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The benefits of collaboration: the Nordic Arthroplasty Register Association.
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. Mäkelä KT, et al. EFORT Open Rev. 2019 Jun 3;4(6):391-400. doi: 10.1302/2058-5241.4.180058. eCollection 2019 Jun. EFORT Open Rev. 2019. PMID: 31312523 Free PMC article. Review.
The Nordic Arthroplasty Register Association (NARA) was established in 2007 by arthroplasty register representatives from Sweden, Norway and Denmark with the overall aim to improve the quality of research and thereby enhance the possibility for …
The Nordic Arthroplasty Register Association (NARA) was established in 2007 by arthroplasty register repr …
Impact of Nordic Arthroplasty Register Association (NARA) collaboration on demographics, methods and revision rates in knee arthroplasty: a register-based study from NARA 2000-2017.
Irmola T, Ponkilainen V, Mäkelä KT, Robertsson O, W-Dahl A, Furnes O, Fenstad AM, Pedersen AB, Schrøder HM, Niemeläinen MJ, Eskelinen A. Irmola T, et al. Acta Orthop. 2022 Nov 28;93:866-873. doi: 10.2340/17453674.2022.5256. Acta Orthop. 2022. PMID: 36445098 Free PMC article.
BACKGROUND AND PURPOSE: We have previously observed differences in treatment and outcome of knee arthroplasties in the Nordic countries. To evaluate the impact of Nordic collaboration in the last 15 years we aimed to compare patient demographics, methods, and …
BACKGROUND AND PURPOSE: We have previously observed differences in treatment and outcome of knee arthroplasties in the Nordic …
Total hip arthroplasties in the Dutch Arthroplasty Register (LROI) and the Nordic Arthroplasty Register Association (NARA): comparison of patient and procedure characteristics in 475,685 cases.
Van Steenbergen LN, Mäkelä KT, Kärrholm J, Rolfson O, Overgaard S, Furnes O, Pedersen AB, Eskelinen A, Hallan G, Schreurs BW, Nelissen RGHH. Van Steenbergen LN, et al. Acta Orthop. 2021 Feb;92(1):15-22. doi: 10.1080/17453674.2020.1843875. Epub 2020 Nov 10. Acta Orthop. 2021. PMID: 33167753 Free PMC article.
Background and purpose - Collaborations between arthroplasty registries are important in order to create the possibility of detecting inferior implants early and improve our understanding of differences between nations in terms of indications and outcomes. In this registry …
Background and purpose - Collaborations between arthroplasty registries are important in order to create the possibility of detecting …
Incidence of constrained condylar and hinged knee implants and mid- to long-term survivorship: a register-based study from the Nordic Arthroplasty Register Association (NARA).
Von Hintze J, Ponkilainen V, W-Dahl A, Hailer NP, Furnes O, Fenstad AM, Badawy M, Pedersen AB, Lindberg-Larsen M, Niemeläinen MJ, Mäkelä K, Eskelinen A. Von Hintze J, et al. Acta Orthop. 2025 Feb 6;96:142-150. doi: 10.2340/17453674.2025.42999. Acta Orthop. 2025. PMID: 39912759 Free PMC article.
BACKGROUND AND PURPOSE: In complex primary total knee arthroplasty (TKA), constrained condylar knee (CCK) or rotating hinge knee (RHK) designs may be required to provide stability or address bony deficiencies. We analyzed trends in incidence of these designs in primary TKA …
BACKGROUND AND PURPOSE: In complex primary total knee arthroplasty (TKA), constrained condylar knee (CCK) or rotating hinge knee (RHK …
A Scandinavian experience of register collaboration: the Nordic Arthroplasty Register Association (NARA).
Havelin LI, Robertsson O, Fenstad AM, Overgaard S, Garellick G, Furnes O. Havelin LI, et al. J Bone Joint Surg Am. 2011 Dec 21;93 Suppl 3:13-9. doi: 10.2106/JBJS.K.00951. J Bone Joint Surg Am. 2011. PMID: 22262418
BACKGROUND: The Nordic (Scandinavian) countries have had working arthroplasty registers for several years. However, the small numbers of inhabitants and the conformity within each country with respect to preferred prosthesis brands and techniques have limited …
BACKGROUND: The Nordic (Scandinavian) countries have had working arthroplasty registers for several years. However, the …
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.
