Browsing Brage NIH by Author "Engebretsen, Lars"
Now showing items 1-20 of 140
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2018 International Olympic Committee consensus statement on prevention, diagnosis and management of pediatric anterior cruciate ligament (ACL) injuries
Ardern, Clare L.; Ekås, Guri Ranum; Grindem, Hege; Moksnes, Håvard; Anderson, Allen F.; Chotel, Franck; Cohen, Moises; Forssblad, Magnus; Ganley, Theodore J.; Feller, Julian A.; Karlsson, Jón; Kocher, Minider S.; LaPrade, Robert F.; McNamee, Michael; Mandelbaum, Bert; Micheli, Lyle; Mohtadi, Nicholas; Reider, Bruce; Roe, Justin; Seil, Romain; Siebold, Rainer; Silvers-Granelli, Holly J.; Soligard, Torbjørn; Witvrouw, Erik; Engebretsen, Lars (Journal article; Peer reviewed, 2018)In October 2017, the International Olympic Committee hosted an international expert group of physiotherapists and orthopaedic surgeons who specialise in treating and researching paediatric ACL injuries. Representatives ... -
2023 International Olympic Committee's (IOC) consensus statement on Relative Energy Deficiency in Sport (REDs)
Mountjoy, Margo; Ackerman, Kathryn E.; Bailey, David M.; Burke, Louise M.; Constantini, Naama; Hackney, Anthony C.; Heikura, Ida A.; Melin, Anna; Pensgaard, Anne Marte; Stellingwerff, Trent; Sundgot-Borgen, Jorunn; Torstveit, Monica Klungland; Jacobsen, Astrid Uhrenholdt; Verhagen, Evert ALM; Budgett, Richard; Engebretsen, Lars; Erdener, Uğur (Peer reviewed; Journal article, 2023)Relative Energy Deficiency in Sport (REDs) was first introduced in 2014 by the International Olympic Committee’s expert writing panel, identifying a syndrome of deleterious health and performance outcomes experienced by ... -
6-year follow-up of 84 patients with cartilage defects in the knee : knee scores improved but recovery was incomplete
Løken, Sverre; Heir, Stig; Holme, Ingar Morten K.; Engebretsen, Lars; Årøen, Asbjørn (Journal article; Peer reviewed, 2010-10)Background and purpose: The natural history of focal cartilage injury is largely unknown. In this study we investigated 6-year outcomes in patients with arthroscopically verified, focal, fullthickness cartilage injuries ... -
A Controlled Comparison of Microfracture, Debridement, and No Treatment of Concomitant Full-Thickness Cartilage Lesions in Anterior Cruciate Ligament-Reconstructed Knees: A Nationwide Prospective Cohort Study From Norway and Sweden of 368 Patients With 5-Year Follow-up
Ulstein, Svend; Årøen, Asbjørn; Engebretsen, Lars; Forssblad, Magnus; Lygre, Stein Håkon Låstad; Røtterud, Jan Harald (Journal article; Peer reviewed, 2018)Background: The effect of microfracture (MF) or surgical debridement of concomitant full-thickness cartilage lesions in anterior cruciate ligament–reconstructed knees on patient-reported outcomes remains to be ... -
ACL reconstruction patients have increased risk of knee arthroplasty at 15 years of follow-up: Data from the Norwegian Knee Ligament Register and the Norwegian Arthroplasty Register from 2004 to 2020
Visnes, Håvard; Gifstad, Tone; Persson, Andreas; Lygre, Stein Håkon Låstad; Engebretsen, Lars; Drogset, Jon Olav; Furnes, Ove Nord (Peer reviewed; Journal article, 2022)Background: Anterior cruciate ligament (ACL) injury is considered a risk factor for osteoarthritis. The primary aim of the present study was to investigate the cumulative risk of, and risk factors associated with, a ... -
Activity and functional readiness, not age, are the critical factors for second anterior cruciate ligament injury : the Delaware-Oslo ACL cohort study
Grindem, Hege; Engebretsen, Lars; Axe, Michael; Snyder-Mackler, Lynn; Risberg, May Arna (Peer reviewed; Journal article, 2020)Objective: To elucidate the relationships between age, return to level I sport (RTS) within the first postoperative year, passing RTS criteria and second anterior cruciate ligament (ACL) injury. Methods: In a prospective ... -
Anatomic Anterolateral Ligament Reconstruction of the Knee Leads to Overconstraint at Any Fixation Angle
Schon, Jason M.; Moatshe, Gilbert; Brady, Alex W.; Cruz, Raphael Serra; Chahla, Jorge; Dornan, Grant J.; Turnbull, Travis Lee; Engebretsen, Lars; LaPrade, Robert F. (Journal article; Peer reviewed, 2016-07-12)Background: Anterior cruciate ligament (ACL) tears are one of the most common injuries among athletes. However, the ability to fully restore rotational stability with ACL reconstruction (ACLR) remains a challenge, as ... -
Anteromedial rotatory laxity.
