• 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 ...
    • Major increase in incidence of pediatric ACL reconstructions from 2005 to 2021: A study from the Norwegian Knee Ligament Register 

      Tveiten, Caroline Emilie Van Woensel Kooy; Jakobsen, Rune Bruhn; Fenstad, Anne Marie; Persson, Andreas; Visnes, Håvard; Engebretsen, Lars; Ekås, Guri Ranum (Peer reviewed; Journal article, 2023)
      Background: The incidence of pediatric and adolescent anterior cruciate ligament reconstruction (ACLR) is increasing in several countries. It is uncertain whether this trend applies to countries that traditionally prefer ...