lines LNCaP and PC3 by Modulating Iron Homeostasis
Bjerknes, Christian; Framroze, Bomi; Currie, Crawford; Pettersen, Caroline Hild; Axcrona, Karol; Hermansen, Erland (Peer reviewed; Journal article, 2022)Prostate cancer is a common cause of cancer death in men. In advanced stages of prostate cancer, androgen deprivation therapy (ADT) is initiated. Despite ADT, prostate cancers invariably progress to become androgen ... -
A study on MRI findings and outcome in lumbar spinal stenosis patients from the NORDSTEN cohort
Aaen, Jørn Ståle (Doctoral theses at NTNU;2024:422, Doctoral thesis, 2024)Background: LSS is a clinical condition congruent with a narrowing of the spinal canal and consequently compression of neural and vascular structures at the affected level. The condition is estimated to be symptomatic in ... -
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 ...