2023

• Håberg, Øyvind; Foss, Olav A.; Gundersen, Trude; Lian, Øystein Bjerkestrand; Hoel, Myrthle Slettvåg; Holen, Ketil Jarl. (2023) The incidence of late-detected developmental dysplasia of the hip and its functional outcomes: a 17-year cohort study using selective ultrasound screening. Acta Orthopaedica
  Academic article

2022

• Håberg, Øyvind; Bremnes, Thomas Alexander; Foss, Olav A.; Angenete, Oskar W; Lian, Øystein Bjerkestrand; Holen, Ketil Jarl. (2022) Children treated for developmental dysplasia of the hip at birth and with normal acetabular index at 1 year: How many had residual dysplasia at 5 years?. Journal of Children's Orthopaedics
  Academic article

2021

• Øhrn, Frank-David; Lian, Øystein Bjerkestrand; Tsukanaka, Masako; Röhrl, Stephan Maximillian. (2021) Early migration of a medially stabilized total knee arthroplasty : a radiostereometric analysis study up to two years. Bone & Joint Open (BJO)
  Academic article
• Sevaldsen, Kirsti; Husby, Otto Schnell; Lian, Øystein Bjerkestrand; Farran, Kamel Mohamed; Husby, Vigdis Schnell. (2021) Is the French Paradox cementing philosophy superior to the standard cementing? A randomized controlled RSA trial and comparative analysis of femoral stem migration pattern between the line-to-line and standard cementing of a highly polished stem. The Bone & Joint Journal
  Academic article

2020

• Aae, Tommy Frøseth; Karlsen, Tommy Aleksander; Bos-Haugen, Ida Kristin; Risberg, May Arna; Lian, Øystein Bjerkestrand; Brinchmann, Jan E.. (2020) Evaluating plasma extracellular vesicle microRNAs as possible biomarkers for osteoarthritis. Osteoarthritis and Cartilage Open
  Short communication
• Aae, Tommy Frøseth; Lian, Øystein Bjerkestrand; Årøen, Asbjørn; Engebretsen, Lars; Randsborg, Per-Henrik. (2020) Compensation claims after knee cartilage surgery is rare. A registry-based study from Scandinavia from 2010 to 2015. BMC Musculoskeletal Disorders
  Academic article
• Øhrn, Frank-David; Gøthesen, Øystein; Lygre, Stein Håkon Låstad; Peng, Yi; Lian, Øystein Bjerkestrand; Lewis, Peter L. (2020) Decreased survival of medial pivot designs compared with cruciate-retaining designs in TKA without patellar resurfacing. Clinical Orthopaedics and Related Research
  Academic article
• Sevaldsen, Kirsti; Husby, Otto Schnell; Lian, Øystein Bjerkestrand; Husby, Vigdis Schnell. (2020) Does the line-to-line cementing technique of the femoral stem create an adequate cement mantle?. HIP International
  Academic article
• Håberg, Øyvind; Foss, Olav A.; Lian, Øystein Bjerkestrand; Holen, Ketil Jarl. (2020) Is foot deformity associated with developmental dysplasia of the hip?. The Bone & Joint Journal
  Academic article

2017

• Aae, Tommy Frøseth; Randsborg, Per-Henrik; Lurås, Hilde; Årøen, Asbjørn; Lian, Øystein Bjerkestrand. (2017) Microfracture is more cost-effective than autologous chondrocyte implantation: a review of level 1 and level 2 studies with 5 year follow-up. Knee Surgery, Sports Traumatology, Arthroscopy
  Academic article

2014

• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Scott, Alex; Nassab, Paulina; Fearon, Angela; Engebretsen, Lars. (2014) Rotator cuff tear degeneration and cell apoptosis in smokers versus nonsmokers. Arthroscopy: The Journal of Arthroscopy And Related
  Academic article
• Attia, Mohamed; Scott, Alexander; Carpentier, Gilles; Lian, Øystein Bjerkestrand; Van Kuppevelt, Toin; Gossard, Camille. (2014) Greater glycosaminoglycan content in human patellar tendon biopsies is associated with more pain and a lower VISA score. British Journal of Sports Medicine
  Academic article
• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Engebretsen, Lars. (2014) The role of apoptosis in rotator cuff tendinopathy. Universitetet i Oslo Universitetet i Oslo
  Doctoral dissertation

2013

• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Engebretsen, Lars; Scott, Alex. (2013) Lower muscle regenerative potential in full-thickness supraspinatus tears compared to partial-thickness tears. Acta Orthopaedica
  Academic article
• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Scott, A; Fearon, A; Engebretsen, Lars. (2013) Røyking medfører øket supraspinatustendinopati og apoptose.
  Other
• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Scott, Alex; Engebretsen, Lars. (2013) Increased levels of apoptosis and p53 in partial-thickness supraspinatus tendon tears. Knee Surgery, Sports Traumatology, Arthroscopy
  Academic article

2012

• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Scott, A; Engebretsen, Lars. (2012) Fulltykkelse rupturer av supraspinatussenen har signifikant redusert muskel-regenerasjonsppotensiale.
  Other
• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Scott, A; Engebretsen, Lars. (2012) Øket forekomst av apoptose og øket P53-aktivitet ved partielle supraspinatussenerupturer.
  Other
• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Scott, A; Engebretsen, Lars. (2012) Increased levels of apoptosis and P53 in partial-thickness supraspinatus tendon tears.
  Other
• Lundgreen, Kirsten; Lian, Øystein Bjerkestrand; Scott, A; Engebretsen, Lars. (2012) Full-thickness supraspinatus tears demonstrate significant deterioration of muscle regenerative potential.
  Other
• Schizas, Nikos; Weiss, Rudiger; Lian, Øystein Bjerkestrand; Frihagen, Frede Jon; Bahr, Roald; Ackermann, Paul W.. (2012) Glutamate receptors in tendinopathic patients. Journal of Orthopaedic Research
  Academic article

