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Publications by Oliver Grundnes

53 publications found

Original articles

Tronstad S, Haug KJ, Myklebust TÅ, Weber C, Brisby H, Austevoll IM, Hellum C, Storheim K, Aaen J, Banitalebi H, Brox JI, Grundnes O, Franssen E, Indrekvam K, Solberg T, Hermansen E (2024)
Do patients with lumbar spinal stenosis benefit from decompression of levels with adjacent moderate stenosis? A prospective cohort study from the NORDSTEN study
Spine J (in press)
DOI 10.1016/j.spinee.2024.01.010, PubMed 38266826

Aaen J, Banitalebi H, Austevoll IM, Hellum C, Storheim K, Myklebust TÅ, Anvar M, Weber C, Solberg T, Grundnes O, Brisby H, Indrekvam K, Hermansen E (2023)
Is the presence of foraminal stenosis associated with outcome in lumbar spinal stenosis patients treated with posterior microsurgical decompression
Acta Neurochir (Wien), 165 (8), 2121-2129
DOI 10.1007/s00701-023-05693-5, PubMed 37407851

Hellum C, Rekeland F, Småstuen MC, Solberg T, Hermansen E, Storheim K, Brox JI, Furunes H, Franssen E, Weber C, Brisby H, Grundnes O, Algaard KRH, Böker T, Banitalebi H, Indrekvam K, Austevoll IM (2023)
Surgery in degenerative spondylolisthesis: does fusion improve outcome in subgroups? A secondary analysis from a randomized trial (NORDSTEN trial)
Spine J, 23 (11), 1613-1622
DOI 10.1016/j.spinee.2023.06.386, PubMed 37355044

Hermansen E, Myklebust TÅ, Weber C, Brisby H, Austevoll IM, Hellum C, Storheim K, Aaen J, Banitalebi H, Brox JI, Grundnes O, Rekeland F, Solberg T, Franssen E, Indrekvam K (2023)
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
Spine (Phila Pa 1976), 48 (10), 688-694
DOI 10.1097/BRS.0000000000004565, PubMed 36809364

Aaen J, Banitalebi H, Austevoll IM, Hellum C, Storheim K, Myklebust TÅ, Anvar M, Weber C, Solberg T, Grundnes O, Brisby H, Indrekvam K, Hermansen E (2022)
The association between preoperative MRI findings and clinical improvement in patients included in the NORDSTEN spinal stenosis trial
Eur Spine J, 31 (10), 2777-2785
DOI 10.1007/s00586-022-07317-5, PubMed 35930062

Hermansen E, Austevoll IM, Hellum C, Storheim K, Myklebust TÅ, Aaen J, Banitalebi H, Anvar M, Rekeland F, Brox JI, Franssen E, Weber C, Solberg TK, Furunes H, Grundnes O, Brisby H, Indrekvam K (2022)
Comparison of 3 Different Minimally Invasive Surgical Techniques for Lumbar Spinal Stenosis: A Randomized Clinical Trial
JAMA Netw Open, 5 (3), e224291
DOI 10.1001/jamanetworkopen.2022.4291, PubMed 35344046

Banitalebi H, Espeland A, Anvar M, Hermansen E, Hellum C, Brox JI, Myklebust TÅ, Indrekvam K, Brisby H, Weber C, Aaen J, Austevoll IM, Grundnes O, Negård A (2022)
Reliability of preoperative MRI findings in patients with lumbar spinal stenosis
BMC Musculoskelet Disord, 23 (1), 51
DOI 10.1186/s12891-021-04949-4, PubMed 35033042

Aaen J, Austevoll IM, Hellum C, Storheim K, Myklebust TÅ, Banitalebi H, Anvar M, Brox JI, Weber C, Solberg T, Grundnes O, Brisby H, Indrekvam K, Hermansen E (2021)
Clinical and MRI findings in lumbar spinal stenosis: baseline data from the NORDSTEN study
Eur Spine J, 31 (6), 1391-1398
DOI 10.1007/s00586-021-07051-4, PubMed 34797405

Austevoll IM, Hermansen E, Fagerland MW, Storheim K, Brox JI, Solberg T, Rekeland F, Franssen E, Weber C, Brisby H, Grundnes O, Algaard KRH, Böker T, Banitalebi H, Indrekvam K, Hellum C, NORDSTEN-DS Investigators (2021)
Decompression with or without Fusion in Degenerative Lumbar Spondylolisthesis
N Engl J Med, 385 (6), 526-538
DOI 10.1056/NEJMoa2100990, PubMed 34347953

