Christian Hellum
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View article: Outcomes, patient acceptable symptom state, complications, and predictors after surgical correction of adult spinal deformity – a retrospective observational study
Outcomes, patient acceptable symptom state, complications, and predictors after surgical correction of adult spinal deformity – a retrospective observational study Open
Purpose:Adult spinal deformity surgery (ADS) has been associated with moderate results and a high risk of complications. Patient-acceptable symptom state (PASS), complications, and predictors of outcome may not be sufficiently documented. …
View article: No long term benefit of decompression of a borderline lumbar spinal stenosis level adjacent to a more stenotic index level
No long term benefit of decompression of a borderline lumbar spinal stenosis level adjacent to a more stenotic index level Open
Purpose Lumbar spinal stenosis (LSS) frequently involves multiple levels of the spine. Whether to perform single-level decompression (SLD) or multi-level decompression (MLD) in patients with at least one borderline stenotic level adjacent …
View article: Surgeon Recommendation and Outcomes of Decompression With vs Without Fusion in Patients With Degenerative Spondylolisthesis
Surgeon Recommendation and Outcomes of Decompression With vs Without Fusion in Patients With Degenerative Spondylolisthesis Open
Importance The ability of surgeons to choose the right patient for fusion in addition to decompression when operating for degenerative spondylolisthesis with symptomatic spinal stenosis is debated. The addition of fusion increases risk, mo…
View article: ISSLS Prize in Clinical Science 2025: A randomized trial on three different minimally invasive decompression techniques for lumbar spinal stenosis. Five years follow-up from the NORDSTEN-SST
ISSLS Prize in Clinical Science 2025: A randomized trial on three different minimally invasive decompression techniques for lumbar spinal stenosis. Five years follow-up from the NORDSTEN-SST Open
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 posterior decompres…
View article: Decompression alone or with fusion for degenerative lumbar spondylolisthesis (Nordsten-DS): five year follow-up of a randomised, multicentre, non-inferiority trial
Decompression alone or with fusion for degenerative lumbar spondylolisthesis (Nordsten-DS): five year follow-up of a randomised, multicentre, non-inferiority trial Open
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 of a randomised, …
View article: Change in Lumbar Lordosis After Decompressive Surgery in Lumbar Spinal Stenosis Patients and Associations With Patient-Related Outcomes Two Years After Surgery: Radiologic and Clinical Results From the NORDSTEN Spinal Stenosis Trial
Change in Lumbar Lordosis After Decompressive Surgery in Lumbar Spinal Stenosis Patients and Associations With Patient-Related Outcomes Two Years After Surgery: Radiologic and Clinical Results From the NORDSTEN Spinal Stenosis Trial Open
Study design. A prospective cohort study. Objective. The aim was to investigate changes in lumbar lordosis (LL) and its association to changes in patient-reported outcome measures (PROMs) after decompressive surgery for lumbar spinal steno…
View article: Bacterial growth in patients with low back pain and Modic changes: protocol of a multicentre, case–control biopsy study
Bacterial growth in patients with low back pain and Modic changes: protocol of a multicentre, case–control biopsy study Open
Introduction Bacterial infection and Modic changes (MCs) as causes of low back pain (LBP) are debated. Results diverged between two randomised controlled trials examining the effect of amoxicillin with and without clavulanic acid versus pl…
View article: Longitudinal Relationship Between Reduced Modic Change Edema and Disability and Pain in Patients With Chronic Low Back Pain
Longitudinal Relationship Between Reduced Modic Change Edema and Disability and Pain in Patients With Chronic Low Back Pain Open
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 with chronic low back p…
View article: Is the presence of foraminal stenosis associated with outcome in lumbar spinal stenosis patients treated with posterior microsurgical decompression
Is the presence of foraminal stenosis associated with outcome in lumbar spinal stenosis patients treated with posterior microsurgical decompression Open
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 lumbar spinal s…
View article: Impact of the number of previous lumbar operations on patient-reported outcomes after surgery for lumbar spinal stenosis or lumbar disc herniation
Impact of the number of previous lumbar operations on patient-reported outcomes after surgery for lumbar spinal stenosis or lumbar disc herniation Open
Aims Repeated lumbar spine surgery has been associated with inferior clinical outcomes. This study aimed to examine and quantify the impact of this association in a national clinical register cohort. Methods This is a population-based stud…
View article: Postoperative Dural Sac Cross-Sectional Area as an Association for Outcome After Surgery for Lumbar Spinal Stenosis
Postoperative Dural Sac Cross-Sectional Area as an Association for Outcome After Surgery for Lumbar Spinal Stenosis Open
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 outcome. Furtherm…