Engebretsen, Lars; Lind, Martin (Journal article; Peer reviewed, 2015-10)This paper describes anteromedial rotatory laxity of the knee joint. Combined instability of the superficial MCL and the structures of the posteromedial corner is the pathological background anteromedial rotatory laxity. ... -
AOSSM Early Sport Specialization Consensus Statement
LaPrade, Robert F.; Agel, Julie; Baker, Joseph; Brenner, Joel S.; Cordasco, Frank A.; Côté, Jean; Engebretsen, Lars; Feeley, Brian T.; Gould, Daniel; Hainline, Brian; Hewett, Timothy E.; Jayanthi, Neeru; Kocher, Mininder S.; Myer, Gregory D.; Nissen, Carl W.; Philippon, Marc J.; Provencher, Matthew T. (Journal article; Peer reviewed, 2016-04-28)Background: Early sport specialization is not a requirement for success at the highest levels of competition and is believed to be unhealthy physically and mentally for young athletes. It also discourages unstructured free ... -
Assessing implementation, limited efficacy, and acceptability of the BEAST tool: A rehabilitation and return-to-sport decision tool for nonprofessional athletes with anterior cruciate ligament reconstruction
Moksnes, Håvard; Ardern, Clare L.; Kvist, Joanna; Engebretsen, Lars; Risberg, May Arna; Myklebust, Grethe; Grindem, Hege (Peer reviewed; Journal article, 2021)Objectives: To assess the implementation, limited efficacy, and acceptability of the BEAST (better and safer return to sport) tool – a rehabilitation and return-to-sport (RTS) decision tool after anterior cruciate ligament ... -
Association of markers of patellofemoral maltracking to cartilage damage and bone marrow lesions on MRI: Data from the 2016 Olympic Games of Rio De Janeiro
Jarraya, Mohamed; Roemer, Frank W.; Engebretsen, Lars; Kompel, Andrew J.; Small, Kirstin M.; Smith, Stacy E.; Guermazi, Ali (Peer reviewed; Journal article, 2021)Background: Patellofemoral joint (PFJ) disease is a common ailment in elite athletes. Our aim is to report the frequency of superolateral Hoffa’s fat pad (SHFP) edema, and PFJ cartilage damage and bone marrow lesions (BML), ... -
Autologous chondrocyte implantation to repair knee cartilage injury : ultrastructural evaluation at 2 years and long term follow up including muscle strength measurements
Løken, Sverre; Ludvigsen, Tom C.; Høysveen, Turid; Holm, Inger; Engebretsen, Lars; Reinholt, Finn P. (Journal article; Peer reviewed, 2009-07-02)Autologous chondrocyte implantation (ACI) usually results in improvement in clinical scores. However, long-term isokinetic muscle strength measurements have not been reported. Biopsies from the repair tissue have shown ... -
Biological treatment of the knee with platelet-rich plasma or bone marrow aspirate concentrates
Moatshe, Gilbert; Morris, Elizabeth R.; Cinque, Mark E.; Pascual-Garrido, Cecilia; Chahla, Jorge; Engebretsen, Lars; LaPrade, Robert F. (Journal article; Peer reviewed, 2017-08-23)Knee pathologies including focal cartilage injuries, osteoarthritis (OA), and ligament injuries are common. The poor regeneration and healing potential of cartilage has led to the search for other treatment modalities with ... -
Bone marrow mesenchymal stem cells in a hyaluronan scaffold for treatment of an osteochondral defect in a rabbit model
