Blar i forfatter "Sørlie, Andreas"

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    • Open discectomy vs microdiscectomy for lumbar disc herniation - a protocol for a pragmatic comparative effectiveness study 

      Sørlie, Andreas; Gulati, Sasha; Giannadakis, Charalampis; Carlsen, Sven Magnus; Salvesen, Øyvind; Nygaard, Øystein Petter; Solberg, Tore (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-09-02)
      Introduction:<br>Since the introduction of lumbar microdiscectomy in the 1970’s, many studies have attempted to compare the effectiveness of this method with that of standard open discectomy with conflicting results. This observational study is designed to compare the relative effectiveness of microdiscectomy (MD) with open discectomy (OD) for treating lumbar disc herniation, -within a large cohort, ...

    • Would loss to follow-up bias the outcome evaluation of patients operated for degenerative disorders of the lumbar spine? 

      Solberg, Tore; Sørlie, Andreas; Sjåvik, Kristin; Nygaard, Øystein Petter; Ingebrigtsen, Tor (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      Loss to follow-up may bias the outcome assessments of clinical registries. In this study, we wanted to determine whether outcomes were different in responding and non-responding patients who were included in a clinical spine surgery registry, at two years of follow-up. In addition, we wanted to identify risk factors for failure to respond. 633 patients who were operated for degenerative disorders ...