• Randsborg PH, Aae TF, Bukholm IRK, Fenstad AM, Furnes O, Jakobsen RB. Compensation claims after knee arthroplasty surgery in Norway 2008-2018. Acta Orthop. 2021 Apr;92(2):189-193.
  Randsborg PH- Compensation claims after knee.. (PDF)
  

• Dale H, Høvding P, Tveit SM, Graff JB, Lutro O, Schrama JC, Wik TS, Skråmm I, Westberg M, Fenstad AM, Hallan G, Engesæter LB, Furnes O. Increasing but levelling out risk of revision due to infection after total hip arthroplasty: a study on 108,854 primary THAs in the Norwegian arthroplasty register from 2005 to 2019. Acta Orthop. 2021 Apr;92(2):208-214.      
  Dale H-Increasing but levelling out risk of revision. (PDF).   
  Dale H-Supplement (PDF)

• Irmola T, Ponkilainen V, Mäkelä KT, Robertsson O, W-Dahl A, Furnes O, Fenstad AM, Pedersen AB, Schrøder HM, Eskelinen A, Niemeläinen MJ. Association between fixation type an revision risk in total knee arthroplasty patients aged 65 years and older: a cohort study of 265,877 patients from the Nordic arthroplasty register association 2000-2016. Acta Orthop. 2021 Feb;92(1):91-96.
  Art_Irmola T-Association between fixation type..(PDF)
  
  
• Pedersen AB, Mailhac A, Garland A, Overgaard S, Furnes O, Lie SA, Fenstad AM, Rogmark C, Kärrholm J, Rolfson O, Haapakoski J, Eskelinen A, Mäkelä K, Hailer NP. Similar early mortality risk after cemented compared with cementless total hip arthroplasty for primary osteoarthritis: data from 188,606 surgeries in the Nordic arthroplasty register associoation database. Acta Orthop. 2021 Feb;92(1):47-53.
  Art_Pedersen A-Similar early mortality risk..(PDF)
  

• Van Steenbergen LN, Mäkelä KT, Kärrholm J, Rolfson O, Overgaard S, Furnes O, Pedersen AB, Eskelinen A, Hallan G, Schreurs BW, Nelissen RG. Total hip arthroplasties in the Dutch arthroplasty register (LROI) and the Nordic arthroplasty register associaton (NARA): comparison of patient and procedure characteristics in 475,685 cases. Acta Orthop. 2021 Feb;92(1):15-22.
  Art_Van Steenbergen L-Total hip arthroplasties in the Dutch..(PDF)
  
  
• Leta TH, Gjertsen JE, Dale H, Hallan G, Lygre SHL, Fenstad AM, Dyrhovden GS, Westberg M, Wik TS, Jakobsen RB, Aamodt A, Röhrl SM, Gøthesen ØJ, Lindalen E, Heir S, Ludvigsen J, Bruun T, Hansen AK, Aune KEM, Warholm M, Skjetne JP, Badawy M, Høvding P, Husby OS, Karlsen ØE, Furnes O. Antibiotic-loaded bone cement in prevention of periprosthetic joint infections in primary total knee arthroplasty: A register- based multicentre randomised controlled non- inferiority trial (ALBA trial). BMJ Open. 2021 Jan 28;11(1):e041096.
  Leta - Antibiotic Loaded Bone Cement in Prevention..(PDF)​
  
  
• Vakalopoulos K, Arner M, Denissen G, Rodrigues J, Schädel-Höpfner M, Krukhaug Y, Page R, Lübbeke A. Current national hand surgery registries worldwide. J Hand Surg Eur Vol. 2021 Jan;46(1):103-106.
  ​Vakalopoulos K- Current national hand registries..(PDF)​​
  

• Pollmann CT, Gjertsen JE, Dale H, Straume-Næsheim TM, Dybvik E, Hallan G. Operative approach influenses functional outcome after DAIR for infected total hip arthroplasty. Bone Joint J. 2020 Dec;102-B(12):1662-1669.
  Pollmann C.T - Operative approach infulences..(PDF)​
  
  
• Gjertsen JE. CORR Insights: Is the survivorship of Birmingham hip resurfacing better than selected conventional hip arthroplasties in men younger than 65 years of age? A study from the Australian orthopaedic association national joint replacement registry. Clin Orthop Relat Res. 2020 Nov;478(11):2637-2639.
  Art_Gjertsen - CORR Insights-Is the Survivorship..(PDF)
  
  
• Halvorsen V, Fenstad AM, Röhrl SM, Engesæter LB, Nordsletten L, Terjesen T, Furnes O, Hallan G. Hoftelidelser hos barn og unge- utredning og behandling av senfølger. Tidsskr Nor Laegeforen. 2020 Nov 23;140(17).
  Halvorsen V-hoftelidelser hos barn og unge..(PDF)
  
  
• Trela-Larsen L, Kroken G, Bartz-Johannessen C, Sayers A, Aram P, McCloskey E, Kadirkamanathan V, Blom AW, Lie SA, Furnes O, Wilkinson JM. Personalized estimation of one-year mortality risk after elective hip or knee arthroplasty for osteoarthritis. Jointcalc model development and validation using the National joint registry and the Norwegian arthroplasty register. Supplementary data. Bone Joint Res. 2020 Nov 11;9(11):808-820.
  Art_Trela-Larsen L-Personalized estimation..(PDF)
  Art_Trela-Larsen L-Supplementary material..(PDF).
  

• Dybvik E, Furnes O, Havelin LI, Fosså SD, Trovik C, Lie SA. A prospective study on cancer risk after total hip replacements for 41,402 patients linked to the cancer registry of Norway. BMC Musculoskelet Disord. 2020 Sep 8;21(1):599.
  Art_Dybvik E-Cancer risk after totalhip..(PDF)
  

• Unbehaun D, Rasmussen S, Hole R, Fenstad AM, Salomonsson B, Demir Y, Jensen SL, Brorson S, Äärimaa V, Mechlenburg I, Rasmussen JV. Low arthroplasty survival after treatment for proximal humerus fracture sequelae: 3,245 shoulder replacemets from the Nordic arthroplasty register association. Acta Orthopaedica. 2020 Jul 17;[Epub ahead of print].
  Art_Unbehaun D-Low arthroplasty survival..)PDF)
  

• Hallan G, Fenstad AM, Furnes O. What is the frequency of fracture of ceramic components in THA? Results from the Norwegian arthroplasty register from 1997 to 2017. Clin Orthop Relat Res. 2020 Apr 22;478(6):1254-1261.
  Art_Hallan G-What is the frequency..(PDF)
  

• Lewis PL, Tudor F, Lorimer M, McKie J, Bohm E, Robertsson O, Mäkelä KT, Haapakoski J, Furnes O, Bartz-Johannessen C, Nelissen RGHH, Van Steenbergen LN, Fithian DC, Prentice HA. Short-term revision risk of patellofemoral arthroplasty is high: An analysis from eight large arthroplasty registries. Clin Orthop Relat Res. 2020 Apr 17;478(6):1222-1231.
  Art_Lewis P-Short-term revision..(PDF)
  

• Niemeläinen MJ, Mäkelä KT, Robertsson O, W-Dahl A, Furnes O, Fenstad AM, Pedersen AB, Schrøder HM, Reito A, Eskelinen A. The effect of fixation type on the survivorship of contemporary total knee arthroplasty in patients younger than 65 years of age: a register-based study of 115,177 knees in the Nordic arthroplasty register association (NARA) 2000-2016. Supplementary data. Acta Orthop. 2020 Apr;91(2):184-190.
  Art_Niemelainen MJ-The effect of fixation type.pdf
  Art_Niemeläinen M-Supplementary.pdf​
  
  
• Dale H, Børsheim S, Kristensen TB, Fenstad AM, Gjertsen JE, Hallan G, Lie SA, Furnes O. Perioperative, short, and long-term mortality 
  related to fixation in primary total hip arthroplasty: a study on 79,557 patients in the Norwegian arthroplasty register. Acta Orthop. 2020 Apr;91(2):152-158.
  Art_Dale - Perioperative short and long term.pdf
  
  
• Tsikandylakis G, Kärrholm JN, Hallan G, Furnes O, Eskelinen A, Mäkelä K, Pedersen AB, Overgaard S, Mohaddes M. Is there a reduction in risk of revision when 36-mm heads instead of 32 mm are used in total hip arthroplasty for patients with proximal femur fractures? Acta Orthop.​ 2020 Apr 14;91(4):401-407.
  Art_Tsikandylakis G-Is there a reduction.pdf
  

• Langvatn H, Schrama JC, Cao G, Hallan G, Furnes O, Lingaas E, Walenkamp G, Engesæter LB, Dale H. Operating room ventilation and the risk of revision due to infection after total hip arthroplasty: assessment of validated data in the Norwegian arthroplasty register. J Hosp Infect. 2020 Apr 11;105(2):216-224.
  Art_Langvatn H-Operating room ventilation.pdf
  

• Dale H, Børsheim S, Kristensen TB, Fenstad AM, Gjertsen JE, Hallan G, Lie SA, Furnes O. Fixation, sex, and age: highest risk of revision for uncemented stems in elderly women- data from 66,995 primary total hip arthroplasties in the Norwegian arthroplasty register. Supplementary data. Acta Orthop. 2020 Feb;91(1):33-41.
  Art_Dale H-Fixation,sex and age.pdf
  Art_Dale H -supplement fixation.pdf
  
  
• Øhrn FD, Gøthesen Ø, Låstad Lygre SH, Peng Y, Lian ØB, Lewis PL, Furnes O, Röhrl SM. Decreased survival of medial pivot designs compared with cruciate-retaining designs in TKA without patellar resurfacing. Clin Orthop Relat Res. 2020 Jan 17;478(6):1207-1218.
  Art_Øhrn FD- Decreased Survival of.pdf
  
  
• Lehtimäki K, Rasmussen JV, Kukkonen J, Salomonsson B, Arverud ED, Hole R, Fenstad AM, Brorson S, Lund Jensen S, Äärimaa V. Low risk of revision after reverse shoulder arthroplasty for acute proximal humeal fractures. JSES int. 2020 Jan 2;4(1):151-155.
  Art_Lehtimäki K-Low risk of revision..(PDF).
  

