Blar i Bergen Open Research Archive på forfatter "Mäkelä, Keijo"
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Homogeneity in prediction of survival probabilities for subcategories of hipprosthesis data: The Nordic Arthroplasty Register Association, 2000-2013
Bartz-Johannessen, Christoffer; Furnes, Ove; Fenstad, Anne Marie; Lie, Stein Atle; Pedersen, Alma Becic; Overgaard, Søren; Kärrholm, Johan; Malchau, Henrik; Mäkelä, Keijo; Eskelinen, Antti; Wilkinson, Jeremy M (Peer reviewed; Journal article, 2019-07-10)Introduction: The four countries in the Nordic Arthroplasty Register Association (NARA) share geographic proximity, culture, and ethnicity. Pooling data from different sources in order to obtain higher precision and accuracy ... -
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 ... -
Impact of hip arthroplasty registers on orthopaedic practice and perspectives for the future
Varnum, Claus; Pedersen, Alma Bečić; Rolfson, Ola; Rogmark, Cecilia; Furnes, Ove; Hallan, Geir; Mäkelä, Keijo; de Steiger, Richard; Porter, Martyn; Overgaard, Søren (Peer reviewed; Journal article, 2019)Total hip arthroplasty (THA) registers are established in several countries to collect data aiming to improve the results after THA. Monitoring of adverse outcomes after THA has focused mainly on revision surgery, but ... -
Increased risk of revision for infection in rheumatoid arthritis patients with total hip replacements. A study of 390,671 primary arthroplasties from the Nordic Arthroplasty Register Association
Schrama, Johannes Cornelis; Fenstad, Anne Marie; Dale, Håvard; Hallan, Geir; Overgaard, Søren; Pedersen, Alma B; Kärrholm, Johan; Garellick, Göran; Pulkkinen, Pekka; Eskelinen, Antti; Mäkelä, Keijo; Engesæter, Lars B.; Fevang, Bjørg-Tilde (Peer reviewed; Journal article, 2015)Background and purpose — Medical treatment of rheumatoid arthritis (RA) has changed dramatically over the last 15 years, including immune modulation. We investigated the risk of revision for infection after primary total ... -
Increased risk of revision of cementless stemmed total hip arthroplasty with metal-on-metal bearingsData from the Nordic Arthroplasty Register Association
Varnum, Claus; Pedersen, Alma B; Mäkelä, Keijo; Eskelinen, Antti; Havelin, Leif Ivar; Furnes, Ove; Kärrholm, Johan; Garellick, Göran; Overgaard, Søren (Peer reviewed; Journal article, 2015)Background and purpose — Data from the national joint registries in Australia and England and Wales have revealed inferior medium-term survivorship for metal-on-metal (MoM) total hip arthroplasty (THA) than for ... -
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 ...