Blar i SIHF Open Archive på forfatter "Nygaard, Øystein Petter"
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Criteria for failure and worsening after surgery for lumbar disc herniation: a multicenter observational study based on data from the Norwegian Registry for Spine Surgery
Werner, David Andreas Thomas; Grotle, Margreth; Gulati, Sasha; Austevoll, Ivar Magne; Lønne, Greger; Nygaard, Øystein Petter; Solberg, Tore (Journal article; Peer reviewed, 2017)Purpose In clinical decision-making, it is crucial to discuss the probability of adverse outcomes with the patient. A large proportion of the outcomes are difficult to classify as either failure or success. Consequently, ... -
Inter-and Intraobserver Agreement of Morphological Grading for Central Lumbar Spinal Stenosis on Magnetic Resonance Imaging
Weber, Clemens; Rao, Vidar; Gulati, Sasha; Kvistad, Kjell Arne; Nygaard, Øystein Petter; Lønne, Greger (Journal article; Peer reviewed, 2015)Abstract Study Design Validation study of a morphological grading system for central lumbar spinal stenosis. Objective To evaluate and validate the inter- and intraobserver agreement of a morphological grading system ...