• ​Weldingh E, Johnsen MB, Hagen KB, Østerås N, Risberg MA, Natvig B, Slatkowsky-Christensen B, Fenstad AM, Furnes O, Nordsletten L, Magnusson K. The maternal and paternal effects on clinically and surgically defined osteoarthritis. Arthritis Rheumatol. 2019 Nov;71(11):1844-1848​.
  Art_Weldingh-Maternal and Paternal effects.pdf
  
  
• Langvatn H, Bartz-Johannessen C, Schrama JC, Hallan G, Furnes O, Lingaas E, Walenkamp G, Engesæter LB, Dale H. ‎Ventilasjonsvalidering av driftsromsvalidering av rapporterte data om 108 067 primærtotale hofteartrodlastikker i det norske leddgiktregisteret‎. J Eval Clin Pract. 2019 Oct 9;26(3):1022-1029.
  Art_Langvatn H.pdf
  ​

• Bartz-Johannessen C, Furnes O, Fenstad AM, Lie SA, Pedersen AB, Overgaard S, Kärrholm J, Malchau H, Mäkelä K, Eskilinen A, Wilkinson JM. Homogeneity in prediction of survival probabilities for subcategories of hipprosthesis data: the Nordic arthroplasty register association, 2000-2013. Clin Epidem. 2019 Jul 29;11:519-524.
  Art_Bartz-Johannessen-Homogeneity in prediction.pdf
  

• Jobory A, Kärrholm J, Overgaard S, Becic Pedersen A, Hallan G, Gjertsen JE, Mäkelä K, Rogmark C. Reduced revision risk for dual-mobility cup in total hip replacement due to hip fracture: A matched-pair analysis of 9,040 cases from the Nordic arthroplasty register association (NARA). J Bone Joint Surg Am. 2019 Jul 17;101(14):1278-1285.
  Art_Jobory-Reduced Revision Risk for Dual-Mobility.pdf
  

• Badawy M, Fenstad AM, Furnes O. Primary constrained and hinged total knee arthroplasty: 2- and 5- year revision risk compared with unconstrained total knee arthroplasty: a report on 401 cases from the Norwegian arthroplasty register 1994-2017. Acta Ortop. 2019 Jun 18;90(5):467-472.
  Art_Badawy M-Primary constrained.pdf​
  

• Leta TH, Lygre SHL, Schrama JC, Hallan G, Gjertsen JE, Dale H, Furnes O. Outcome of revision surgery for infection after total knee arthroplasty: Results of 3 surgical strategies. JBJS Rev. 2019 Jun 11;7(6):e4.
  Art_LetaT-Outcome of revision.pdf
  

• Varnum C, Pedersen AB, Rolfson O, Rogmark C, Furnes O, Hallan G, Mäkelä K, de Steiger R, Porter M, Overgaard S. Impact of hip arthroplasty registers on orthopaedic practice and perspectives for the future. EFORT open Rev. 2019 Jun 3;4(6):368-376.
  Art_Varnum C-impact of hip arthroplasty.pdf
  

• Mäkelä KT, Furnes O, Hallan G, Fenstad AM, Rolfson O, Kärrholm J, Rogmark C, Pedersen AB, Robertsson O, W-Dahl A, Eskelinen A, Schrøder HM, Äärimaa V, Rasmussen JV, Salomonsson B, Hole R, Overgaard S. The benefits of collaboration: the Nordic Arthroplasty Register Association. EFORT open rev. 2019 Jun 3;4(6):391-400.
  Art_Mäkelä K- Benefits of collaboration.pdf
  

• Pijls BG, Meessen JMTA, Tucker K, Stea S, Steenbergen L, Fenstad AM, Mäkelä K, Stoica IC, Goncharov M, Overgaard S, De La Torre JA, Lübbeke A, Rolfson O, Nelissen RGHH. MoM total hip replacements in Europe: a NORE report. EFORT open Rev. 2019 Jun 3;4(6):423-429.
  Art_Pijls BG-MoM total hip replacement.pdf
  

• Halvorsen V, Fenstad AM, Engesæter LB, Nordsletten L, Overgaard S, Pedersen AB, Kärrholm J, Mohaddes M, Eskelinen A, Mäkelä KT, Röhrl SM. Outcome of 881 total hip arthroplasties in 747 patients 21 years younger: data from the Nordic arthroplasty register associaton (NARA) 1995-2016. Acta Orthop. 2019 May 15;90(4):331-337.
  Art_Halvorsen V-Outcome of 881.pdf
  

• Pedersen AB, Andersen IT, Overgaard S, Fenstad AM, Lie SA, Gjertsen JE, Furnes O. Optimal duration of anticoagulant thromboprophylaxis in total hip arthroplasty: new evidence in 55,540 patients with osteoarthritis from the Nordic Arthroplasty Register Association (NARA) group. Acta Orthop. 2019 May 7;90(4):298-305.
  Art_Pedersen AB -optimal duration of anticoagulant.pdf
  

• Rasmussen JV, Harjula J, Arverud ED, Hole R, Jensen SL, Brorson S, Fenstad AM, Salomonsson B, Äärimaa V. The short-term survival of total shoulder arthroplasty for osteoarthritis is comparable to that of total stemmed shoulder arthroplasty: a Nordic arthroplasty register association study. J Shoulder Elbow Surg. 2019 Apr 28;28(8):1578-1586.
  Art_Rasmussen JV- The short-term survival.pdf
  

• MacInnes SJ, Hatzikotoulas K, Fenstad AM, Shah K, Southam L, Tachmazidou I, Hallan G, Dale H, Panoutsopoulou K, Furnes O, Zeggini E, Wilkinson JM. Erratum to: The 2018 Otto Aufranc Award: How does genome-wide variation affect osteolysis risk after THA? Clin Orthop Relat Res. 2019 Mar;477(3):668.
  Art_MacInnes SJ- Erratum to.pdf
  

• MacInnes SJ, Hatzikotoulas K, Fenstad AM, Shah K, Southam L, Tachmazidou I, Hallan G, Dale H, Panoutsopoulou K, Furnes O, Zeggini E, Wilkinson M. The 2018 Otto Aufranc Award: How does genome-wide variation affect osteolysis risk after THA? Clin Orthop Relat Res. 2019 Feb;477(2):297-309.
  ​Art_MacInnes SJ-The 2018 Otto Aufranc Award.pdf
  

• Gromov K, Troelsen A, Modaddes M, Rolfson O, Furnes O, Hallan G, Eskelinen A, Neuvonen P, Husted H. Varying but reduced use of postoperative mobilization restrictions after primary total hip arthroplasty in Nordic countries: a questionnaire-based study. Acta Orthop. 2019 Apr;90(2):143-147.
  Art_Gromov K-Varying but reduced.pdf
  

• Kreipke R, Rogmark C, Pedersen AB, Kärrholm J, Hallan G, Havelin LI, Mäkelä K, Overgaard S. Dual mobility cups: Effect on risk of revision of primary total hip arthroplasty due to osteoarthritis. J Bone Joint Surg AM. 2019 Jan 16;101(2):169-176.
  Art_Kreipke R- Dual mobility.pdf
  

• Tsikandylakis G, Kärrholm J, Hailer NP, Eskelinen A, Mäkelä KT, Hallan G, Furnes O, Pedersen AB, Overgaard S, Mohaddes M. No increase in survival for 36-mm versus 32-mm femoral heads in metal-on-polyethylene THA: A registry study. Clin Orthop Relat Res. 2018 Dec;476(12):2367-2378.
  Art_Tsikandylakis G-No increase in survival.pdf
  

• Lehtimäki K, Rasmussen JV, Mokka J, Salomonsson B, Hole R, Jensen SL, Äärimaa V. Risk and risk factors for revision after primary reverse shoulder arthroplasty for cuff tear arthroplasty an osteoarthritis: a Nordic arthroplasty register association study. J Shoulder Elbow Surg. 2018 Sep;27(9):1596-1601.
  Art_Lehtimäki K-Risk and risk factors.pdf
  

• Furnes O. International registry collaboration and statistical approaches. Acta Orthop. 2018 Aug;89(4):367.
  Art_Furnes O-international registry collaboration.pdf
  

• Magnusson K, Scurrah KJ, Ørstavik RE, Nilsen TS, Furnes O, Hagen KB. Is the association between obesity and hip osteoarthritis surgery explained by familial confounding? Epidemiology. 2018 May;29(3):414-420.
  Art_Magnusson K- Is the association between obesity.pdf
  

• Rasmussen JV, Hole R, Methlie T, Brorson S, Äärimaa V, Demir Y, Salomonsson B, Jensen SL. Anatomical total shoulder arthroplasty used for glenohumeral osteoarthritis has higher survival rates than hemiarthroplasty: a Nordic registry-based study. Osteoarthritis Cartilage. 2018 Feb 21;26(5):659-665.
  Art_Rasmussen JV- Anatomical total shoulder.pdf
  

• Krukhaug Y, Hallan G, Dybvik E, Lie SA, Furnes O. A survivorship study of 838 total elbow replacements: a report from the Norwegian Arthroplasty Register 1994-2016. J Shoulder Elbow Surg. 2018 Jan;260-269.
  Art_KrukhaugY- A survivorship study.pdf
  

• Hellevik AI, Johnsen MB, Langhammer A, Baste V, Furnes O, Storheim K, Zwart JA, Flugsrud GB, Nordsletten L. Metabolic syndrome as a risk factor for total hip or knee replacement due to primary osteoarthritis: a prospective cohort study (the HUNT study and the Norwegian Arthroplastry Register). Clinical Epidemiology. 2018 Jan 10; 10:83-96.
  Art_HellevikAI- Metabolic syndrome.pdf
  

