Browsing Bergen Open Research Archive by Author "Pedersen, Alma B."
Now showing items 1-13 of 13
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Association between duration of anticoagulant thromboprophylaxis and revision rate in primary total hip arthroplasty: a Danish and Norwegian nationwide cohort study
Vinther, Dennis; Mailhac, Aurelie; Andersen, Ina Trolle; Overgaard, Søren; Lie, Stein Atle; Fenstad, Anne Marie; Gjertsen, Jan-Erik; Furnes, Ove Nord; Pedersen, Alma B. (Journal article; Peer reviewed, 2022)Background and purpose: There are concerns that bleeding following primary total hip arthroplasty (THA) contributes to prolonged wound drainage and prosthetic joint infection (PJI). We examined whether short (1–5 days), ... -
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 ... -
Does choice of bearings influence the survival of cement-less 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, Rasmus Tyrsted; Overgaard, Søren; Pedersen, Alma B.; Kärrholm, Johan; Rolfson, Ola; Fenstad, Anne Marie; Furnes, Ove Nord; Hallan, Geir; Mäkelä, Keijo; Eskelinen, Antti; Varnum, Claus (Journal article; Peer reviewed, 2023)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 ... -
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 ... -
Impact of the Nordic Arthroplasty Register Association (NARA) collaboration on demographics, methods and revision rates in knee arthroplasty: a register-based study from NARA 2000–2017
Irmola, Tero; Ponkilainen, Ville; Mäkelä, Keijo T.; Robertsson, Otto; W-Dahl, Annette; Furnes, Ove Nord; Fenstad, Anne Marie; Pedersen, Alma B.; Schrøder, Henrik M.; Niemeläinen, Mika J.; Eskelinen, Antti (Journal article; Peer reviewed, 2022)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 ... -
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 ... -
Increasing risk of revision due to infection after primary total hip arthroplasty: results from the Nordic Arthroplasty Register Association
Dale, Håvard; Fenstad, Anne Marie; Hallan, Geir; Overgaard, Søren; Pedersen, Alma B.; Hailer, Nils P.; Kärrholm, Johan; Rolfson, Ola; Eskelinen, Antti; Mäkelä, Keijo T.; Furnes, Ove Nord (Journal article; Peer reviewed, 2023)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 ... -
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 ... -
The use of antibiotic-loaded bone cement and systemic antibiotic prophylactic use in 2,971,357 primary total knee arthroplasties from 2010 to 2020: an international register-based observational study among countries in Africa, Europe, North America, and Oceania
Leta, Tesfaye Hordofa; Fenstad, Anne Marie; Lygre, Stein Håkon Låstad; Lie, Stein Atle; Lindberg-Larsen, Martin; Pedersen, Alma B.; W-Dahl, Annette; Rolfson, Ola; Bülow, Erik; Ashforth, James A.; VAN STEENBERGEN, Liza N.; Nelissen, Rob G. H. H.; Harries, Dylan; DE STEIGER, Richard; Lutro, Olav; Hakulinen, Emmi; Mäkelä, Keijo; Willis, Jinny; Wyatt, Michael; Frampton, Chris; Grimberg, Alexander; Steinbrück, Arnd; Wu, Yinan; Armaroli, Cristiana; Molinari, Marco; Picus, Roberto; Mullen, Kyle; Illgen, Richard; Stoica, Ioan C.; Vorovenci, Andreea E.; Dragomirescu, Dan; Dale, Håvard; Brand, Christian; Christen, Bernhard; Shapiro, Joanne; Wilkinson, J. Mark; Armstrong, Richard; Wooster, Kate; Hallan, Geir; Gjertsen, Jan-Erik; Chang, Richard N.; Prentice, Heather A.; Paxton, Elizabeth W.; Furnes, Ove Nord (Journal article; Peer reviewed, 2023)Background and purpose: Antibiotic-loaded bone cement (ALBC) and systemic antibiotic prophylaxis (SAP) have been used to reduce periprosthetic joint infection (PJI) rates. We investigated the use of ALBC and SAP in primary ...