Hermansen E, Austevoll IM, Hellum C, Storheim K, Myklebust TÅ, Aaen J, Banitalebi H, Anvar M, Rekeland F, Brox JI, Franssen E, Weber C, Solberg T, Haug KJ, Grundnes O, Brisby H, Indrekvam K (2020)
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
Eur Spine J, 29 (9), 2254-2261
DOI 10.1007/s00586-020-06499-0, PubMed 32556585

Cetinkaya A, Grundnes O, Dolatowski FC (2020)
Acute Paraspinal Compartment Syndrome After Deadlifting: A Case Report
JBJS Case Connect, 10 (2), e0279
DOI 10.2106/JBJS.CC.19.00279, PubMed 32649108

Hermansen E, Myklebust TÅ, Austevoll IM, Rekeland F, Solberg T, Storheim K, Grundnes O, Aaen J, Brox JI, Hellum C, Indrekvam K (2019)
Clinical outcome after surgery for lumbar spinal stenosis in patients with insignificant lower extremity pain. A prospective cohort study from the Norwegian registry for spine surgery
BMC Musculoskelet Disord, 20 (1), 36
DOI 10.1186/s12891-019-2407-5, PubMed 30669998

Austevoll IM, Hermansen E, Fagerland M, Rekeland F, Solberg T, Storheim K, Brox JI, Lønne G, Indrekvam K, Aaen J, Grundnes O, Hellum C (2019)
Decompression alone versus decompression with instrumental fusion the NORDSTEN degenerative spondylolisthesis trial (NORDSTEN-DS); study protocol for a randomized controlled trial
BMC Musculoskelet Disord, 20 (1), 7
DOI 10.1186/s12891-018-2384-0, PubMed 30611229

Hermansen E, Austevoll IM, Romild UK, Rekeland F, Solberg T, Storheim K, Grundnes O, Aaen J, Brox JI, Hellum C, Indrekvam K (2017)
Study-protocol for a randomized controlled trial comparing clinical and radiological results after three different posterior decompression techniques for lumbar spinal stenosis: the Spinal Stenosis Trial (SST) (part of the NORDSTEN Study)
BMC Musculoskelet Disord, 18 (1), 121
DOI 10.1186/s12891-017-1491-7, PubMed 28327114

Johnsen LG, Hellum C, Storheim K, Nygaard ØP, Brox JI, Rossvoll I, Rø M, Andresen H, Lydersen S, Grundnes O, Pedersen M, Leivseth G, Olafsson G, Borgström F, Fritzell P, Norwegian Spine Study Group (2014)
Cost-effectiveness of total disc replacement versus multidisciplinary rehabilitation in patients with chronic low back pain: a Norwegian multicenter RCT
Spine (Phila Pa 1976), 39 (1), 23-32
DOI 10.1097/BRS.0000000000000065, PubMed 24150435

Wilkens P, Scheel IB, Grundnes O, Hellum C, Storheim K (2013)
Prognostic factors of prolonged disability in patients with chronic low back pain and lumbar degeneration in primary care: a cohort study
Spine (Phila Pa 1976), 38 (1), 65-74
DOI 10.1097/BRS.0b013e318263bb7b, PubMed 22718223

Hellum C, Berg L, Gjertsen Ø, Johnsen LG, Neckelmann G, Storheim K, Keller A, Grundnes O, Espeland A, Norwegian Spine Study Group (2012)
Adjacent level degeneration and facet arthropathy after disc prosthesis surgery or rehabilitation in patients with chronic low back pain and degenerative disc: second report of a randomized study
Spine (Phila Pa 1976), 37 (25), 2063-73
DOI 10.1097/BRS.0b013e318263cc46, PubMed 22706091

Hellum C, Johnsen LG, Gjertsen Ø, Berg L, Neckelmann G, Grundnes O, Rossvoll I, Skouen JS, Brox JI, Storheim K, Norwegian Spine Study Group (2012)
Predictors of outcome after surgery with disc prosthesis and rehabilitation in patients with chronic low back pain and degenerative disc: 2-year follow-up
Eur Spine J, 21 (4), 681-90
DOI 10.1007/s00586-011-2145-3, PubMed 22246644

Hellum C, Johnsen LG, Storheim K, Nygaard OP, Brox JI, Rossvoll I, Rø M, Sandvik L, Grundnes O, Norwegian Spine Study Group (2011)
Surgery with disc prosthesis versus rehabilitation in patients with low back pain and degenerative disc: two year follow-up of randomised study
BMJ, 342, d2786
DOI 10.1136/bmj.d2786, PubMed 21596740