• Johnsen MB, Hellevik AI, Småstuen MC, Langhammer A, Furnes O, Flugsrud GB, Nordsletten L, Zwart JA, Storheim K. The mediating effect of body mass index on the relationship between smoking and hip or knee replacement due to primary osteoarthritis. A population-based cohort study (the HUNT study). Plos One. 2017 Dec 28;12(12):e0190288.
  Art_Johnsen MB-The mediating effect.pdf
  ​
  

• Badawy M, Espehaug B, Fenstad AM, Indrekvam K, Dale H, Havelin LI, Furnes O. Patient and surgical factors affecting procedure duration and revision risk due to deep infection in primary total knee arthroplasty. BMC Musculoskelet Disord. 2017 Dec 21;18(1):544.
  Art_Badawy M-Patient and surgical factors.pdf
  
  

• Ackerman IN, Bohensky MA, De Steiger R, Brand CA, Eskelinen A, Fenstad AM, Furnes O, Graves SE, Haapakoski J, Mäkelä K, Mehnert F, Nemes S, Overgaard S, Pedersen AB, Garellick G. Lifetime risk of primary total hip replacement surgery for osteoarthritis from 2003 to 2013: A multinational analysis using national registry data. Arthritis Care Res. 2017 Nov;69(11):1659-1667.
  Art_Ackerman- Lifetime risk of.pdf
  
  

• Borgen PO, Pripp AH, Dybvik E, Leistad L, Dahl OE, Reikerås O. Similar clinical outcomes with preoperative and postoperative start of thromboprophylaxis in THA: A register-based study. Clin Orthop Relat Res. 2017 Sep;475(9):2245-2252.
  Art_BorgenP-Similar clinical.pdf
  
  

• Gøthesen Ø, Lygre SHL, Lorimer M, Graves S, Furnes O. Increased risk of aseptic loosening for 43,525 rotating-platform vs.fixed-bearing total knee replacements. Acta Ortop. 2017 Sep 20; 88(6):649-656.
  Art_Gøthesen Ø-Increased risk.pdf
  
  

• Badawy M, Fenstad AM, Bartz-Johannessen CA, Indrekvam K, Havelin LI, Robertsson O, W-Dahl A, Eskelinen A, Mäkelä K, Pedersen AB, Schrøder HM, Furnes O. Hospital volume and the risk of revision in Oxford unicompartmental knee arthroplasty in the Nordic countries- an observational study of 14,496 cases.BMC Musculoskelet Disord. 2017 Sep 7;18(1):388.
  Art_Badawy M-Hospital volume.pdf
  
  

• Hellevik AI, Nordsletten L, Johnsen MB, Fenstad AM, Furnes O, Storheim K, Zwart JA, Flugsrud G, Langhammer A. Age of menarche is associated with knee joint replacement due to primary osteoarthritis (The HUNT study and the Norwegian Arthroplasty Register). Osteoarthritis Cartilage. 2017 Jul 10; 25(10):1654-1662.
  Art_Hellevik-Age of menarce.pdf
  
  

• Lazarinis S, Mäkelä KT, Eskelinen A, Havelin L, Hallan G, Overgaard S, Pedersen AB, Kärrholm J, Hailer NP. Does hydroxyapatite coating of uncemented cups improve long-term survival? An analysis of 28,605 primary total hip arthroplasty procedures from the Nordic arthroplasty register association (NARA). Osteoarthritis Cartilage. 2017 Aug 9; 25(12):1980-1987.
  Art_Lazarinis S-Does hydroxyapatite.pdf
  
  

• Hellevik AI, Johnsen MB, Langhammer A, Fenstad AM, Furnes O, Storheim K, Zwart JA, Flugsrud G, Nordsletten L. Incidence of total hip or knee replacement due to osteoarthritis in relation to thyroid function: a prospective cohort study (The Nord-Trøndelag Health Study). BMC Musculoskelet Disord. 2017 May 18;18(1):201.
  Art_Hellevik A, Incidence of total.pdf
  
  

• Mjaaland KE, Svenningsen S, Fenstad AM, Havelin LI, Furnes O, Nordsletten L. Implant survival after minimally invasive anterior or anteriolateral Vs. conventional posterior or direct lateral approach: An analysis of 21,860 total hip arthroplasties from the Norwegian Arthroplasty Register (2008 to 2013). J Bone Joint Surg Am. 2017 May 17;99(10):840-847.
  Art_Mjaaland-Implant survival.pdf
  
  

• Johanson PE, Furnes O, Havelin LI, Fenstad AM, Pedersen AB, Overgaard S, Garellick G, Mäkelä K, Kärrholm J. Outcome in design-specific comparisons between highly crosslinked and conventional polyethylene in total hip arthroplasty. Acta Orthop. 2017 Apr 4: 88(4):363-369.
  Art_Johanson PE-Outcome in design.pdf
  ​
  

• Brorson S, Salomonsson B, Jensen SL, Fenstad AM, Demir Y, Rasmussen JV. Revision after shoulder replacement for acute fracture of the proximal humerus. Acta Orthop. 2017 Mar 28; 88(4):446-450.
  Art_Brorson S-Revision after shoulder.pdf
  
  

• Dyrhovden GS, Lygre SH, Badawy M, Gøthesen Ø, Furnes O. Have the causes of revision for total and unicompartmental knee arthroplasties changed during the past two decades? Clin Orthop Relat Res. 2017 Jul;475(7):1874-1886.
  Art_Dyrhovden-Have the causes of.pdf
  
  

• Wangen H, Havelin LI, Fenstad AM, Hallan G, Furnes O, Pedersen AB, Overgaard S, Kärrholm J, Garellick G, Mäkelä K, Eskelinen A, Nordsletten L. Reverse hybrid total hip arthroplasty.  Acta Orthop. 2017 Jun;88(3):248-254.
  Art_Wangen - Reverse hybrid.pdf
  
  

• Niemelälnen MJ, Mäkelä KT, Robertsson O, W-Dahl A, Furnes O, Fenstad AM, Pedersen AB, Schrøder HM, Huhtala H, Eskelinen A. Different incidences of knee arthroplasty in the Nordic countries. Acta Orthop. 2017 Apr;88(2):173-178.
  Art_Niemelälnen M-Different incidences.pdf
  

• Johnsen MB, Vie GÅ, Winsvold BS, Bjørngaard JH, Åsvold BO, Gabrielsen ME, Pedersen LM, Hellevik AI, Langhammer A, Furnes O, Flugsrud GB, Skorpen F, Romundstad PR, Storheim K, Nordsletten L, Zwart JA. The causal role of smoking on the risk of hip or knee replacement due to primary osteoarthritis: a Mendelian randomisation analysis of the HUNT study. Osteoarthritis Cartilage. 2017 Jun;25(6):817-823.
  Art_Johnsen MB-The causal rol.pdf
  
  

• Birkeland Ø, Espehaug B, Havelin LI, Furnes O. Bone cement product and failure in total knee arthroplasty. Acta Orthop. 2017 Feb 14;88(1):75-81.
  Birkeland-Bone cement product.pdf
  

• Magnusson K, Scurrah K, Ystrom E, Ørstavik RE, Nilsen T, Steingrimsdòttir ÒA, Ferreira P, Fenstad AM, Furnes O, Hagen KB. Genetic factors contribute more to hip than knee surgery due to osteoarthritis – a population-based twin registry study of joint arthropalsty. Osteoarthritis Cartilage. 2016 Dec 13;25(6):878-884.
  Magnusson-Genetic factors.pdf
  
  

• Ackerman IN, Bohensky MA, de Steiger R, Brand CA, Eskelinen A, Fenstad AM, Furnes O, Garellick G, Graves SE, Haapakoski J, Havelin LI, Mäkelä K, Mehnert F, Becic Pedersen A, Robertsson O. Substantial rise in the lifetime risk of primary total knee replacement surgery for osteoarthritis from 2003 to 2013: an international, population-level analysis. Osteoarthritis Cartilage. 2016 Nov 14;25(4):455-461. 
  Ackerman I_N - Substantial rise.pdf
  ​
  

• Dyrhovden GS, Fenstad AM, Furnes O, Gøthesen Ø. Survivorship and relative risk of revision in computer-navigated versus conventional total knee replacement at 8 –year follow-up. Acta Orthop. 2016 Dec;87(6):592-599.
  Dyrhovden-Survivorship and relative.pdf
  
  

• Junnila M, Laaksonen I, Eskelinen A, Pulkkinen P, Havelin LI, Furnes O, Fenstad AM, Pedersen AB, Overgaard S, Kärrholm J, Garellick G, Malchau H, Mäkelä KT. Implant survival of the most common cemented total hip devices from the Nordic arthroplasty register association database. Acta Orthop. 2016 Dec;87(6):546-553.
  Junnila-Implant survival.pdf
  
  

• Tsukanaka M., Halvorsen V., Nordsletten L., Engesæter I.Ø., Engesæter L.B., Fenstad A.M., RÖHRL S.M. Implant survival and radiographic outcome of total hip replacement in patients less than 20 years old. Acta Orthop. 2016 Dec; 87(5):479-84.
  TsukanakaMHipreplacementyoungpatientActa2016.pdf
  
  

• Rasmussen JV, Brorson S, Hallan G, Dale H, Äärimaa V, Mokka J, Jensen SL, Fenstad AM, Salomonsson B. Is it feasible to merge data from national shoulder registries? A new collaboration within the Nordic arthroplasty register association. J shoulder elbow surg. 2016 Dec;25(12):369-377.
  Rasmussen JV- Is it feasible.pdf
  

• Leta TH, Lygre SH, Skredderstuen A, Hallan G, Gjertsen JE, Rokne B, Furnes O. Outcomes of unicompartmental knee arthroplasty after aseptic revision to total knee arthroplasty: A comparative study of 768 TKAs and 578 UKAs revised to TKAs from the Norwegian arthroplasty register (1994 to 2011). JBJS. 2016 Mar 16;98(6):431-40.
  Leta-Outcomes of Unicompatmental knee.pdf
  
  

