Browsing Bergen Open Research Archive by Author "Gjertsen, Jan-Erik"
Now showing items 1-20 of 36
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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)
Leta, Tesfaye Hordofa; Gjertsen, Jan-Erik; Dale, Håvard; Hallan, Geir; Lygre, Stein Håkon Låstad; Fenstad, Anne Marie; Dyrhovden, Gro Sævik; Westberg, Marianne; Wik, Tina Strømdal; Jakobsen, Rune Bruhn; Aamodt, Arild; Röhrl, Stephan Maximillian; Gøthesen, Øystein Johannes; Lindalen, Einar; Heir, Stig; Ludvigsen, Jarle; Bruun, Trond; Hansen, Ann Kristin; Aune, Knut Erik Moen; Warholm, Marianne; Skjetne, John Petter; Badawy, Mona; Høvding, Pål; Husby, Otto Schnell; Karlsen, Øystein Espeland; Furnes, Ove Nord (Journal article; Peer reviewed, 2021)Introduction The current evidence on the efficacy of antibiotic-loaded bone cement (ALBC) in reducing the risk of periprosthetic joint infections (PJI) after primary joint reconstruction is insufficient. In several European ... -
Association of perioperative thromboprophylaxis on revision rate due to infection and aseptic loosening in primary total hip arthroplasty - new evidence from the Nordic Arthroplasty Registry Association (NARA)
Benson, Thea Emily; Andersen, Ina Trolle; Overgaard, Søren; Fenstad, Anne Marie; Lie, Stein Atle; Gjertsen, Jan-Erik; Furnes, Ove Nord; Pedersen, Alma Becic (Journal article; Peer reviewed, 2022)Background and purpose: Results regarding the impact of anticoagulants on revision rate are conflicting. We examined the association between the use of low molecular weight heparin (LMWH) or non-vitamin K oral anticoagulants ... -
Associations of overweight, obesity and osteoporosis with ankle fractures
Hjelle, Anja Myhre; Apalset, Ellen M.; Gjertsen, Jan-Erik; Nilsen, Roy M.; Lober, Anja; Tell, Grethe S.; Pawel, Mielnik (Journal article; Peer reviewed, 2021)Background: Studies exploring risk factors for ankle fractures in adults are scarce, and with diverging conclusions. This study aims to investigate whether overweight, obesity and osteoporosis may be identified as risk ... -
Cognitive impairment influences the risk of reoperation after hip fracture surgery: results of 87,573 operations reported to the Norwegian Hip Fracture Register
Kristoffersen, Målfrid Holen; Dybvik, Eva Hansen; Steihaug, Ole Martin; Kristensen, Torbjørn; Engesæter, Lars B.; Ranhoff, Anette Hylen; Gjertsen, Jan-Erik (Journal article; Peer reviewed, 2020)Background and purpose — About one-fourth of hip fracture patients have cognitive impairment. We investigated whether patients’ cognitive function affects surgical treatment, risk of reoperation, and mortality after hip ... -
Cost utility analysis of intramedullary nailing and skeletal traction treatment for patients with femoral shaft fractures in Malawi
Chokotho, Linda; Donnelley, Claire A; Young, Sven; Lau, Brian C.; Wu, Hao-Hua; Mkandawire, Nyengo; Gjertsen, Jan-Erik; Hallan, Geir; Agarwal-Harding, Kiran J; Shearer, David (Journal article; Peer reviewed, 2021)Background and purpose — In Malawi, both skeletal traction (ST) and intramedullary nailing (IMN) are used in the treatment of femoral shaft fractures, ST being the mainstay treatment. Previous studies have found that IMN ... -
Do direct oral anticoagulants (DOACs) cause delayed surgery, longer length of hospital stay, and poorer outcome for hip fracture patients?
