Blar i Bergen Open Research Archive på forfatter "Pedersen, Alma B."
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Association between fixation type and 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
Irmola, Tero; Ponkilainen, Ville; Mäkelä, Keijo; Robertsson, Otto; W-Dahl, Annette; Furnes, Ove; Fenstad, Anne Marie; Pedersen, Alma B.; Schrøder, Henrik M.; Eskelinen, Antti; Niemeläinen, Mika J (Journal article; Peer reviewed, 2021)Background and purpose — The population of the Nordic countries is aging and the number of elderly patients undergoing total knee arthroplasty (TKA) is also expected to increase. Reliable fixation methods are essential to ... -
Hospital volume and the risk of revision in Oxford unicompartmental knee arthroplasty in the Nordic countries -an observational study of 14,496 cases
Badawy, Mona; Fenstad, Anne Marie; Bartz-Johannessen, Christoffer; Indrekvam, Kari; Havelin, Leif Ivar; Robertsson, Otto; W-Dahl, Annette; Eskelinen, Antti; Mäkelä, Keijo; Pedersen, Alma B.; Schrøder, Henrik M.; Furnes, Ove (Peer reviewed; Journal article, 2017-09-07)Background High procedure volume and dedication to unicompartmental knee arthroplasty (UKA) has been suggested to improve revision rates. This study aimed to quantify the annual hospital volume effect on revision risk in ... -
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
Hailer, Nils P.; Lazarinis, Stergios; Mäkelä, Keijo T.; Eskelinen, Antti; Fenstad, Anne Marie; Hallan, Geir; Havelin, Leif Ivar; Overgaard, Søren; Pedersen, Alma B.; Mehnert, Frank; Kärrholm, Johan (Peer reviewed; Journal article, 2014-09-01)Background and purpose — It is still being debated whether HA coating of uncemented stems used in total hip arthroplasty (THA) improves implant survival. We therefore investigated different uncemented stem brands, with and ... -
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)
Dale, Håvard; Fenstad, Anne Marie; Hallan, Geir; Havelin, Leif Ivar; Furnes, Ove; Overgaard, Søren; Pedersen, Alma B.; Kärrholm, Johan; Garellick, Göran; Pulkkinen, Pekka; Eskelinen, Antti; Mäkelä, Keijo; Engesæter, Lars B. (Peer reviewed; Journal article, 2012-10)Background and purpose: The risk of revision due to infection after primary total hip arthroplasty (THA) has been reported to be increasing in Norway. We investigated whether this increase is a common feature in the Nordic ... -
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
Pedersen, Alma B.; Andersen, Ina Trolle; Overgaard, Søren; Fenstad, Anne Marie; Lie, Stein Atle; Gjertsen, Jan-Erik; Furnes, Ove (Peer reviewed; Journal article, 2019)Background and purpose — The recommended optimal duration of the thromboprophylaxis treatment in total hip arthroplasty (THA) patients has been a matter of debate for years. We examined the association between short (1–5 ... -
Outcome of 881 total hip arthroplasties in 747 patients 21 years or younger: data from the Nordic Arthroplasty Register Association (NARA) 1995-2016
Halvorsen, Vera Baasland; Fenstad, Anne Marie; Engesæter, Lars B.; Nordsletten, Lars; Overgaard, Søren; Pedersen, Alma B.; Kärrholm, Johan; MOHADDES, MAZIAR; Eskelinen, Antti; Mäkelä, Keijo T.; Röhrl, Stephan Maximillian (Peer reviewed; Journal article, 2019-05-19)Background and purpose — The literature is scarce on the outcome of the youngest patients with total hip arthroplasties (THAs). We analyzed register data, revision risk, and related factors in patients 21 years or younger ... -
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 Association database
Pedersen, Alma B.; Mailhac, Aurélie; Garland, Anne; Overgaard, Søren; Furnes, Ove; Lie, Stein Atle; Fenstad, Anne Marie; Rogmark, Cecilia; Kärrholm, Johan; Rolfson, Ola; Haapakoski, Jaason; Eskelinen, Antti; Mäkelä, Keijo; Hailer, Nils P. (Journal article; Peer reviewed, 2021)Background and purpose — Current literature indicates no difference in 90-day mortality after cemented compared with cementless total hip arthroplasty (THA). However, previous studies are hampered by potential selection ... -
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, Liza N.; Mäkelä, Keijo; Kärrholm, Johan; Rolfson, Ola; Overgaard, Søren; Furnes, Ove; Pedersen, Alma B.; Eskelinen, Antti; Hallan, Geir; Schreurs, Berend W.; Nelissen, Rob G.H.H. (Journal article; Peer reviewed, 2021)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 ...