• Development of a pilot cartilage surgery register 

      Engen, Cathrine Nørstad; Årøen, Asbjørn; Engebretsen, Lars (Peer reviewed; Journal article, 2017)
      Background: Norway has no prospective surveillance system to monitor the outcome of knee cartilage surgery. In 2004 the Norwegian Registry of Knee Ligament (NKLR) was successfully established, and has yielded useful ...
    • Knee cartilage surgery: epidemiology, research methods and a proposal for improved surveillance 

      Engen, Cathrine Nørstad (Doctoral thesis, 2017)
      Focal articular cartilage defects (FCDs) of the knee are identified in 20% of knee arthroscopies and are affecting a large and severly troubled group of young, adult patiens. FCDs may subsequently lead to knee osteoarthritis ...