Leer-Salvesen, Sunniva; Dybvik, Eva Hansen; Ranhoff, Anette Hylen; Husebø, Bjørn Liljestrand; Dahl, Ola Einar; Engesæter, Lars B.; Gjertsen, Jan-Erik (Journal article; Peer reviewed, 2020)Purpose The perioperative consequences of direct oral anticoagulants (DOACs) in hip fracture patients are not sufficiently investigated. The primary aim of this study was to determine whether DOAC-users have delayed surgery ... -
Fast track hip fracture care and mortality – an observational study of 2230 patients
Pollmann, Christian Thomas; Røtterud, Jan H; Gjertsen, Jan-Erik; Dahl, Fredrik Andreas; Lenvik, Olav; Årøen, Asbjørn (Peer reviewed; Journal article, 2019-05-24)Background: Hip fracture patients are frail and have a high mortality. We investigated whether the introduction of fast track care reduced the 30-day mortality after hip fractures. Methods: Fast track hip fracture care was ... -
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
Dale, Håvard; Børsheim, Sjur; Kristensen, Torbjørn; Fenstad, Anne Marie; Gjertsen, Jan-Erik; Hallan, Geir; Lie, Stein Atle; Furnes, Ove (Peer reviewed; Journal article, 2020)Background and purpose: There is no consensus on best method of fixation in hip arthroplasty. We investigated different modes of fixation in primary total hip arthroplasty (THA) and the influence of age and sex, to assess ... -
Good validity in the Norwegian Knee Ligament Register: assessment of data quality for key variables in primary and revision cruciate ligament reconstructions from 2004 to 2013
Midttun, Espen; Andersen, Morten Torheim; Engebretsen, Lars; Visnes, Håvard; Fenstad, Anne Marie; Gjertsen, Jan-Erik; Persson, Andreas (Journal article; Peer reviewed, 2022)Background: The Norwegian Knee Ligament Register was founded in 2004 to provide representative and reliable data on cruciate ligament surgery. The aim of this study was to evaluate the validity of key variables in the ... -
High failure rate after internal fixation and beneficial outcome after arthroplasty in treatment of displaced femoral neck fractures in patients between 55 and 70 years. An observational study of 2,713 patients reported to the Norwegian Hip Fracture Register
Bartels, Stefan; Gjertsen, Jan-Erik; Frihagen, Frede Jon; Rogmark, Cecilia; Utvåg, Stein-Erik (Peer reviewed; Journal article, 2018)Background and purpose — The treatment of patients between 55 and 70 years with displaced intracapsular femoral neck fracture remains controversial. We compared internal fixation (IF), bipolar hemiarthroplasty (HA) and ... -
High prevalence of vertebral fractures and low trabecular bone score in patients with fragility fractures: A cross-sectional sub-study of NoFRACT
Borgen, Tove Tveitan; Bjørnerem, Åshild; Solberg, Lene Bergendal; Andreasen, Camilla; Brunborg, Cathrine; Stenbro, May-Britt; Hübschle, Lars Michael; Froholdt, Anne; Figved, Wender; Apalset, Ellen M; Gjertsen, Jan-Erik; Basso, Trude; Lund, Ida; Hansen, Ann Kristin; Stutzer, Jens-Meinhard; Dahl, Cecilie; Omsland, Tone Kristin; Nordsletten, Lars; Frihagen, Frede Jon; Eriksen, Erik Fink (Peer reviewed; Journal article, 2019)Purpose: Norway has among the highest incidence rates of fractures in the world. Vertebral fracture assessment (VFA) and trabecular bone score (TBS) provide information about fracture risk, but their importance have not ... -
How Does Implant Survivorship Vary with Different Corail Femoral Stem Variants? Results of 51,212 Cases with Up to 30 Years Of Follow-up from the Norwegian Arthroplasty Register
Melbye, Silje Marie; Haug, Sofie Cecilia Dietrich; Fenstad, Anne Marie; Furnes, Ove Nord; Gjertsen, Jan-Erik; Hallan, Geir (Journal article; Peer reviewed, 2021)Background: The Corail® cementless stem (DePuy Synthes) has been used in Norway since 1987 and is one of the most frequently used stems in THA worldwide. Although the published survival results of the standard Corail stem ... -
Impact of Total Hip Replacements on the Incidence of Hip Fractures in Norway During 1999–2019. A Norwegian Epidemiologic Osteoporosis Studies (NOREPOS) Study