Wilkens P, Scheel IB, Grundnes O, Hellum C, Storheim K (2010)
Effect of glucosamine on pain-related disability in patients with chronic low back pain and degenerative lumbar osteoarthritis: a randomized controlled trial
JAMA, 304 (1), 45-52
DOI 10.1001/jama.2010.893, PubMed 20606148

Brox JI, Reikerås O, Nygaard Ø, Sørensen R, Indahl A, Holm I, Keller A, Ingebrigtsen T, Grundnes O, Lange JE, Friis A (2006)
Lumbar instrumented fusion compared with cognitive intervention and exercises in patients with chronic back pain after previous surgery for disc herniation: a prospective randomized controlled study
Pain, 122 (1-2), 145-55
DOI 10.1016/j.pain.2006.01.027, PubMed 16545523

Utvåg SE, Grundnes O, Rindal DB, Reikerås O (2003)
Influence of extensive muscle injury on fracture healing in rat tibia
J Orthop Trauma, 17 (6), 430-5
DOI 10.1097/00005131-200307000-00007, PubMed 12843728

Utvåg SE, Iversen KB, Grundnes O, Reikerås O (2002)
Poor muscle coverage delays fracture healing in rats
Acta Orthop Scand, 73 (4), 471-4
DOI 10.1080/00016470216315, PubMed 12358124

Magnaes B, Kjønniksen I, Dullerud R, Grundnes O, Haagensen Ø, Indahl A, Ljunggren AE, Laerum E, Nygaard Ø, Salvesen R (2002)
[Evaluation of methods in the treatment of lumbar disk prolapse with root avulsion]
Tidsskr Nor Laegeforen, 122 (7), 718-20
PubMed 11998738

Grundnes O, Reikeraas O (2000)
Effects of macrophage activation on bone healing
J Orthop Sci, 5 (3), 243-7
DOI 10.1007/s007760050159, PubMed 10982665

Brox JI, Friis A, Holm I, Grundnes O, Sørensen R, Lange JE, Reikerås O, Indahl A (1999)
[Patients with chronic degenerative spinal disease--can conservative treatment reduce the waiting list for surgery?]
Tidsskr Nor Laegeforen, 119 (12), 1784-7
PubMed 10380596

Utvåg SE, Grundnes O, Reikerås O (1999)
Early muscle-periosteal lesion inhibits fracture healing in rats
Acta Orthop Scand, 70 (1), 62-6
DOI 10.3109/17453679909000960, PubMed 10191751

Grundnes O, Gjerdet NR, Utvåg SE, Reikerås O (1998)
Vascular and structural changes in rat femora following nailing and intramedullary occlusion
J Orthop Res, 16 (3), 293-9
DOI 10.1002/jor.1100160304, PubMed 9671923

Utvåg SE, Grundnes O, Reikerås O (1998)
Effects of lesion between bone, periosteum and muscle on fracture healing in rats
Acta Orthop Scand, 69 (2), 177-80
DOI 10.3109/17453679809117623, PubMed 9602779

Utvåg SE, Grundnes O, Reikerås O (1998)
Graded exchange reaming and nailing of non-unions. Strength and mineralisation in rat femoral bone
Arch Orthop Trauma Surg, 118 (1-2), 1-6
DOI 10.1007/s004020050300, PubMed 9833096

Utvåg SE, Grundnes O, Reikerås O (1998)
Effects of degrees of reaming on healing of segmental fractures in rats
J Orthop Trauma, 12 (3), 192-9
DOI 10.1097/00005131-199803000-00011, PubMed 9553861

Utvåg SE, Grundnes O, Reikeraos O (1996)
Effects of periosteal stripping on healing of segmental fractures in rats
J Orthop Trauma, 10 (4), 279-84
DOI 10.1097/00005131-199605000-00009, PubMed 8723407

Grundnes O, Reikerås O (1995)
Effects of function and weight-bearing on the healing of full-thickness cartilage defects in rats
Scand J Med Sci Sports, 5 (5), 297-301
DOI 10.1111/j.1600-0838.1995.tb00048.x, PubMed 8581573

Utvåg SE, Grundnes O, Reikerås O (1994)
Healing of segmental and simple fractures in rats
Acta Orthop Scand, 65 (5), 559-63
DOI 10.3109/17453679409000914, PubMed 7801763

Grundnes O, Reikerås O (1994)
Nailing and occlusion of the medullary cavity. Flow and mechanical changes in rat femora
Acta Orthop Scand, 65 (2), 175-8
DOI 10.3109/17453679408995429, PubMed 8197852

Grundnes O, Utvåg SE, Reikerås O (1994)
Restoration of bone flow following fracture and reaming in rat femora
Acta Orthop Scand, 65 (2), 185-90
DOI 10.3109/17453679408995431, PubMed 8197854

