The inflammatory properties of contained and noncontained lumbar disc herniation
ØP Nygaard, SI Mellgren, B Østerud - Spine, 1997 - journals.lww.com
Study Design. The inflammatory properties of nucleus pulposus were assessed in biopsy
samples from patients who underwent surgery for lumbar disc herniation. Objectives. To …
samples from patients who underwent surgery for lumbar disc herniation. Objectives. To …
Duration of leg pain as a predictor of outcome after surgery for lumbar disc herniation: a prospective cohort study with 1-year follow up
ØP Nygaard, R Kloster, T Solberg - Journal of Neurosurgery: Spine, 2000 - thejns.org
Object. The aim of this study was to investigate different variables in the duration of
symptoms that can be used to predict outcome after lumbar microdiscectomy. Methods. In a …
symptoms that can be used to predict outcome after lumbar microdiscectomy. Methods. In a …
Health-related quality of life assessment by the EuroQol-5D can provide cost-utility data in the field of low-back surgery.
TK Solberg, JA Olsen, T Ingebrigtsen, D Hofoss… - European spine …, 2005 - Springer
There is limited data on the cost-utility of low-back surgical procedures. The EuroQol-5D (EQ-
5D) is a generic health-related quality of life (HRQL) instrument, which was designed for cost …
5D) is a generic health-related quality of life (HRQL) instrument, which was designed for cost …
[HTML][HTML] Comparison of the SF6D, the EQ5D, and the oswestry disability index in patients with chronic low back pain and degenerative disc disease
LG Johnsen, C Hellum, ØP Nygaard… - BMC musculoskeletal …, 2013 - Springer
Background The need for cost effectiveness analyses in randomized controlled trials that
compare treatment options is increasing. The selection of the optimal utility measure is …
compare treatment options is increasing. The selection of the optimal utility measure is …
Four-year follow-up of surgical versus non-surgical therapy for chronic low back pain
JI Brox, ØP Nygaard, I Holm, A Keller… - Annals of the …, 2010 - ard.bmj.com
Objectives To compare the long-term effectiveness of surgical and non-surgical treatment in
patients with chronic low back pain. Methods Two merged randomised clinical trials …
patients with chronic low back pain. Methods Two merged randomised clinical trials …
Would loss to follow-up bias the outcome evaluation of patients operated for degenerative disorders of the lumbar spine? A study of responding and non-responding …
TK Solberg, A Sørlie, K Sjaavik, ØP Nygaard… - Acta …, 2011 - Taylor & Francis
Background and purpose Loss to follow-up may bias the outcome assessments of clinical
registries. In this study, we wanted to determine whether outcomes were different in …
registries. In this study, we wanted to determine whether outcomes were different in …
Effect of spinal cord burst stimulation vs placebo stimulation on disability in patients with chronic radicular pain after lumbar spine surgery: a randomized clinical trial
S Hara, H Andresen, O Solheim, SM Carlsen… - Jama, 2022 - jamanetwork.com
Importance The use of spinal cord stimulation for chronic pain after lumbar spine surgery is
increasing, yet rigorous evidence of its efficacy is lacking. Objective To investigate the …
increasing, yet rigorous evidence of its efficacy is lacking. Objective To investigate the …
Minimally invasive decompression versus open laminectomy for central stenosis of the lumbar spine: pragmatic comparative effectiveness study
Objective To test the equivalence for clinical effectiveness between microdecompression
and laminectomy in patients with central lumbar spinal stenosis. Design Multicentre …
and laminectomy in patients with central lumbar spinal stenosis. Design Multicentre …
Surgery with disc prosthesis versus rehabilitation in patients with low back pain and degenerative disc: two year follow-up of randomised study
C Hellum, LG Johnsen, K Storheim, ØP Nygaard… - Bmj, 2011 - bmj.com
Objective To compare the efficacy of surgery with disc prosthesis versus non-surgical
treatment for patients with chronic low back pain. Design A prospective randomised …
treatment for patients with chronic low back pain. Design A prospective randomised …
Can we define success criteria for lumbar disc surgery? Estimates for a substantial amount of improvement in core outcome measures
T Solberg, LG Johnsen, ØP Nygaard, M Grotle - Acta orthopaedica, 2013 - Taylor & Francis
Background and purpose A successful outcome after lumbar discectomy indicates a
substantial improvement. To use the cutoffs for minimal clinically important difference (MCID) …
substantial improvement. To use the cutoffs for minimal clinically important difference (MCID) …