Niemeläinen MJ, Mäkelä KT, Robertsson O, W-Dahl A, Furnes O, Fenstad AM, Pedersen AB, Schrøder HM, Reito A, Eskelinen A. Niemeläinen MJ, et al. Acta Orthop. 2020 Apr;91(2):184-190. doi: 10.1080/17453674.2019.1710373. Epub 2020 Jan 13. Acta Orthop. 2020. PMID: 31928097 Free PMC article.
Background and purpose - Cemented fixation is regarded as the gold standard in total knee arthroplasty (TKA). Among working-age patients, there has been controversy regarding the optimal fixation method in TKA. To address this issue, we conducted a register-based st …
Background and purpose - Cemented fixation is regarded as the gold standard in total knee arthroplasty (TKA). Among working-age patie …
Increasing risk of revision due to infection after primary total hip arthroplasty: results from the Nordic Arthroplasty Register Association.
Dale H, Fenstad AM, Hallan G, Overgaard S, Pedersen AB, Hailer NP, Kärrholm J, Rolfson O, Eskelinen A, Mäkelä KT, Furnes O. Dale H, et al. Acta Orthop. 2023 Jun 27;94:307-315. doi: 10.2340/17453674.2023.13648. Acta Orthop. 2023. PMID: 37378447 Free PMC article.
BACKGROUND AND PURPOSE: The incidence of periprosthetic joint infection after total hip arthroplasty (THA) may be increasing. We performed time-trend analyses of risk, rates, and timing of revision due to infection after primary THAs in the Nordic countries from the …
BACKGROUND AND PURPOSE: The incidence of periprosthetic joint infection after total hip arthroplasty (THA) may be increasing. We perf …
Does choice of bearings influence the survival of cementless total hip arthroplasty in patients aged 20-55 years? Comparison of 21,594 patients reported to the Nordic Arthroplasty Register Association dataset 2005-2017.
Mikkelsen RT, Overgaard S, Pedersen AB, Kärrholm J, Rolfson O, Fenstad AM, Furnes O, Hallan G, Mäkelä K, Eskelinen A, Varnum C. Mikkelsen RT, et al. Acta Orthop. 2023 Jun 5;94:266-273. doi: 10.2340/17453674.2023.13384. Acta Orthop. 2023. PMID: 37291896 Free PMC article.
BACKGROUND AND PURPOSE: The bearings with the best survivorship for young patients with total hip arthroplasty (THA) should be identified. We compared hazard ratios (HR) of revision of primary stemmed cementless THAs with metal-on-metal (MoM), ceramic-on-ceramic (CoC), and …
BACKGROUND AND PURPOSE: The bearings with the best survivorship for young patients with total hip arthroplasty (THA) should be identi …
The short-term survival of total stemless shoulder arthroplasty for osteoarthritis is comparable to that of total stemmed shoulder arthroplasty: a Nordic Arthroplasty Register Association study.
Rasmussen JV, Harjula J, Arverud ED, Hole R, Jensen SL, Brorson S, Fenstad AM, Salomonsson B, Äärimaa V. Rasmussen JV, et al. J Shoulder Elbow Surg. 2019 Aug;28(8):1578-1586. doi: 10.1016/j.jse.2019.01.010. Epub 2019 Apr 28. J Shoulder Elbow Surg. 2019. PMID: 31043348
METHODS: Data were collected by the national arthroplasty registries in Denmark, Finland, Norway, and Sweden and merged into 1 dataset under the umbrella of the Nordic Arthroplasty Register Association. ...The 6-year unadjusted cumulative survival rate …
METHODS: Data were collected by the national arthroplasty registries in Denmark, Finland, Norway, and Sweden and merged into 1 datase …
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