2011

• LUNDGREEN, KIRSTEN; Lian, Øystein Bjerkestrand; Engebretsen, Lars; Scott, Alex. (2011) Tenocyte apoptosis in the torn rotator cuff: a primary or secondary pathological event?. British Journal of Sports Medicine
  Academic article

2010

• Bahr, Roald; Ackermann, Paul W; Schizas, Nikos; Lian, Øystein; Frihagen, Frede; Engebretsen, Lars. (2010) Glutamate receptors in tendinopathy. Knee Surgery, Sports Traumatology, Arthroscopy
  Abstract
• Schizas, Nikos; Lian, Øystein; Frihagen, Frede Jon; Engebretsen, Lars; Bahr, Roald; Ackermann, Paul W. (2010) Coexistence of up-regulated NMDA receptor 1 and glutamate on nerves, vessels and transformed tenocytes in tendinopathy. Scandinavian Journal of Medicine & Science in Sports
  Academic article
• Lundgreen, Kirsten; Scott, Alex; Lian, Øystein; Engebretsen, Lars. (2010) Apoptosis in full-thickness tears of the supraspinatus tendon. Knee Surgery, Sports Traumatology, Arthroscopy
  Abstract

2008

• Scott, Alex; Lian, Øystein; Bahr, Roald; Hart, D.A.; Duronio, V; Khan, Karim. (2008) Increased mast cell numbers in human patellar tendinosis: correlation with symptom duration and vascular hyperplasia. British Journal of Sports Medicine
  Academic article
• Scott, Alex; Lian, Øystein; Roberts, C.R.; Cook, J.L.; Cook, Jill; Handley, C.J.. (2008) Increased versican content is associated with tendinosis pathology in the patellar tendon of athletes with jumper's knee. Scandinavian Journal of Medicine & Science in Sports
  Academic article
• Scott, Alex; Lian, Øystein; Bahr, Roald; Hart, D.A.; Duronio, V. (2008) VEGF expression in patellar tendinopathy: A preliminary study. Clinical Orthopaedics and Related Research
  Academic article

2007

• Lian, Øystein; Scott, Alex; Bahr, Roald; Engebretsen, Lars; Duronio, V; Khan, Karim. (2007) Excessive apoptosis in patellar tendinopathy in athletes. American Journal of Sports Medicine
  Academic article
• Lian, Ø.; Engebretsen, Lars; Bahr, R.; Duronio, V.; Khan, K.. (2007) Excessive apoptosis in patellar tendinopathy in athletes. American Journal of Sports Medicine
  Academic article

2006

• Bahr, Roald; Lian, Øystein; Dahl, P; Ackermann, Paul W; Frihagen, Frede; Engebretsen, Lars. (2006) Pronociceptive and antinociceptive neuromediators in patellar tendinopathy. American Journal of Sports Medicine
  Academic article

2005

• Bahr, Roald; Lian, Øystein; Engebretsen, Lars. (2005) Prevalence of jumper's knee among elite athletes from different sports : a cross-sectional study. American Journal of Sports Medicine
  Academic article
• Scott, A; Khan, Karim; Heer, J; Cook, J.L; Lian, Øystein; Duronio, V. (2005) High strain mechanical loading rapidly induces tendon apoptosis: an ex vivo tar tibialis anterior model. British Journal of Sports Medicine
  Academic article
• Lian, Ø.; Engebretsen, Lars; Bahr, Roald. (2005) Prevalence of Jumper's Knee Among Elite Athletes From Different Sports. A Cross-sectional Study. American Journal of Sports Medicine
  Academic article

2003

• Lian, Ø.; Refsnes, P-E; Engebretsen, Lars; Bahr, Roald. (2003) Performance characteristics of volleyball players with patellar tendinopathy. American Journal of Sports Medicine
  Academic article
• Lian, Øystein; Bahr, Roald; Refsnes, Per Egil; Engebretsen, Lars. (2003) Performance characteristics of volleyball players with patellar tendinopathy. American Journal of Sports Medicine
  Academic article

1997

• Bahr, Roald; Lian, Øystein; Bahr, Ingrid Aase. (1997) A twofold reduction in the incidence of ankle sprains in volleyball after the introduction of an injury prevention program - a prospective cohort study. ?
  Academic article

1996

• Lian, Ø.; Holen, K. J.; Engebretsen, Lars; Bahr, Roald. (1996) Relationship between symptoms of jumper's knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players. Scandinavian Journal of Medicine & Science in Sports
  Academic article
• Lian, Ø.; Holen, K. J.; Engebretsen, Lars; Bahr, Roald. (1996) Relationship between symptoms of jumper's knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players. Scandinavian Journal of Medicine & Science in Sports
  Academic article
• Bahr, Roald; Lian, Øystein; Holen, Ketil; Engebretsen, Lars. (1996) Relationship between symptoms of jumper's knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players. ?
  Academic article
• Bahr, Roald; Lian, Ø.; Engebretsen, L.; Øvrebø, R.V.. (1996) Characteristics of the leg extensors in male volleyball player's with jumper's knee. ?
  Academic article
• Bahr, Roald; Lian, Øystein; Holen, Ketil; Engebretsen, Lars. (1996) Relationship between symptoms of jumper's knee and the ultrasound characteristics of the patellar tendon among high level male volleyball players. ?
  Academic article
• Lian, Ø.; Engebretsen, Lars; Øvrebø, R; Bahr, R. (1996) Characteristics of the leg extensors in male volleyball players with jumper's knee. American Journal of Sports Medicine
  Academic article