• Johnsen MB, Hellevik AI, Baste V, Furnes O, Langhammer A, Flugsrud G, Nordsletten L, Zwart JA, Storheim K. Leisure time physical activity and the risk of hip or knee replacement due to primary osteoarthritis: a population based cohort study (The HUNT study). BMC Musculoskelet Disord. 2016 Feb 16;17(1):86.
  Johnsen MB, Leisure time physical.pdf
  
  

• Busch VJ, Verschueren J, Adang EM, Lie SA, Havelin LI, Schreurs BW. A cementeted cup with acetabular impaction bone grafting is more cost-effective than an uncemented cup in patientes under 50 years. Hip Int. 2016 Jan-Feb;26(1):43-9.
  Busch - A Cemented cup.pdf
  
  

• Petursson G, Fenstad AM, Havelin LI, Gøthesen Ø, Lygre SH, Röhrl SM, Furnes O. Better survival of hybrid knee arthroplasty compared to cemented arthroplasty. A report from the Norwegian Arthroplasty Register 1999-2012. Acta Orthop. 2015 Nov;86(6):714-20.
  Art_Petursson-Better survival of hybrid total knee 2015.pdf
  
  

• Blågestad T, Nordhus IH, Grønli J, Engesæter LB, Ruths S, Ranhoff AH, Bjorvatn B, Pallesen S. Prescription trajectories and effect of total hip arthroplasty on the use of analgesics, hypnotics, antidepressants and anxiolytics: Results from a population of total hip arthroplasty patients. Pain. 2016 Mar;157(3):643-51.
  Art_Blågestad-Prescription trajectories.pdf
  
  

• Leta TH, Lygre SH, Skredderstuen A, Hallan G, Gjertsen JE, Rokne B, Furnes O. Secondary patella resurfacing in painful non-resurfaced total knee arthroplasties: A study of survival and clinical outcome from the Norwegian Arthroplasty Register (1994-2011). Int Orthop (SICOT). 2016 Apr;40(4):715-22.
  Tesfaye H - Secondary patella resurfacing.pdf
  
  

• Glassou EN, Hansen TB, Mäkelä K, Havelin LI, Furnes O, Badawy M, Kärrholm J, Garrelic G, Eskelinen A, Pedersen AB. Association between hospital procedure volume and risk of revision after total hip arthroplasty: a population-based study within the Nordic Arthroplasty Register Association database. Osteoarthritis Cartilage. 2016 Mar;24(3):419-26.
  Glassou E.N- Association between hospital.pdf
  
  

• Langvatn H, Lutro O, Dale H, Schrama JC, Hallan G, Espehaug B, Sjursen H, Engesæter LB. Bacterial and hematological findings in infected total hip arthroplasties in Norway assessment of 278 revisions due to infection in the Norwegian arthroplasty register. 2015 sep 30;9:445-449.
  Langvatn H- Bacterial and Hematological findings.pdf
  
  

• Nystad TW, Fenstad AM, Furnes O, Havelin LI, Skredderstuen AK, Fevang BT. Reduction in orthopaedic surgery in patients with rheumatoid arthritis: a Norwegian register-based study. Scand J Rheumatol. 2016,45(1):1-7.
  NystadTWReductioninOrthopaedicsurgeryScandJRheum2015.pdf
  
  

• Cafri G, Banerjee S, Sedrakyan A, Paxton L, Furnes O, Graves S, Marinac-Dabic D. Meta-analysis of survival curve data using distributed health data networks: application to hip arthroplasty studies of the International Consortium of Orthopaedic Registries. Acta Orthop. Res Synth Methods. 2015 June 29;6(4):347-56. Artikkel utilgjengelig. 
  
  

• Badawy M, Fenstad AM, Indrekvam K, Havelin LI, Furnes O. The risk of revision in total knee arthroplasty is not affected by previous high tibial osteotomy. A 15- year follow-up of 32,476 total knee arthroplasties in the Norwegian Arthroplasty Register. Acta Orthop. 2015 Nov;86(6):734-9.
  Badawy M - The risk of revision in total knee 2015.pdf
  
  

• Schrama JC, Fenstad AM, Dale H, Havelin LI, Hallan G, Overgaard S, Pedersen AB, Kärrholm G, Garellick G, Pulkkinen P, Eskelinen A, Mäkelä K, Engesæter LB, Fevang BT. Increased risk of revision for infection in rheumatoid arthritis patients with total hip replacement. A study of 390,671 primary arthroplasties from the Nordic-Arthroplasty Register Association. Acta Ortop. 2015 Aug;86(4):469-76.
  Schrama - Increased risk of revision 2015.pdf
  
  

• Varnum C, Pedersen AB, Mäkelä K, Eskelinen A, Havelin LI, Furnes O, Kärrholm G, Garellick G, Overgaard S. Increased risk of revision of cementless stemmed total hip arthroplasty with metal-on-metal bearings. Data from the Nordic Arthroplasty Register Association. Acta Orthop. 2015 Aug;86(4):491-97.
  Varnum C- increased risk of revision2015.pdf
  
  

• Leta TH, Lygre SHL, Skredderstuen A, Hallan G, Furnes O. Failure of aseptic revision total knee arthroplasties. 145 revision failures from the Norwegian Arthroplasty Register, 1994-2011. Acta Orthop. 2015 Feb;86(1):48-57.
  Leta TH- Failure of aseptic revision 2014.pdf
  
  

• Lie SA, Havelin LI, Fenstad AM, Espehaug B, Dybvik E, Baste V, Engesæter LB, Skredderstuen A, Dale H, Fevang JM, Fevang BT, Hallan G, Gjertsen JE, Furnes O. Re: a statistical analysis of ankle prosthesis from the Norwegian Arthroplasty Register. Arch Orthop Trauma Surg. 2015 Jan;135(1):17-8.
  LieSA - Re- a statistical analysis of ankle prosthesis 2014.pdf
  
  

• Fevang BT, Nystad TW, Skredderstuen A, Furnes O, Havelin LI. Improved survival for anatomic total shoulder prostheses. Results of 4,173 shoulder arthroplasties reported to the Norwegian Arthroplasty Register from 1994 through 2012. Acta Ortop. 2015 Feb;86(1):63-70.
  Fevang BTS - Improved survival for anatomic total shoulder prostheses 2015.pdf
  
  

• Hailer NP, Lazarinis S, Mäkelä KT, Eskelinen A, Fenstad AM, Hallan G, Havelin L, Overgaard S, Pedersen AB, Mehnert F, Kärrholm J. Hydroxyapatite coating does not improve uncemented stem survival after total hip arthroplasty! An analysis of 116,069 THAs in the Nordic Arthroplasty Register Association (NARA) database. Acta Orthop. 2015 Feb;86(1):18-25.
  Hailer NP - hydroxyapatite coating 2014.pdf
  
  

• Lutro O, Langvatn H, Dale H, Schrama JC, Hallan G, Espehaug B, Sjursen H, Engesæter LB. Increasing resistance of coagulase-negative staphylococci in total hip arthroplasty infections: 278 THA-revisions due to infection reported to the Norwegian Arthroplasty Register from 1993 to 2007. Adv Orthop. 2014 Oct 9;2014:580359.
  Lutro O-Increasing resistance 2014.pdf
  
  

• Paxton E, Cafri G, Havelin L, Stea S, Palliso F, Graves S, Hoeffel D, Sedrakyan A. Risk of revision following total hip arthroplasty: Metal-on-conventional polyethylene compared with metal-on-highly cross-linked polyethylene bearing surfaces. J Bone Joint Surg Am. 2014 Dec 17;96 Suppl 1:19-24.
  Paxton - risk of revision 2014.pdf
  
  

• Allepuz A, Havelin LI, Barber T, Sedrakyan A, Graves S, Bordini B, Hoeffel D, Cafri G, Paxton, E . Effect of femoral head size on metal-on-HXLPE hip arthroplasty outcome in a combined analysis of six national and regional registries. J Bone Joint Surg Am. 2014;96 Suppl 1(E)12-18.
  Alepuz - Effect of femoral head size2014.pdf
  
  

• Sedrakyan A, Graves S, Bordini B, Pons M, Havelin LI, Mehle S, Paxton E, Barber T, Cafri G. Comparative effectiveness of ceramic-on-ceramic implants in stemmed hip replacement. J Bone Joint Surg Am. 2014;96 Suppl 1(E)34-41.
  Sedrakyan - Comparative effectiveness of2014.pdf
  
  

• Furnes O, Paxton E, Cafri G, Graves S, Bordini B, Comfort T, Rivas MC, Banerjee S, Sedrakyan. Distributed analysis of hip implants using six national and regional registries: comparing metal-on-metal with metal-on-highly crossed-linked polyethylene bearings in cementless total hip arthroplasty in young patients. J Bone Joint Surg Am. 2014;96 Suppl 1(E)25-33.
  Furnes - Distributed analysis of hip2014.pdf
  
  

• Stea S, Comfort T, Sedrakyan A, Havelin LI, Marinelli M, Barber T, Paxton E, Isaacs AJ, Graves S. Multinational comprehensive evaluation of the fixation method used in hip replacement: interaction with age in context. J Bone Joint Surg Am. 2014;96 Suppl 1(E)42-51.
  Stea - Multinational comprehensive evaluation2014.pdf
  
  

• Namba R, Graves S, Robertsson O, Furnes O, Stea S, Puig-Verdié L, Hoeffel D, Cafri F, Paxton E, Sedrakyan A. International comparative evaluation of knee replacement with fixed or mobile non-posterior-stabilized implants. J Bone Joint Surg Am. 2014;96 Suppl 1(E)52-8.
  Namba - International comparative evaluation2014.pdf
  
  

• Graves S, Sedrakyan A, Baste V, Gioe TJ, Namba R, Cruz OM, Paxton E, Banerjee S, Isaacs AJ, Robertsson O. International comparative evaluation of knee replacement with fixed or mobile-bearing posterior-stabilized prostheses. J Bone Joint Surg Am. 2014;96 Suppl 1(E)59-64.
  Graves - International comparative Evaluation2014.pdf
  
