Greger Lønne

ORCID: 0000-0003-2191-9676
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About
Contact & Profiles
Research Areas
  • Spine and Intervertebral Disc Pathology
  • Musculoskeletal pain and rehabilitation
  • Anesthesia and Pain Management
  • Spinal Fractures and Fixation Techniques
  • Cardiac, Anesthesia and Surgical Outcomes
  • Health Systems, Economic Evaluations, Quality of Life
  • Scoliosis diagnosis and treatment
  • Medical Imaging and Analysis
  • Pain Management and Treatment
  • Oral and gingival health research
  • Hip and Femur Fractures
  • Cervical and Thoracic Myelopathy
  • Clinical practice guidelines implementation
  • Pain Management and Opioid Use
  • Intensive Care Unit Cognitive Disorders
  • Spinal Hematomas and Complications
  • Skin Protection and Aging
  • Olfactory and Sensory Function Studies
  • COVID-19 and healthcare impacts
  • Infection Control and Ventilation
  • Hemostasis and retained surgical items
  • Healthcare Decision-Making and Restraints
  • Anesthesia and Sedative Agents
  • Frailty in Older Adults
  • Dysphagia Assessment and Management

Innlandet Hospital Trust
2016-2025

Norwegian University of Science and Technology
2012-2023

St Olav's University Hospital
2015-2023

Northern Norway Regional Health Authority
2018-2019

Massachusetts General Hospital
2016

Inland Hospital
2014

Regenics (Norway)
2013

Importance The use of spinal cord stimulation for chronic pain after lumbar spine surgery is increasing, yet rigorous evidence its efficacy lacking. Objective To investigate the burst stimulation, which involves placement an implantable pulse generator connected to electrodes with leads that travel into epidural space posterior dorsal columns, in patients radiculopathy degenerative disorders. Design, Setting, and Participants This placebo-controlled, crossover, randomized clinical trial 50...

10.1001/jama.2022.18231 article EN JAMA 2022-10-18

<b>Objective</b> To test the equivalence for clinical effectiveness between microdecompression and laminectomy in patients with central lumbar spinal stenosis. <b>Design</b> Multicentre observational study. <b>Setting</b> Prospective data from Norwegian Registry Spine Surgery. <b>Participants</b> 885 stenosis of spine who underwent surgery at 34 orthopaedic or neurosurgical departments. Patients were treated October 2006 to December 2011. <b>Interventions</b> Laminectomy microdecompression....

10.1136/bmj.h1603 article EN cc-by-nc BMJ 2015-04-01

Prospective randomized controlled multicenter study.To compare the effect of X-Stop with minimally invasive decompression (MID) in patients neurogenic intermittent claudication due to lumbar spinal stenosis.Lumbar stenosis is most common indication for operative treatment elderly. Laminectomy has been "gold standard," but MID now widely used. Another surgery option showing good result compared nonoperative treatment, higher reoperation rate than laminectomy.We enrolled 96 aged 50 85 years,...

10.1097/brs.0000000000000691 article EN Spine 2014-11-07

In Brief Study Design. Randomized clinical trial with 2-year follow-up. Objective. To compare the cost-effectiveness of X-stop to minimally invasive decompression in patients symptomatic lumbar spinal stenosis. Summary Background Data. Lumbar stenosis is most common indication for operative treatment elderly. Although surgery more costly than nonoperative treatment, health outcomes 2 years were shown be significantly better. Surgical widely used. introduced as another technique showing good...

10.1097/brs.0000000000000798 article EN Spine 2015-01-21

Loss to follow-up may bias outcome assessments in medical registries. This cohort study aimed analyze and compare patients who failed respond with those that responded the Norwegian Registry for Spine Surgery (NORspine).We analyzed a of 474 consecutive operated lumbar spinal stenosis at four public hospitals Norway during two-year period. These reported sociodemographic data, preoperative symptoms, Oswestry Disability Index (ODI), numerical rating scales (NRS) back leg pain NORspine baseline...

10.1186/s12891-023-06267-3 article EN cc-by BMC Musculoskeletal Disorders 2023-03-04

Abstract Background Orthogeriatric hospital care is recommended for hip fra cture patients, but differentiated has not been evaluated. The aim of this study was to describe physical performance and health-related quality life fracture patients 1-year after surgery in four treatment pathways. We also report changes functional outcomes from baseline follow-up together with readmission mortality rates each pathway. Methods included 177 aged 65 years or older a single center Norway. Participants...

10.1186/s12891-025-08427-z article EN cc-by BMC Musculoskeletal Disorders 2025-02-24

To review and describe the development, methods cohort of lumbosacral part Norwegian registry for spine surgery (NORspine).NORspine was established in 2007. It is government funded, covers all providers captures consecutive cases undergoing operations degenerative disorders. Patients' participation voluntary requires informed consent. A set baseline-, process- outcome-variables (3 12 months) recommended by International Consortium Health Outcome Measurement reported surgeons patients. The...

10.1007/s00586-023-07929-5 article EN cc-by European Spine Journal 2023-09-17

Study Design. This is a retrospective cohort study. Objective. To evaluate the long-term outcomes for patients with refractory coccygodynia treated coccygectomy compared to nonsurgical regimen of sitting aids, physical therapy, medications, and injections. Summary Background Data. The surgical treatment remains controversial. date, there has only been one small comparative study versus treatment. Methods. From 2004 2014, 109 presenting were either total or course anti-inflammatory All had at...

