Blar i Bergen Open Research Archive på forfatter "Gjertsen, Øivind"
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Fat in the lumbar multifidus muscles - predictive value and change following disc prosthesis surgery and multidiciplinary rehabilitation in patients With chronic low back pain and degenerative disc: 2-year follow-up of a randomized trial
Storheim, Kjersti; Berg, Linda; Hellum, Christian; Gjertsen, Øivind; Neckelmann, Gesche F; Espeland, Ansgar; Keller, Anne; Norwegian Spine Study Group (Peer reviewed; Journal article, 2017-04-04)Background: Evidence is lacking on whether fat infiltration in the multifidus muscles affects outcomes after total disc replacement (TDR) surgery and if it develops after surgery. The aims of this study were 1) to investigate ... -
Reliability of MRI findings in candidates for lumbar disc prosthesis
Berg, Linda; Neckelmann, Gesche; Gjertsen, Øivind; Hellum, Christian; Johnsen, Lars Gunnar; Eide, Geir Egil; Espeland, Ansgar (Peer reviewed; Journal article, 2012-07)Introduction: Limited reliability data exist for localised magnetic resonance imaging (MRI) findings relevant to planning of treatment with lumbar disc prosthesis and later outcomes. We assessed the reliability of such ...