  

• Comfort T, Baste V, Froufe MA, Namba R, Bordini B, Robertsson O, Cafri G, Paxton E, Sedrakyan A, Graves S. International comparative evaluation of fixed-bearing non- posterior- stabilized and posterior-stabilized total knee replacements. J Bone Joint Surg Am. 2014;96 Suppl 1(E):65-72.
  Comfort -International Comparative Evaluation 2014.pdf
  
  

• Thien TM, Chatziagorou G, Garellick G, Furnes O, Havelin LI, Mäkelä K, Overgaard S, Pedersen A, Eskelinen A, Pulkkinen P, Kärrholm J. Periprosthetic femoral fracture within two years after total hip replacement. Analysis of 437,629 operations in the Nordic Arthroplasty Register Assosiation Database. J Bone Joint Surg Am. 2014;96:e167(1-7).
  ThienT Periprosthetic femoral fractures 2014.pdf
  
  

• Dybvik E, Furnes O, Fosså SD, Trovik C, Lie SA. Pelvic irradiation does not increase the risk of hip replacement in patients with gynecological cancer. A cohort study based on 8,507 patients. Acta Orthop. 2014 Dec;85(6):652-6.
  DybvikE- Pelvic irradiation 2014.pdf
  
  

• Amlie E, Havelin LI, Furnes O, Baste V, Nordsletten L, Høvik Ø, Dimmen S. Worse patient-reported outcome after lateral approach than after anterior and posterolateral approach in primary hip arthroplasty. A cross-sectional questionnaire study of 1,476 patients 1-3 years after surgery. Acta Orthop. 2014 Sep;85(5):463-9.
  AmlieE Worse patient-reported outc..14.pdf
  
  

• Borgquist L, Dahl AW, Dale H, Lidgren L, Stefánsdóttir A. Prosthetic joint infections a need for health economy studies. Guest editorial. Acta Orthop. 2014;85(3)218-220.
  Borgquist L - Prosthetic joint infections.. 2014.pdf
  
  

• Apold H, Meyer HE, Nordsletten L, Furnes O, Baste V, Flugsrud GB. Risk factors for knee replacement due to primary osteoarthritis, a population based prospective cohort study of 315,495 individuals. BMC Musculoskeletal Disord. 2014;15:217.
  Apold H Riskfactors for knee replacement 2014.pdf
  
  

• Badawy M, Espehaug B, Indrekvam K, Havelin LI, Furnes O. Higher revision risk for unicompartmental knee arthroplasty in low-volume hospitals. Data from 5,791 cases in the Norwegian Arthroplasty Register. Acta Orthop. 2014 May 21;85(4):342-7.
  Badawy - Higher revision risk for unicompartmental 2014.pdf
  
  

• Pedersen AB, Mehnert F, Havelin LI, Furnes O, Herberts P, Kärrholm J, Garellick G, Mäkela, Eskelinen A, Overgaard S. Association between fixation technique and revision risk in total hip arthroplasty patients younger than 55 years of age. Results from the Nordic Arthroplasty Register Association. Osteoarthitis Cartilage. 2014 May;22/(5):659-67.
  Pedersen A - Association between fixation 2014.pdf
  
  

• Krukhaug Y, Lie SA, Havelin LI, Furnes O, Hove LM, Hallan G. The result of 479 thumb carpometacarpal joint replacements reported in the Norwegian Arthroplasty Register. The Journal of Hand Surgery 2014 Oct;39(8):819-25.
  Krukhaug Y - the result of 479 thumb 2014.pdf
  
  

• Apold H, Meyer HE, Nordsletten L, Furnes O, Baste V, Flugsrud GB. Weight gain and the risk of knee replacement due to primary osteoarthritis. –a population based, prospective cohort study of 225,908 individuals. Osteoarthritis Cartilage;2014 May;22(5):652-8.
  Apold - weight gain and the risk 2014.pdf
  

• Mäkelä K, Matilainen M, Pulkinnen P, Fenstad AM, Havelin LI, Engesæter LB, Furnes O, Overgaard S, Pedersen AB, Kärrholm J, Malchau H, Garellick G, Ranstam J, Eskelinen A. Countrywise results of total hip replacement. An analysis of 438,733 hips based on the Nordic Arthroplasty register Association database. Acta Orthop 2014;85(2):107-116.
  Makela K - Countrywise results of total hip.pdf
  
  

• Mäkelä KT, Matilainen M, Pulkkinen P, Fenstad AM, Havelin L, Engesæter LB, Furnes O, Pedersen AB, Overgaard S, Kärrholm J, Malchau H, Garellick G, Ranstam J, Eskelinen A. Failure rate of cemented and uncemented total hip replacements: register study of combined Nordic database of four nations. BMJ 2014;348:f7592.
  Mäkelä K - Failure rate of cemented and uncemented 2014.pdf
  
  

• Bergh C, Fenstad AM, Furnes O, Garellick G, Havelin LI, Overgaard S, Pedersen AB, Mäkelä K, Pulkkinen P, Mohaddes M, Kärrholm J. Increased risk of revision in patients with non-traumatic femoral head necrosis. Acta Orthop. 2014 Feb;85(1):11-7.
  Bergh C- increased risk of revision 2013.pdf
  
  

• Nystad TW, Furnes O, Havelin LI, Skreddertsuen AK, Lie SA, Fevang BT. Hip replacement surgery in patients with ankylosing spondylitis. Ann Rheum Dis. 2014 Jun;73(6):1194-7.
  Nystad T Hip replacement surgery 2013.pdf
  
  

• Sudmann E, Ramstad KR, Engesæter LB. Christiansen`s artificial hip joints—what went wrong? Tidsskr Nor Lægeforen. 2013 Dec 10;133(23-24):2513-8.
  Art_Sudmann E -Christiansen.pdf
  
  

• Badawy M, Espehaug B, Indrekvam K, Engesæter LB, Havelin LI, Furnes O. Influence of hospital volum on revision rate after total knee arthroplasty with cement. J Bone Joint Surg Am 2013;95:e131:1-6.
  Badawy - Influence of hospital volume.pdf
  
  

• Gøthesen Ø, Slover J, Havelin LI, Askildsen JE, Malchau H, Furnes O. An economic model to evaluate the cost-effectiveness of computer assisted knee replacement surgery in Norway. BMC Musculoskeletal Disord. 2013;14:202.
  Gøthesen, An economic model to evaluate 2013.pdf
  
  

• Gøthesen Ø. Espehaug B, Havelin LI, Petursson G, Lygre SH, Ellison P, Hallan G, Furnes O. Survival rates and causes of revision in cemented primary total knee replacement. A report from the Norwegian Arthroplasty Register 1994-2009. Bone Joint J 2013;95-B:636-42.
  Bone Joint J_Gøthesen - survival rates and causes 2013.pdf
  
  

• Monstad K, Engesæter LB, Espehaug B. Waiting time and socioeconomic status – an individual-level analysis. Health Econ 2013:1-16.
  ​Health Econ_Monstad - waiting time and socioeconomic status 2013.pdf
  
  

• Gillam MH, Lie SA, Salter A, Furnes O, Graves SE, Havelin LI, Ryan P. The progression of end-stage osteoarthritis: analysis of data from the Australian and Norwegian joint replacements registries using a multi-state model. Osteoarthritis Cartilage. 2013 Mar;21(3):405-12.
  Osteoarthritis Cartilage_Gilliam, MH - The progression of 2013.pdf
  
  

• Fevang BT, Lygre SH, Bertelsen G, Skreddertstuen A, Havelin LI, Furnes O. Pain and function in eight hundred and fifty nine patients comparing shoulder hemiprostheses, resurfacing prostheses, reversed total and conventional total prostheses. Int Orthop 2013 Jan;37(1):59-66.
  Int_Ortho_Fevang - Pain and function in.. 2012.pdf
  
  

• Schrama JC, Lutro O, Langvatn H, Hallan G, Espehaug B, Sjursen H, Engesæter LB, Fevang BT. Bacterial findings in infected hip joint replacements in patients with rheumatoid arthritis and osteoarthritis: A study of 318 revisions for infection reported to the Norwegian Arthroplasty Register International Scholarly Research Network Vol. 2012; Oct 17;2012:437675.
  Art_IntScholar_Schrama2012-Bacterial_findings.pdf
  
  

• Dale H, Fenstad AM, Hallan G, Havelin LI, Furnes O, Overgaard S, Pedersen AB, Kärrholm J, Garellick G, Pulkkinen P, Eskelinen A, Mäkelä K, Engesæter LB. Increasing risk of prosthetic joint infection after total hip arthroplasty. 2,778 revisions due to infection after 432,168 primary THAs in the Nordic Arthroplasty Register Association (NARA). Acta Orthop 2012;83(5):449-458.
  Art_Acta_Dale2012-Increasing_risk_of_prosthetic_joint_infection.pdf
  
  

• Engesæter LB, Engesæter IØ, Fenstad AM, Havelin LI, Kärrholm J, Garellick G, Pedersen AB, Overgaard S. Low revision rate after total hip arthroplasty in patients with pediatric hip diseases. Evaluation of 14,403 THAs due to DDH, SCFE or Perthes` disease and 288,435 THAs due to primary osteoarthritis in the Danish, Norwegian and Swedish Hip Arthroplasty Registers (NARA). Acta Orthop 2012;83(5):436-41.
  Art_Acta_EngesæterL2012-Low_revision_rate.pdf
  
  

• Fevang BT, Lygre SH, Bertelsen G, Skredderstuen A, Havelin LI, Furnes O. Good function after shoulder arthroplasty. 1,107 patients with 4 different diagnoses from the Norwegian Arthroplasty Register. Acta Orthop 2012;83(5):1-7.
  Art_Acta_FevangBT2012-Good_function_after.pdf
  
  

• Kadar T, Dybvik E, Hallan G, Furnes O, Havelin LI. Head material influences of a cemented total hip prosthesis in the Norwegian Arhthroplasty Register. Clin Orthop Relat Res. 2012 Nov;470(11):3007-13.
  Art_Clin_Orthop-Kadar2012-Head_material_influences.pdf
  