10.1097/brs.0000000000002053 article EN Spine 2017-01-06

In clinical decision-making, it is crucial to discuss the probability of adverse outcomes with patient. A large proportion are difficult classify as either failure or success. Consequently, cutoff values in patient-reported outcome measures (PROMs) for "failure" and "worsening" likely be different from those "non-success". The aim this study was identify dichotomous cutoffs worsening, 12 months after surgical treatment lumbar disc herniation, a registry cohort. total 6840 patients herniation...

10.1007/s00586-017-5185-5 article EN cc-by European Spine Journal 2017-06-14

Data quality is essential for all types of research, including health registers. However, data rarely reported. We aimed to assess the accuracy in a national spine register (NORspine) and its agreement with corresponding electronic patient records (EPR).We compared NORspine registry against (EPR) 474 patients operated spinal stenosis 2015 2016 at four public hospitals, using EPR as gold standard. assessed proportion correctly classified (PCC) sensitivity. Agreement was quantified Kappa...

10.1007/s00586-021-07093-8 article EN cc-by European Spine Journal 2022-01-06

Abstract Purpose Lumbar spinal stenosis (LSS) is a prevalent disorder, and surgery for LSS common procedure. Postoperative complications occur after any impose costs society additional morbidity patients. Since are relatively rare, medical registries of large populations may provide valuable knowledge. However, recording in can be incomplete. To better estimate the true prevalence surgery, we reviewed two different sources data recorded sample Norwegian Methods 474 patients treated...

10.1007/s00701-024-06086-y article EN cc-by Acta Neurochirurgica 2024-04-23

Yearly incidence of surgery for symptomatic lumbar disc herniation varies and is 29/100,000 in Sweden, 46/100,000 Denmark 58/100,000 Norway. This variation was used to study whether differences surgical were associated with preoperative patient characteristics as well patient-reported outcomes. Data from the national spine registers Norway during 2011–2013 pooled, 9965 individuals, aged 18–65 years, which 6468 had one-year follow-up data, included study. Both absolute case-mix-adjusted...

10.1007/s00586-018-5768-9 article EN cc-by European Spine Journal 2018-09-29

Fusion in addition to decompression has become the standard treatment for lumbar spinal stenosis with degenerative spondylolisthesis (DS). The evidence performing fusion among these patients is conflicting and there a need further investigation through studies of high quality. present protocol describes an ongoing study primary aim comparing outcome between alone instrumented fusion. secondary investigate whether predictors can be used choose best individual. trial, named NORDSTEN-DS one...

10.1186/s12891-018-2384-0 article EN cc-by BMC Musculoskeletal Disorders 2019-01-05

Prospective multicenter cohort study.To investigate (1) the discriminative ability and cutoff estimates for success 12 months after surgery lumbar disc herniation on Oswestry Disability Index (ODI) raw score compared with a change percentage (2) to what extent these clinical outcomes depend baseline disability.A total of 6840 patients operated from Norwegian Registry Spine Surgery (NORspine) were included. In receiver operating characteristic (ROC) curve analyses, global perceived effect...

10.1177/2192568219851480 article EN cc-by-nc-nd Global Spine Journal 2019-06-06

Background contextCriteria for success after surgical treatment of lumbar spinal stenosis (LSS) have been defined previously; however, there are no clear criteria failure and worsening surgery as assessed by patient-reported outcome measures (PROMs).PurposeWe aimed to quantify changes in standard PROMs that most accurately identified LSS.Study design /settingRetrospective analysis prospective national spine registry data with 12-months follow-up.Patient sampleWe analyzed 10,822 patients aged...

10.1016/j.spinee.2021.04.008 article EN cc-by The Spine Journal 2021-04-19

Some patients do not improve after surgery for lumbar spinal stenosis (LSS), and surgical treatment implies a risk complications deterioration. Patient selection is of paramount importance to the overall clinical results identifying predictive factors failure central in this work.We aimed explore worsening LSS.Retrospective observational study on prospectively collected data from national spine registry with 12-month follow-up.We analyzed 11,873 operated LSS between 2007 2017 Norway,...

10.1016/j.spinee.2022.10.010 article EN cc-by-nc-nd The Spine Journal 2022-11-05

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 register cohort. Methods is population-based from Norwegian Registry for Spine (NORspine). We included 26,723 consecutive cases operated spinal stenosis or disc herniation January 2007 December 2018. The primary outcome was Oswestry Disability Index (ODI), presented as proportions reaching patient-acceptable symptom...

10.1302/0301-620x.105b4.bjj-2022-0704.r1 article EN cc-by-nc-nd The Bone & Joint Journal 2023-03-15

Introduction This observational study is designed to test the equivalence between clinical effectiveness of microdecompression and laminectomy in surgical treatment central lumbar spinal stenosis. Lumbar stenosis most frequent indication for surgery elderly, as oldest segment population continues grow its prevalence likely increase. However, data on outcomes are limited. Open or wide decompressive laminectomy, often combined with medial facetectomy foraminotomy, was formerly standard...

10.1136/bmjopen-2013-004651 article EN cc-by-nc BMJ Open 2014-03-01

Study Design Validation study of a morphological grading system for central lumbar spinal stenosis. Objective To evaluate and validate the inter- intraobserver agreement stenosis on magnetic resonance imaging between neurosurgeons radiologists. Methods Two two radiologists independently assessed pretreatment 84 patients. Inter- intrarater agreements were calculated by comparing observers' evaluations level to method. The results both clinicians compared with assessment Results On axial...

10.1055/s-0035-1551651 article EN cc-by-nc-nd Global Spine Journal 2015-05-06
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