Grundnes O, Utvåg SE, Reikerås O (1994)
Effects of graded reaming on fracture healing. Blood flow and healing studied in rat femurs
Acta Orthop Scand, 65 (1), 32-6
DOI 10.3109/17453679408993714, PubMed 8154280

Grundnes O, Reikerås O (1993)
The importance of the hematoma for fracture healing in rats
Acta Orthop Scand, 64 (3), 340-2
DOI 10.3109/17453679308993640, PubMed 8322595

Grundnes O, Reikerås O (1993)
Acute effects of intramedullary reaming on bone blood flow in rats
Acta Orthop Scand, 64 (2), 203-6
DOI 10.3109/17453679308994571, PubMed 8498187

Grundnes O, Reikerås O (1993)
The role of hematoma and periosteal sealing for fracture healing in rats
Acta Orthop Scand, 64 (1), 47-9
DOI 10.3109/17453679308994527, PubMed 8451946

Grundnes O, Reikerås O (1993)
Effects of instability on bone healing. Femoral osteotomies studied in rats
Acta Orthop Scand, 64 (1), 55-8
DOI 10.3109/17453679308994529, PubMed 8451948

Grundnes O, Reikerås O (1992)
Closed versus open medullary nailing of femoral fractures. Blood flow and healing studied in rats
Acta Orthop Scand, 63 (5), 492-6
DOI 10.3109/17453679209154721, PubMed 1441941

Grundnes O, Reikerås O (1992)
Blood flow and mechanical properties of healing bone. Femoral osteotomies studied in rats
Acta Orthop Scand, 63 (5), 487-91
DOI 10.3109/17453679209154720, PubMed 1441940

Grundnes O, Reikerås O (1992)
Effects of function on rat femora
Acta Orthop Scand, 63 (1), 70-3
DOI 10.3109/17453679209154854, PubMed 1738977

Grundnes O, Reikerås O (1991)
Mechanical effects of function on bone healing. Nonweight bearing and exercise in osteotomized rats
Acta Orthop Scand, 62 (2), 163-5
DOI 10.3109/17453679108999248, PubMed 2014728

Grundnes O, Reikerås O (1991)
Effect of physical activity on muscle and bone blood flow after fracture. Exercise and tenotomy studied in rats
Acta Orthop Scand, 62 (1), 67-9
DOI 10.3109/17453679108993096, PubMed 2003392

Gunnes P, Reikerås O, Hevrøy O, Grundnes O (1989)
Cardiac effects of secretin; an approach to its mechanisms of action as shown by beta-adrenergic blockade and measurement of left ventricular dimensions in dogs
Scand J Clin Lab Invest, 49 (8), 701-6
DOI 10.3109/00365518909091547, PubMed 2575786

Hevrøy O, Grundnes O, Bjertnaes L, Mjøs OD (1989)
Myocardial blood flow and oxygen consumption during positive end-expiratory pressure ventilation at different levels of cardiac inotropy and frequency
Crit Care Med, 17 (1), 48-52
DOI 10.1097/00003246-198901000-00010, PubMed 2642402

Hevrøy O, Reikerås O, Grundnes O, Mjøs OD (1988)
Cardiovascular effects of positive end-expiratory pressure during acute left ventricular failure in dogs
Clin Physiol, 8 (3), 287-301
DOI 10.1111/j.1475-097x.1988.tb00271.x, PubMed 3042273

Forsdahl A, Grundnes O, Eliassen H, Gamnes J, Hagland R, Ytrehus I (1988)
[Where have Tromsø-trained physicians gone? Relationship between residence and place of education]
Tidsskr Nor Laegeforen, 108 (15), 1225-30
PubMed 3388352

Other articles

Grundnes O (2005)
[Surgery of back pain--still controversial]
Tidsskr Nor Laegeforen, 125 (13), 1789
PubMed 16012540

Book chapters

Magnæs B, Kjønniksen I, Dullerud R, Grundnes O, Haagensen ØH, Indahl A, Ljunggren AE, Lærum E, Nygaard ØP, Salvesen R (2002)
Metodevurdering av behandling ved lumbalt skiveprolaps med rotaffeksjon
In Tidsskrift for Den norske legeforening, Foreningen, Oslo, 122(2002)nr. 7, S. 718-720
BIBSYS 031233287

Theses

Grundnes O (1994)
Studies on bone healing: blood flow and biomechanical testing in rat femora
Department of Orthopedics, Institute of Clinical Medicine, University of Tromsø ; Harstad : Department for Surgery, Harstad Hospital, Tromsø, 1 b. (flere pag.)
BIBSYS 942925777, ISBN 82-7589-034-9