  

• Rasmussen JV, Olsen BS, Fevang BT, Furnes O, Skytta ET, Rahme H, Salomonsen B, Mohammed KD, Page RS, Carr AJ. A review of national shoulder and elbow joint replacement registries. J Shoulder Elbow Surg 2012 Oct;21(10):1328-35.
  Art_JShou.lderElbow_Rasmussen2012-A_review_of_national_shloulder_and_elbow.pdf
  
  

• Ellison P, Hallan G, Høl PJ, Gjerdet NR, Havelin LI. Coordinating retrieval and register studies improves postmarket surveillance. Clin Orthop Relat Res. 2012 Nov;470(11):2995-3002.
  Art_Clin_Orthop_Ellison2012-Coordinating_Retrival.pdf
  
  

• Hallan G. Espehaug B, Furnes O, Wangen H, Høl PJ, Ellison P, Havelin LI. Is there still a place for the cemented titanium femoral stem? 10,108 cases from the Norwegian Arthroplasty Register. Acta Orthop 2012;83(1):1-6.
  Art_Acta_2012_HallanTitan.pdf
  
  

• Havelin LI, Robertsson O, Fenstad AM, Overgaard S, Garellick G, Furnes O. A Scandinavian Experience of Register Collaboration: The Nordic Arthroplasty Register Association (NARA). J Bone Joint Surg Am. 2011;93 Suppl 3(E):13-9.
  Art_JBJS(am)_HavelinLI_NARA2011.pdf
  
  

• Paxton EW, Furnes O, Namba RS, Inacio MCS, Fenstad AM, Havelin LI. Comparison of the Norwegian Knee Arthroplasty Register and a United States Arthroplasty Registry. J Bone Joint Surg Am. 2011;93 Suppl 3(E):20-30.
   Art_JBJS(am)_PaxtonEW_KneeNorwayKaiser2011.pdf
  
  

• Dale H, Skråmm I, Løwer HL, Eriksen HM, Espehaug B, Furnes O, Skjeldestad FE, Havelin LI, Engesæter LB. Infection after primary hip arthroplasty. A comparison of 3 Norwegian health registers. Acta Orthop 2011 Dec;82(6):646-54.
  Art_Acta_HDale_Infection_after_primary_hip_arthroplasty_2011.pdf
  
  

• Engesæter LB, Dale H, Schrama JC, Hallan G, Lie SA. Surgical procedures in the treatment of 784 infected THAs reported to the Norwegian Arthroplasty Register. Best survival with 2-stage exchange revision, but also good results with debridement and retention of the fixed implant. Acta Orthop 2011;82(5):530-37.
  Art_Acta_LEngesæter_Surgical_procedures_in_the_treatment_of_784_infected_THAs.pdf
  

• Lindalen E, Havelin LI, Nordsletten L, Dybvik E, Fenstad AM, Hallan G, Furnes O, Høvik Ø, Röhrl SM. Is reverse hybrid hip replacement the solution? 3,963 primary hip replacements with cemented cup and uncemented stem, from the Norwegian Arthroplasty Register. Acta Orthop 2011 Dec;82(6):639–645.
  Art_Acta_ELindalen_Is_reversed_hybrid_hip2011.pdf
  
  

• Espehaug B, Furnes O, Engesæter LB, Havelin LI. Hofteproteser i Norge 1989-2008. Tidsskr Nor Legeforen 2011;131:1543-6.
  Art_Tidsskr_Espehaug2011_Hofteproteser_i_Norge_1989-2008.pdf
  
  

• Krukhaug Y, Lie SA, Havelin LI, Furnes O, Hove LM. Results of 189 wrist replacements. A report from the Norwegian Arthroplasty Register. Acta Orthop 2011 June 10;82(4):405-9.
  Art_Acta_Krukhaug_Håndleddsproteser2011.pdf
  
  

• Lygre SH, Espehaug B, Havelin LI, Vollset SE, Furnes O. Failure of total knee arthroplasty with or without patella resurfacing. A study from the Norwegian Arthroplasy Register with 0-15 years of follow-up. Acta Orthop 2011 May;82(2):282-92.
   Art_Acta_SHLygre_knepatella2011.pdf
  
  

• Ranstam J, Kärrholm J, Pulkkinen P, Mäkelä K, Espehaug, B, Pedersen AB, Mehnert F, Furnes O. Statistical analysis of arthroplasty data. II. Guidelines. Acta Orthop 2011 May;82(3):258-67.
  Art_Acta_Ranstam_Statistics2_2011.pdf
  

• Ranstam J, Kärrholm J, Pulkkinen P, Mäkelä K, Espehaug, B, Pedersen AB, Mehnert F, Furnes O. Statistical analysis of artrhoplasty data. I. Introduction and background. Acta Orthop 2011 May;82(3):253-57.
  Art_Acta_Ranstam_Statistics1_2011.pdf
  
  

• Engesæter LB, Dale H, Schrama JC, Hallan G, Lie SA. Surgical procedures in the treatment of 784 infected THAs reported to the Norwegian Arthroplasty Register. Best survival with 2-stage exchange revision, but also good results with debridement and retention of the fixed implant. Acta Orthop 2011;82(5):530-37.
  Engesæter L- Surgical procedures in the treatment of 784 infected THAs.pdf
  
  

• Apold H, Meyer HE, Espehaug B, Nordsletten B, Havelin LI, Flugsrud GB. Weight gain and the risk of total hip replacement. A population-based prospective cohort study of 265,725 individuals. Osteoarthritis Cartilage 2011 Jul;19(7):809-15.
   ApoldVektendringOsteoarthritis2011.pdf
  
  

• Gøthesen Ø, Espehaug B, Havelin LI, Petursson G, Furnes O. Short-term outcome of 1,465 computer-navigated primary total knee replacements 2005-2008. Acta Orthop 2011 May;82(3):293-300.
   ​Art_Acta_ØGøthesen_Computernavigation2011.pdf
  
  

• Engesæter IØ, Lehmann T, Laborie LB, Lie SA, Rosendahl K, Engesæter LB. Total hip replacement in young adults with hip dysplasia. Age at diagnosis, previous treatment, quality of life, and validation of diagnoses reported to the Norwegian Arthroplasty Register between 1987 and 2007. Acta Orthop 2011 Apr;82(2):149-54.
  Art_Acta_IØEngesæter_Diagnosisvalidation2011.pdf
  
  

• Lygre SH, Espehaug B, Havelin LI, Furnes O, Vollset SE. Pain and Function in Patients After Primary Unicompartmental and Total Knee Arthroplasty. J Bone Joint Surg Am. 2010;92:2890-2897. Utilgjengelig for nedlastning.
  
  

• Jämsen E, Furnes O, Engesæter LB, Konttinen YT, Odgaard A, Stefánsdóttir A, Lidgren L. Prevention of deep infection in joint replacement surgery. Acta Orthopaedica 2010; 81 (6): 660–666.
  Art_Acta_Jamsen2010.pdf
  
  

• Fevang BT, Lie SA, Havelin LI, Engesæter LB, Furnes O. Improved results of primary total hip replacement. Results from the Norwegian Arthroplasty Register, 1987–2007. Acta Orthop 2010;81 (6): 649-659.
  Art_Acta_Fevang2010.pdf
  
  

• Per-Erik Johanson PE, Fenstad AM, Furnes O, Garellick G, Havelin LI, Overgaard S, Pedersen AB, Kärrholm J. Inferior outcome after hip resurfacing arthroplasty than after conventional arthroplasty. Acta Orthop 2010; 81 (5): 535–541.
   Art_Acta_Johanson_PE_Resurfacing_2010.pdf
  
  

• Schrama JC, Espehaug B, Hallan G, Engesæter LB, Furnes O, Havelin LI, Fevang BT. Risk of revision for infection in primary total hip and knee Arthroplasty in patiens with rheumatoid arthritis: A prospective, population-based study on 108,786 hip and knee joint arthroplasties from the Norwegian Arthroplasty Register. Arthritis Care; Research 2010 April;62(4);473-79.
  SchramaJ2010Kneeand hipinfectionRA.pdf
  
  

• Robertsson O, Bizjajeva S. Fenstad AM, Furnes O, Lidgren L, Mehnert F, Odgaard A, Pedersen AB, Havelin LI. Knee arthroplasty in Denmark, Norway and Sweden. Acta Orthop 2010;81(1):82-89.
  Art_Acta_Robertsson2010.pdf
  
  

• Lygre SH, Espehaug B, Havelin LI, Vollset SE, Furnes O. Does patella resurfacing really matter? Pain and function in 972 patients after primary total knee arthoplasty. An observational study from the Norwegian Arthroplasty Register. Acta Orthop 2010;81.
  Art_Acta_Lygre2010.pdf
  
  

• Hallan G, Dybvik E, Furnes O, Havelin LI. Metal-backed acetabular components with conventional polyethylene: A review of 9113 primary components with a follow-up of 20 years. J Bone Joint Surg Br. 2010 Feb;92(2):196-201.
  Art_JBJS(Br)_Hallan2010.pdf
  
  

• Lie SA, Pratt N, Ryan P, Engesæter LB, Havelin LI, Furnes O, Graves S. Duration of the increase in early postoperative mortality after elective hip and knee replacement. J Bone Joint Surg Am 2010;92 (1):58-63.
  Art_JBJS(Am)_Lie2010.pdf
  
  

• Dale H, Hallan G, Espehaug B, Havelin LI, Engesæter LB. Increasing risk of revision due to deep infection after hip Arthroplasty. Acta Orthop 2009;80:6,639-45.
  Art_Acta_Dale2009.pdf
  
  

• Dybvik E, Furnes O, Fosså SD, Trovik C, Lie SA. Long-term risk of receiving a total hip replacement in cancer patients. Cancer Epidemiology 33 (2009) 235-241.
  Dybvik_Long-term_risk_of_receiving_a_total_hip_2009.pdf
  
