Blar i Bergen Open Research Archive på forfatter "Gjertsen, Jan-Erik"
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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 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 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 ... -
Cementing techniques for total knee arthroplasty in Norwegian hospitals; a questionnaire-based study
Khan, Michelle; Gjertsen, Jan-Erik; Fenstad, Anne Marie; Refsum, Anders Myhre; Nguyen, Uy Viet; Hallan, Geir; Høl, Paul Johan; Furnes, Ove Nord (Journal article; Peer reviewed, 2023-11-18)Background: Cementing technique in total knee arthroplasty (TKA) may influence implant survival. There is limited knowledge about the results with clinically used techniques. The aim of this study was to investigate ... -
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 ... -
Compensation Claims After Hip Fracture Surgery in Norway 2008-2018
Hoseth, John Magne; Aae, Tommy Frøseth; Jakobsen, Rune Bruhn; Fenstad, Anne Marie; Bukholm, Ida Rashida Khan; Gjertsen, Jan-Erik; Randsborg, Per-Henrik (Journal article; Peer reviewed, 2023)Background Surgical complications contribute to the significant mortality following hip fractures in the elderly. The purpose of this study was to increase our knowledge of surgical complications by evaluating compensation ... -
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 ... -
The Delta III and Delta Xtend reverse shoulder arthroplasty. Risk of revision and failure mechanisms: a report on 3,650 cases from the Norwegian Arthroplasty Register 1994-2021
Hole, Randi Margrete; Fenstad, Anne Marie; Gjertsen, Jan-Erik; Hallan, Geir; Furnes, Ove Nord (Journal article; Peer reviewed, 2024)Background: The Delta reverse shoulder arthroplasty (RSA) is commonly used worldwide and is the most frequently used RSA in Norway. The aim of this registry-based study was to report 10- and 20-year implant survival, risk ... -
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 ... -
Effects of implant precoating and fat contamination on the stability of the tibial baseplate
Silva, Maya Maya Barbosa; Gjertsen, Jan-Erik; Moldestad, Irene Ohlen; Furnes, Ove Nord; Khan, Michelle; Høl, Paul Johan (Journal article; Peer reviewed, 2024)Background Approximately 5% of primary total knee arthroplasty patients require revision within 10 years, often due to distal component loosening. Application of a thin layer of PMMA cement as precoating on the tibial ... -
Epidemiology of forearm fractures in women and men in Norway 2008–2019
Andreasen, Camilla; Dahl, Cecilie; Solberg, Lene Bergendal; Borgen, Tove Tveitan; Wisløff, Torbjørn; Gjertsen, Jan-Erik; Figved, Wender; Stutzer, Jens-Meinhard; Nissen, Frida Igland; Nordsletten, Lars; Frihagen, Frede; Bjørnerem, Åshild Marit; Omsland, Tone Kristin (Journal article; Peer reviewed, 2023)Summary The purpose of this paper is to describe rates of forearm fractures in adults in Norway 2008–2019. Incidence rate of distal forearm fractures declined over time in both sexes. Forearm fracture constitute a ... -
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 ... -
Geographical variation in orthopedic procedures in Norway: Cross-sectional population-based study
Holsen, Maria; Hovind, Veronica; Bedane, Haji Kedir; Osvoll, Knut Ivar; Gjertsen, Jan-Erik; Furnes, Ove Nord; Walsh, Mary E.; Ingebrigtsen, Tor (Journal article; Peer reviewed, 2022)Background: Standardized surgery rates for common orthopedic procedures vary across geographical areas in Norway. We explored whether area-level factors related to demand and supply in publicly funded healthcare are ... -
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 ... -
I starten var det Hofteregisteret- så ble vi flere. Nasjonalt Register for Leddproteser, Nasjonalt Hoftebruddregister, Nasjonalt Korsbåndregister og Nasjonalt Barnehofteregister
Furnes, Ove Nord; Gjertsen, Jan-Erik; Inderhaug, Eivind; Gundersen, Trude; Fenstad, Anne Marie; Lie, Stein Atle; Hallan, Geir (Journal article; Peer reviewed, 2023)De 4 ortopediske registrene Nasjonalt Register for Leddproteser, Nasjonalt Hoftebruddregister, Nasjonalt Korsbåndregister og Nasjonalt Barnehofteregister er lokalisert til Helse Bergen og presenteres her med eksempler på ...