Løken, Sverre; Jakobsen, Rune B.; Årøen, Asbjørn; Heir, Stig; Shahdadfar, A.; Brinchmann, J. E.; Engebretsen, Lars; Reinholt, Finn P. (Peer reviewed; Journal article, 2008-07-01)The purpose of this study was to evaluate the efficiency of using mesenchymal stem cells (MSC) in a hyaluronan scaffold for repair of an osteochondral defect in rabbit knee. Bone marrow was harvested from the posterior ... -
CAM-type femoroacetabular impingement in male elite junior cross-country skiers and non-athlete controls: A cross-sectional MRI study
Sveen, Simen Andreas; Martin, RK; Alhaug, Eivind; Engebretsen, Lars (Peer reviewed; Journal article, 2019)OBJECTIVES: Cross-country (CC) skiing consists of two main techniques: classic and skating. Hip motion during the skating technique is similar to that in ice skating and is considered a risk factor for femoroacetabular ... -
Cancer risk in Norwegian world class athletes
Robsahm, Trude Eid; Hestvik, Unn Elisabeth; Veierød, Marit B.; Fagerlie, Arne; Nystad, Wenche; Engebretsen, Lars; Tretli, Steinar (Journal article; Peer reviewed, 2010-06-11)Background: Physical activity appears to be inversely related to cancer risk, although the evidence is convincing for colon cancer only. As physical activity levels are difficult to measure in the general population, ... -
Ceiling Effect of the Combined Norwegian and Danish Knee Ligament Registers Limits Anterior Cruciate Ligament Reconstruction Outcome Prediction
Martin, R. Kyle; Wastvedt, Solvejg; Pareek, Ayoosh; Persson, Andreas; Visnes, Håvard; Fenstad, Anne Marie; Moatshe, Gilbert; Wolfson, Julian; Lind, Martin; Engebretsen, Lars (Peer reviewed; Journal article, 2023)Background: Clinical tools based on machine learning analysis now exist for outcome prediction after primary anterior cruciate ligament reconstruction (ACLR). Relying partly on data volume, the general principle is that ... -
Changes in Knee Osteoarthritis, Symptoms, and Function After Anterior Cruciate Ligament Reconstruction
Risberg, May Arna; Øiestad, Britt Elin; Gunderson, Ragnhild B.; Aune, Arne Kristian; Engebretsen, Lars; Culvenor, Adam G.; Holm, Inger (Journal article; Peer reviewed, 2016)Background: Progression of tibiofemoral (TF) and patellofemoral (PF) osteoarthritis (OA) and changes in knee function more than 15 years after anterior cruciate ligament reconstruction (ACLR) are not well understood. ... -
Coexistence of up-regulated NMDA receptor 1 and glutamate on nerves, vessels and transformed tenocytes in tendinopathy
Schizas, Nikos; Lian, Øystein; Frihagen, Frede; Engebretsen, Lars; Bahr, Roald; Ackermann, Paul W. (Journal article; Peer reviewed, 2009-04-14)Elevated levels of the neurotransmitter glutamate and the presence of its receptor, N-methyl-d-aspartate receptor type 1 (NMDAR1), have been established in patients with tendinopathy, i.e. chronic tendon pain and degeneration. ... -
Comparative Outcomes Occur After Superficial Medial Collateral Ligament Augmented Repair vs Reconstruction: A Prospective Multicenter Randomized Controlled Equivalence Trial
LaPrade, Robert F.; DePhillipo, Nicholas; Dornan, Grant J.; Kennedy, Mitchell I.; Cram, Tyler R.; Dekker, Travis J.; Strauss, Marc Jacob; Engebretsen, Lars; Lind, Martin (Peer reviewed; Journal article, 2022)Background: Although previous studies have reported good short-term results for superficial medial collateral ligament (sMCL) reconstruction, whether an augmented MCL repair is clinically equivalent remains unclear. ...