  

• Havelin LI, Fenstad AM, Salomonsson R, Mehnert F, Furnes O, Overgaard S, Pedersen AB, Herberts P, Kärrholm J, Garellick G. The Nordic Arthroplasty Register Association. A unique collaboration between 3 national hip arthroplasty registries with 280,201 THRs. Acta Orthop 2009;80:4,393-401.
  Art_Acta_The Nordic Arthroplasty_Havelin2009.pdf
  
  

• Espehaug B, Furnes O, Engesæter LB, Havelin LI. 18 years of results with cemented primary hip prostheses in the Norwegian Arthroplasty Register. Acta Orthop 2009;80:4,402-12.
  Art_Acta_18_years_of_results_Espehaug2009.pdf
  
  

• Cummins JS, Tomek IM, KantorSR, Furnes O, Engesaeter LB, Finlayson SR. Cost-effectiveness of antibiotic-impregnated bone cement used in primary total hip arthroplasty. J Bone Joint Surg Am. 2009 Mar 1;91(3):634-41.
  Cummins - AntibiotikaisementCost-nytte2009.pdf
  
  

• Fevang BT, Lie SA, Havelin LI, Skredderstuen A, Furnes O. Results after 562 total elbow replacements: A report from the Norwegian Arthroplasty Register. J Shoulder Elbow Surg. 2009 May-June;18(3):449-56.
  BT Fevang Results after 562 total elbow 2009.pdf
  
  

• Fevang BT, Lie SA, Havelin LI, Skredderstuen A, Furnes O. Risk factors for revision after shoulder arthroplasty. 1825 shoulder arthroplasties from the Norwegian Arthroplasty Register. Acta Orthop. 2009;80:1,83-91.
  Risk factors for revision after shoulder arthroplasty.pdf
  
  

• Hulleberg G, Aamodt A, Espehaug B, Benum P. A clinical and radiographic 13-year follow-up study of 138 Charnley hip arthroplasties in patients 50-70 years old. Comparison of university hospital data and registry data. Acta Orthop. 2008;79:1-9.
  Hulleberg - A clinical and radiographic 13-year follow-up study 2008.pdf
  
  

• Engesæter IØ, Lie SA, Lehmann TG, Furnes O, Vollset SE, Engesæter LB. Neonatal hip instability and risk of total hip replacement in younger adulthood. Follow-up of 2,218,596 newborns from the Medical Birth Registry of Norway in the Norwegian Arthroplasty Register. Acta Orthop 2008;79:321-26.
  Neonatal hip instability and risk of total hip replacement in young adulthood.pdf
  
  

• Reigstad O, Siewers P, Røkkum M, Espehaug B. Excellent long-term survival of an uncemented press-fit stem and screw cup in young patients. Follow-up of 75 hips for 15-18 years. Acta Orthop 2008;79:194-202.
  Art_Acta_Reigstad2008.pdf
  
  

• Engesæter LB, Furnes O, Havelin LI. Developmental dysplasia of the hip – good results of later total hip arthroplasty. 7135 primary total hip arthroplasties after developmental dysplasia of the hip compared with 59774 total hip arthroplasties in idiopathic coxarthrosis followed for 0 to 15 years in the Norwegian Arthroplasty Register. J Arthroplasty 2008;23:235-40.
   Art_JArthroplasty_Engesæter2008.pdf
  
  

• Hallan G, Lie SA, Furnes O, Engesaeter LB, Vollset SE, Havelin LI. Medium- and long-term performance of 11 516 uncemented primary femoral stems from the Norwegian arthroplasty register. J Bone Joint Surg 2007;89-B:1574-80.​​ Utilgjengelig for nedlastning.
  
  

• Arthursson A, Furnes O, Espehaug B, Havelin LI, Søreide JA. Prosthesis survival after total hip arthroplasty. Does surgical approach matter? Analysis of 19,304 Charnley and 6,002 Exeter primary total hip arthroplasties reported to the Norwegian Arthroplasty Register. Acta Orthop 2007;78:719-29.
  Art_Acta_Arthursson2007.pdf
  ​
  

• Figved W, Dybvik E, Frihagen F, Furnes O, Madsen JE, Havelin LI, Nordsletten L. Conversion from failed hemiarthroplasties to total hip arthroplasty: a Norwegian Arthroplasty Register analysis of 595 hips with previous femoral neck fractures. Acta Orthop 2007;78;711-8.
  Art_Acta_Figved2007.pdf
  
  

• Fevang BTS, Lie SA, Havelin LI, Brun JG, Skredderstuen A, Furnes O. 257 ankle arthroplasties performed in Norway between 1994 and 2005. Acta Orthop 2007;78:575-83.
  Art_Acta_Fevang2007.pdf
  
  

• Kurtz SM, Ong KL, Schmier J, Mowat F, Saleh K, Dybvik E, Kärrholm J, Garellick G, Havelin LI, Furnes O, Malchau H, Lau E. Future clinical and economic impact of revision total hip and knee arthroplasty. J Bone Joint Surg 2007;89-B(Suppl 3):144-51.​ Utilgjengelig for nedlastning.
  
  

• Lie SA, Hallan G, Engesæter LB, Havelin LI, Furnes O. Isolated acetabular liner exchange compared with complete acetabular component revision in revision of primary uncemented acetabular components. A study of 1649 revisions from the Norwegian Arthroplasty register. J Bone Joint Surg 2007;89-B:591-4.
  Isolated acetabular liner exchange.pdf
  
  

• Flugsrud GB, Nordsletten L, Espehaug B, Havelin LI, Meyer HE. The effect of middle-age body weight and physical activity on the risk for early revision hip arthroplasty. A cohort study in 1535 persons. Acta Orthop 2007 Feb;78(1):99-107.
  ​Art_Acta_Flugsrud2007.pdf
  
  

• Fevang BT, Lie SA, Havelin LI, Engesæter LB, Furnes O. Reduction in orthopedic surgery among patients with chronic inflammatory joint disease in Norway, 1994-2004. Arthritis Rheum 2007;57:529-32.
   Art_ArthritisRheumatism_Fevang2007.pdf
  
  

• Furnes O, Espehaug B, Lie SA, Vollset SE, Engesæter LB, Havelin LI. Failure mechanisms after unicompartmental and tricompartmental primary knee replacement with cement. J Bone Joint Surg; 2007;89-A:519-25. 
  Utilgjengelig for nedlastning.
  
  

• Slover J, Espehaug B, Havelin LI, Engesæter LB, Furnes O, Tomek I, Tosteson A. Cost-effectiveness of unicompartmental and total knee arthroplasty in elderly low-demand patients. J Bone Joint Surg Am 2006;88:2348-55. 
  Utilgjengelig for nedlastning.
  
  

• Lohmander LS, Engesæter LB, Herberts P, Ingvarsson T, Lucht U, Puolakka TJS. Standardized incidence rates of total hip replacement for primary hip osteoarthritis in the 5 Nordic countries: similarities and differences. Acta Ortop 2006; 77:733-40.
  Art_Acta_Lohmander2006.pdf
  
  

• Engesæter LB, Espehaug B, Lie SA, Furnes O, Havelin LI. Does cement increase the risk for infection in primary total hip arthroplasty. Revision rates in 56275 cemented and uncemented primary THAs followed for 0-16 years in the Norwegian Arthroplasty register. Acta Orthop 2006;77:351-8.
  Art_Acta_Engesæter2006.pdf
  
  

• Lie SA. Early mortality after elective hip surgery. Guest editorial. Acta Orthop 2006;77:345-6.
  Editorial_Acta_Lie2006.pdf
  
  

• Flugsrud GB, Nordsletten L, Espehaug B, Havelin LI, Engeland A, Meyer HE. The impact of body mass index on later osteoarthritis of the hip varies with age at screening. A cohort study in 1.2 million persons. Arthritis Rheum 2006;4:802-7.
  Art_ArthritisRheumatism_Flugsrud2006.pdf
  
  

• Espehaug B, Furnes O, Havelin LI, Engesæter LB, Vollset SE, Kindseth O. Registration completeness to the Norwegian Arthroplasty Register. Acta Orthop 2006;77:49-56.
  Art_Acta_Espehaug2006.pdf
  
  

• Arthursson AJ, Furnes O, Espehaug B, Havelin LI, Søreide JA. Validation of data in the Norwegian Arthroplasty Register and the Norwegian Patient Register. 5134 primary total hip arthroplasties and revisions operated at a single hospital between 1987 and 2003. Acta Orthop 2005;76:823-8.
  Art_Acta_Arthursson2005.pdf
  
  

• Aamodt A, Nordsletten L, Havelin LI, Indrekvam K, Utvåg SE, Hviding K. Documentation of hip prostheses used in Norway. A critical review of the literature from 1996-2000. Acta Orthop Scand 2004;75:663-76.
  Art_Acta_Aamodt2004.pdf
  
  

• Furnes O. Hip prostheses and cements. Tidsskr Nor Lægeforen 2004;124:2455.
  Utilgjengelig for nedlastning.
  
  

• Småbrekke A, Espehaug B, Havelin LI, Furnes O. Operating time and survival of primary total hip replacements. A review of 31,745 primary cemented and uncemented total hip replacements from local hospitals reported to the Norwegian Arthroplasty Register 1987-2001. Acta Orthop Scand 2004;75:524-32.
  Art_Acta_Småbrekke2004.pdf
  
  

• Lie SA, Havelin LI, Engesæter LB, Gjessing HK, Vollset SE. Dependency issues in survival analyses of 55782 primary hip replacements from 47355 patients. Stat Med 2004;23:32227-40.
  Dependency_issues_in_survival_analyses_of_55782_primary_hip_replacements_from_47355_patients.pdf
  
  

• Lie SA, Furnes O, Havelin LI, Espehaug B, Engesæter LB, Vollset SE. The Norwegian Arthroplasty Register. Beneficial for the patients and the Norwegian health care system. The Norwegian Journal of Epidemiology 2004;14:57-63.
  Art_NorJEpidemiology_Lie2004.pdf
  
  

• Lie SA, Havelin LI, Engesæter LB, Furnes O, Vollset SE. Failure rates for 4762 revision total hip arthroplasties in the Norwegian Arthroplasty Register. J Bone Joint Surg 2004;86-B:504-9. Utilgjengelig for nedlasning.
  
