Browsing Bergen Open Research Archive by Author "Weber, Clemens"
Now showing items 1-20 of 20
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The association between lumbar lordosis preoperatively and changes in PROMs for lumbar spinal stenosis patients 2 years after spinal surgery: radiological and clinical results from the NORDSTEN-spinal stenosis trial
Wänman, Johan; Åkerstedt, Josefin; Banitalebi, Hasan; Myklebust, Tor Åge; Weber, Clemens; Storheim, Kjersti; Austevoll, Ivar Magne; Hellum, Christian; Indrekvam, Kari; Brisby, Helena; Hermansen, Erland (Journal article; Peer reviewed, 2024)Background Patients with lumbar spinal stenosis (LSS) sometimes have lower lumbar lordosis (LL), and the incidence of LSS correlates closely with the loss of LL. The few studies that have evaluated the association between ... -
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 ... -
Characteristics and demography of low energy fall injuries in patients > 60 years of age: a population-based analysis over a decade with focus on undertriage
Aarsland, Martine A.; Weber, Clemens; Enoksen, Cathrine Harstad; Dalen, Ingvild; Tjosevik, Kjell Egil; Oord, Pieter; Thorsen, Kenneth (Journal article; Peer reviewed, 2024)Background An increasing group of elderly patients is admitted after low energy falls. Several studies have shown that this patient group tends to be severely injured and is often undertriaged. Methods Patients > 60 ... -
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 (Journal article; Peer reviewed, 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 (Journal article; Peer reviewed, 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 ... -
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 ... -
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 (Journal article; Peer reviewed, 2021)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 an ... -
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 ... -
En mann i 50-årene med smerter i hode, nakke og øregang
Stangeland, Kari Wiig; Baardsen, Roald; Weber, Clemens; Gjøse, Børge Førland; Biserød, Lynn Elisabeth; Koch, Henrik Wethe; Gøransson, Lasse Gunnar (Journal article; Peer reviewed, 2022)En mann med hodepine, nakkesmerter og plager fra venstre øre fikk påvist en lesjon i cervikalcolumna etter seks måneder med økende symptomer. Omfattende utredning og behandling med behov for vevsprøver og nevrokirugi ledet ... -
Health Care Implications of the COVID-19 Pandemic for Patients with Severe Traumatic Brain Injury-A Nationwide, Observational Cohort Study
Weber, Clemens; Werner, David Andreas Thomas; Thorsen, Kenneth; Søreide, Kjetil (Journal article; Peer reviewed, 2022)Background Containment measures during the coronavirus disease of 2019 (COVID-19) pandemic have resulted in a substantial reduction in treatment of injury. The effect of the COVID-19 pandemic on the epidemiology and ... -
Incidence, Mechanisms of Injury and Mortality of Severe Traumatic Brain Injury: An Observational Population-Based Cohort Study from New Zealand and Norway
Weber, Clemens; Andreassen, Joakim Stray; Isles, Siobhan; Thorsen, Kenneth; McBride, Paul; Søreide, Kjetil; Civil, Ian (Journal article; Peer reviewed, 2022)Background Comparing trauma registry data from different countries can help to identify possible differences in epidemiology, which may help to improve the care of trauma patients. Methods This study directly compares ... -
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 (Journal article; Peer reviewed, 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 central ... -
Is there a weekend effect on mortality rate and outcome for moderate and severe traumatic brain injury? A population-based, observational cohort study
Andreassen, Joakim Stray; Thorsen, Kenneth; Søreide, Kjetil; Werner, David Andreas Thomas; Weber, Clemens (Journal article; Peer reviewed, 2022)Purpose The aim of the study was to analyse patient and injury characteristics and the effects of weekend admissions on mortality rate and outcome after moderate and severe traumatic brain injuries. Methods This is ... -
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
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; Banitalebi, Hasan (Journal article; Peer reviewed, 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 ... -
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 (Journal article; Peer reviewed, 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 clinical ... -
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 ... -
Priorities for research in trauma care: creating a bucket list
Søreide, Kjetil; Weber, Clemens; Thorsen, Kenneth (Journal article; Peer reviewed, 2020) -
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 (Journal article; Peer reviewed, 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. ... -
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 ...