Kjeldgaard, Helena Kames; Meyer, Haakon Eduard; O’Flaherty, Martin; Apalset, Ellen Margrete; Dahl, Cecilie; Emaus, Nina; Fenstad, Anne Marie; Furnes, Ove Nord; Gjertsen, Jan-Erik; Hoff, Mari; Schei, Berit; Søgaard, Anne-Johanne; Tell, Grethe Seppola; Holvik, Kristin (Journal article; Peer reviewed, 2022)The knowledge about why hip fracture rates in Norway have declined is sparse. Concurrent with decreasing hip fracture rates, the rates of total hip replacements (THRs) have increased. We wanted to investigate if hip fracture ... -
Implants for trochanteric fractures in Norway: the role of the trochanteric stabilizing plate—a study on 20,902 fractures from the Norwegian hip fracture register 2011–2017
Alm, Carl Erik; Frihagen, Frede; Dybvik, Eva Hansen; Matre, Kjell; Madsen, Jan Erik; Gjertsen, Jan-Erik (Journal article; Peer reviewed, 2021-01-07)Background The trochanteric stabilizing plate (TSP) is used as an adjunct to the sliding hip screw (SHS) in unstable trochanteric and subtrochanteric fractures. We wanted to describe the choice of implant for trochanteric ... -
Intramedullary Nails Result in More Reoperations Than Sliding Hip Screws in Two-part Intertrochanteric Fractures
Matre, Kjell; Havelin, Leif Ivar; Gjertsen, Jan-Erik; Espehaug, Birgitte; Fevang, Jonas Meling (Peer reviewed; Journal article, 2013-04-01)Background Sliding hip screws (SHSs) and intramedullary (IM) nails are well-documented implants for simple two-part intertrochanteric fractures; however, there is no consensus regarding which type of implant is better. ... -
Is there a weekend effect after hip fracture surgery? A study of 74,410 hip fractures reported to the Norwegian Hip Fracture Register
Boutera, Andrea; Dybvik, Eva Hansen; Hallan, Geir; Gjertsen, Jan-Erik (Peer reviewed; Journal article, 2020)Background and purpose — The term “weekend effect” describes differences in outcomes between patients treated at weekends compared with weekdays. We investigated whether there is a weekend effect for the risk of reoperation ... -
Kaplan-Meier and Cox Regression Are Preferable for the Analysis of Time to Revision of Joint Arthroplasty: Thirty-One Years of Follow-up for Cemented and Uncemented THAs Inserted from 1987 to 2000 in the Norwegian Arthroplasty Register
Lie, Stein Atle; Fenstad, Anne Marie; Lygre, Stein Håkon Låstad; Kroken, Gard; Dybvik, Eva Hansen; Gjertsen, Jan-Erik; Hallan, Geir; Dale, Håvard; Furnes, Ove Nord (Journal article; Peer reviewed, 2022)Background: Previous studies have suggested that the probability function of 1 minus the Kaplan-Meier survivorship overestimates revision rates of implants and that patient death should be included in estimates as a competing ... -
Low bone density and high morbidity in patients between 55 and 70 years with displaced femoral neck fractures: A case-control study of 50 patients vs 150 normal controls
Bartels, Stefan; Gjertsen, Jan-Erik; Frihagen, Frede Jon; Rogmark, Cecilia; Utvåg, Stein-Erik (Peer reviewed; Journal article, 2019-08-14)Background A displaced femoral neck fracture (FNF) in patients 55-70 years is a serious injury with a high risk of treatment failure and the optimal surgical treatment remains unclear. We aimed to describe characteristics ... -
Modifiable and non-modifiable risk factors in hip fracture mortality in Norway, 2014 to 2018 - a linked multiregistry study
Kjærvik, Cato; Gjertsen, Jan-Erik; Stensland, Eva; Saltete-Benth, Jurate; Søreide, Odd (Journal article; Peer reviewed, 2022)Aims This study aimed to identify risk factors (patient, healthcare system, and socioeconomic) for mortality after hip fractures and estimate their relative importance. Further, we aimed to elucidate mortality and survival ... -
No association between osteoporosis and AO classification of distal radius fractures: an observational study of 289 patients
Hjelle, Anja Myhre; Gjertsen, Jan-Erik; Apalset, Ellen Margrete; Nilsen, Roy Miodini; Lober, Anja; Tell, Grethe S.; Pawel, Mielnik (Journal article; Peer reviewed, 2020-12)Background: It is mechanically plausible that osteoporosis leads to more severe peripheral fractures, but studies investigating associations between BMD and radiographically verified complexity of distal radius fractures ...