  

• Byström S, Espehaug B, Furnes O, Havelin LI. Femoral head size is a risk factor for total hip luxation: a study of 42,987 primary hip arthroplasties from the Norwegian Arthroplasty Register. Acta Orthop Scand. 2003;74:514-24.
  Art_Acta_Byström2003.pdf
  
  

• Engesæter LB, Lie SA, Espehaug B, Furnes O, Vollset SE, Havelin LI. Antibiotic prophylaxis in total hip arthroplasty: effects of antibiotic prophylaxis systemically and in bone cement on the revision rate of 22,170 primary hip replacements followed 0-14 years in the Norwegian Arthroplasty Register. Acta Orthop Scand. 2003;74:644-51.
  Art_Acta_Engesæter2003.pdf
  
  

• Furnes O, Havelin LI, Espehaug B, Engesæter LB, Lie SA, Vollset SE. The Norwegian registry of joint prostheses - 15 beneficial years for both the patients and the health care. Tidsskr Nor Lægeforen 2003;123:1367-9.
  Art_Tidsskr_Furnes2003.pdf
  
  

• Flugsrud GB, Nordsletten L, Espehaug B, Havelin LI, Meyer HE. Weight change and the risk of total hip replacements. Epidemiology 2003;14:578-84.
  Art_Epidemiology_Flugsrud2003.pdf
  
  

• Lie SA. Patients in the Norwegian Arthroplasty Register. Revmatikeren 2003;5:18-9.
  Art_Revmatikeren_Lie2003.pdf
  
  

• Havelin LI, Espehaug B, Engesæter LB. The performance of two hydroxyapatite- coated acetabular cups compared with Charnley cups. From the Norwegian Arthroplasty Register. J Bone Joint Surg 2002;84-B:839-45.
  Utilgjengelig for nedlastning.
  
  

• Lie SA, Engesæter LB, Havelin LI, Furnes O, Vollset SE. Early postoperative mortality after 67,548 total hip replacements. Causes of death and tromboprophylaxis in 68 hospitals in Norway from 1987 to 1999. Acta Orthop Scand 2002;73:392-9.
  Art_Acta_Lie2002.pdf
  
  

• Furnes O, Espehaug B, Lie SA, Vollset SE, Engesæter LB, Havelin LI. Early failures among 7174 primary total knee replacements. A follow-up study from The Norwegian Arthroplasty Register 1994-2000. Acta Orthop Scand 2002;73:117-29.
  Art_Acta_Furnes2002.pdf
  
  

• Flugsrud GB, Nordsletten L, Espehaug B, Havelin LI, Meyer HE. Risk factors for total hip replacement due to primary osteoarthritis: a cohort study in 50,034 persons. Arthritis Rheum 2002;46:675-82.
  Art_ArthritisRheumatism_Flugsrud2002.pdf
  
  

• Espehaug B, Furnes O, Havelin LI, Engesæter LB, Vollset SE. The type of cement and failure of total hip replacements. J Bone Joint Surg 2002;84-B:832-8.
  Utilgjengelig for nedlastning.
  
  

• Furnes O, Lie SA, Espehaug B, Vollset SE, Engesæter LB, Havelin LI. Hip disease and the prognosis of total hip replacements. A review of 53 698 primary total hip replacements reported to the Norwegian Arthroplasty Register 1987-1999. J Bone Joint Surg 2001;83-B:579-86.​​Utilgjengelig for nedlastning.
  
  

• Lie SA. Mortality after total hip replacements. Nordisk Geriatrik 2000;4:72.
  Art_NordiskGeriatrik_Lie2000.pdf
  
  

• Lie SA, Havelin LI, Engesæter LB, Gjessing HK, Vollset SE. Mortality after total hip replacement: 0-10 year follow-up of 39,543 patients in the Norwegian Arthroplasty Register. Acta Orthop Scand 2000;71:19-27.
  Art_Acta_Lie2000.pdf
  
  

• Havelin LI, Espehaug B, Lie SA, Engesæter LB, Furnes O, Vollset SE. The Norwegian Arthroplasty Register. 11 years and 73,000 arthroplasties. Acta Orthop Scand 2000;71:337-53.
  Art_Acta_Havelin2000.pdf
  
  

• Havelin LI. The Norwegian Joint Registry. Bull Hosp Jt Dis. 1999;58:139-48.
  Art_Bulletin_Havelin1999.pdf
  
  

• Espehaug B, Havelin LI, Engesæter LB, Vollset SE. The effect of hospital-type and operating volume on the survival of hip replacements. A review of 39,505 primary total hip replacements reported to the Norwegian Arthroplasty Register, 1988-1996. Acta Orthop Scand 1999;70:12-8.
  Art_Acta_Espehaug1999.pdf
  
  

• Espehaug B, Havelin LI, Engesæter LB, Langeland N, Vollset SE. Patient satisfaction and function after primary and revision total hip replacement. Clin Orthop 1998;351:135-48.
  Art_ClinOrthop_Espehaug1998.pdf
  
  

• Furnes O, Lie SA, Havelin LI, Vollset SE, Engesæter LB. Exeter and Charnley arthroplasties with Boneloc or high viscosity cement. Comparison of 1127 arthroplasties followed for 5 years in the Norwegian Arthroplasty Register. Acta Orthop Scand 1997;68:515-20.
  ​Art_Acta_Furnes1997.pdf
  
  

• Espehaug B, Engesæter LB, Vollset SE, Havelin LI, Langeland N. Antibiotic prophylaxis in total hip arthroplasty. Review of 10,905 primary cemented total hip replacements reported to the Norwegian Arthroplasty Register, 1987-1995. J Bone Joint Surg 1997;79-B:590-5. Utilgjengelig for nedlastning.
  
  

• Espehaug B, Havelin LI, Engesæter LB, Langeland N, Vollset SE. Patient-related risk factors for early revision of total hip replacements - A population register-based case-control study. Acta Orthop Scand 1997;68:207-15.
  ​Art_ClinOrthop_Espehaug1998 (1).pdf
  
  

• Reigstad A. Joint prostheses-development, quality and public regulation. Tidsskr Nor Lægefor 1996 Oct 20;116(25):2990-1.
  Art_Reigstad-Leddproteser-utvikling.pdf
  
  

• Furnes A, Lie SA, Havelin LI, Engesæter LB. Quality control of prosthetic replacements of knee, ankle, toe, shoulder, elbow and finger joints in Norway 1994. A report after the first year of registration of joint prostheses in the national registry. Tidsskr for Nor Lægefor 1996;116:1777-81.
  Art_A.Furnes-Kvalitetskontroll av proteseoperasjoner1996.pdf
  
  

• Furnes A, Lie SA, Havelin LI, Engesæter LB, Vollset SE. The economic impact of failures in total hip replacement surgery. The Norwegian Arthroplasty Register 1987-1993. Acta Orthop Scand 1996;67:115-21.
  Art_Acta_FurnesA1996.pdf
  
  

• Skeide BE, Lie SA, Havelin LI, Engesæter LB. Total hip arthroplasty after femoral neck fractures. Results from the national registry on joint prostheses. Tidsskr Nor Lægefor 1996;116:1449-51.
  Art_Skeide-Totalprotese etter.pdf
  
  

• Engesæter LB, Furnes A, Havelin LI, Lie SA, Vollset SE. The hip registry. Good economy for society. Tidsskr Nor Lægefor 1996;116:3025-7.
  Art_Engesæter-Hofteregisteret.pdf
  
  
• ​Espehaug B, Havelin LI, Engesæter LB, Vollset SE, Langeland N. Early revision among 12,179 hip prostheses. A comparison of 10 different prosthesis brands reported to the Norwegian Arthroplasty Register, 1987-1993. Acta Orthop Scand 1995;66:487-93.
  Art_Acta_Espehaug1995.pdf
  
  

• ​Havelin LI, Vollset SE, Engesæter LB. Revision for aseptic loosening of uncemented cups in 4.352 primary total hip prostheses. A report from the Norwegian Arthroplasty Register. Acta Orthop Scand 1995;66:494-500.
  Art_Acta_Havelin1995.pdf
  
  

• Havelin LI, Espehaug B, Vollset SE, Engesaeter LB. The Effect of cement type on early revision of Charnley total hip prostheses. A review of 8,579 primary arthroplasties from the Norwegian Arthroplasty Register. J Bone Joint Surg 1995;77-A:1543-50.
  Art_JBJS(Am)_Havelin1995.pdf
  
  

• Havelin LI, Espehaug B, Vollset SE, Engesæter LB. Early aseptic loosening of uncemented femoral components in primary total hip replacement. A review based on the Norwegian Arthroplasty Register. J Bone Joint Surg (Br) 1995;77B:11-7.
  Art_JBJS(Br)_Havelin1995.pdf
  
  

• Havelin LI, Espehaug B, Vollset SB, Engesæter LB. Early failures among 14,009 cemented and 1,326 uncemented prostheses for primary coxarthrosis. The Norwegian Arthroplasty Register, 1987-1992. Acta Orthop Scand 1994;65:1-6.
  Art_Acta_Havelin1994.pdf
  
  

• ​Havelin LI, Espehaug B, Vollset SE, Engesæter LB, Langeland N. The Norwegian Arthroplasty Register. A survey of 17,444 total hip replacements. Acta Orthop Scand 1993;64:245-51.
  Art_Acta_Havelin1993.pdf
  ​​

• Engesæter LB, Havelin LI, Espehaug B, Vollset SE. Artificial hip joints in Norway. A national registry of total hip arthroplasties. Nor Laegefor 1992;112:872-5.
  ​Art_Engesæter- Kunstige hofteledd.pdf
  

​