Geir Hallan
Position
Professor
Publications
Academic article
- Gjertsen, Jan-Erik; Nilsen, Daniel Hoseth; Furnes, Ove Nord et al. (2024). Promoting cemented fixation of the femoral stem in elderly female hip arthroplasty patients and elderly hip fracture patients: a retrospective cohort study from the Norwegian Arthroplasty Register and the Norwegian Hip Fracture Register. (external link)
- Nordbø, Jakob Vangen; Straume-Næsheim, Truls Martin; Hallan, Geir et al. (2024). Patients with total hip arthroplasty were more physically active 9.6 years after surgery: a case-control study of 429 hip arthroplasty cases and 29,272 participants from a population-based health study. (external link)
- Leta, Tesfaye Hordofa; Lie, Stein Atle; Fenstad, Anne Marie et al. (2024). Periprosthetic Joint Infection After Total Knee Arthroplasty With or Without Antibiotic Bone Cement. (external link)
- Lutro, Olav; Mo, Synnøve; Tjørhom, Marianne Bollestad et al. (2024). How good are surgeons at disclosing periprosthetic joint infection at the time of revision, based on pre- and intra-operative assessment? A study on 16,922 primary total hip arthroplasties reported to the Norwegian Arthroplasty Register. (external link)
- Venäläinen, Mikko S.; Panula, Valtteri J.; Eskelinen, Antti P. et al. (2024). Prediction of Early Adverse Events After THA: A Comparison of Different Machine-Learning Strategies Based on 262,356 Observations From the Nordic Arthroplasty Register Association (NARA) Dataset. (external link)
- Pakarinen, Oskari; Ponkilainen, Ville; Varnum, Claus et al. (2024). Choice of Bearings Influences the Implant Survival of Total Hip Arthroplasty in Patients Who Have Osteoarthritis Aged 55 Years or More: Results of 158,044 Patients From the Nordic Arthroplasty Register Association From 2005 to 2017. (external link)
- Hole, Randi Margrete; Fenstad, Anne Marie; Gjertsen, Jan-Erik et al. (2024). Influence of design features and brand of reverse shoulder arthroplasties on survivorship and reasons for revision surgery: results of 5,494 arthroplasties with up to 15 years’ follow-up reported to the Norwegian Arthroplasty Register 2007–2022. (external link)
- Sundet, Mads; Gyllensten, Karen Sandvik; Dybvik, Eva Hansen et al. (2024). Five-Year Results of the Salto XT Revision Ankle Arthroplasty. (external link)
- Johannessen, Håkon Greve; Hallan, Geir; Kadar, Thomas Istvan Edelsvärd et al. (2024). Polyethylene wear and cup migration of cemented total hip arthroplasty with femoral heads made of oxidized zirconium, steel, or cobalt chromium: a 10-year secondary analysis from a randomized trial using radiostereometry. (external link)
- Pawloy, Karola; Fenstad, Anne Marie; Leta, Tesfaye Hordofa et al. (2023). No difference in risk of revision due to infection between clindamycin and cephalosporins as antibiotic prophylaxis in cemented primary total knee replacements: a report from the Norwegian Arthroplasty Register 2005–2020. (external link)
- Leta, Tesfaye Hordofa; Fenstad, Anne Marie; Lygre, Stein Håkon Låstad et al. (2023). 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. (external link)
- Mikkelsen, Rasmus Tyrsted; Overgaard, Søren; Pedersen, Alma B. et al. (2023). 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. (external link)
- Sundet, Mads; Dybvik, Eva Hansen; Furnes, Ove Nord et al. (2023). Poor survivorship of total ankle replacements. 1368 cases from the period 1994–2021 in the Norwegian arthroplasty register. (external link)
- Dale, Håvard; Fenstad, Anne Marie; Hallan, Geir et al. (2023). Increasing risk of revision due to infection after primary total hip arthroplasty: results from the Nordic Arthroplasty Register Association. (external link)
- Kirkebø, Ragnhild Loven; Nordsletten, Lars; Madsen, Jan Erik et al. (2023). Long-term follow-up and survival of delayed total hip arthroplasty following acetabular fracture: a matched cohort study of 552 cases from the Norwegian Arthroplasty Register. (external link)
- Furnes, Ove Nord; Gjertsen, Jan-Erik; Inderhaug, Eivind et al. (2023). I starten var det Hofteregisteret- så ble vi flere. Nasjonalt Register for Leddproteser, Nasjonalt Hoftebruddregister, Nasjonalt Korsbåndregister og Nasjonalt Barnehofteregister. (external link)
- Hole, Randi Margrete; Fenstad, Anne Marie; Gjertsen, Jan-Erik et al. (2023). The Delta III and Delta Xtend reverse shoulder arthroplasty—risk of revision and failure mechanisms: a report on 3650 cases from the Norwegian Arthroplasty Register 1994-2021. (external link)
- Khan, Michelle; Gjertsen, Jan-Erik; Fenstad, Anne Marie et al. (2023). Cementing techniques for total ktnee arthroplasty in Norwegian hospitals; a questionnaire-based study. (external link)
- Wolf, Susann; Johannessen, Anne Christine; Ellison, Peter et al. (2022). Inflammatory tissue reactions around aseptically loose cemented hip prostheses: A retrieval study of the Spectron EF stem with Reflection All‐Poly acetabular cup. (external link)
- Brüggemann, Heinrich; Dalen, Ingvild; Bache-Mathiesen, Lena Kristin et al. (2022). Incidence and risk factors of intraoperative periprosthetic femoral fractures during primary total hip arthroplasty: 218,423 cases reported to the Norwegian Arthroplasty Register between 1987 and 2020. (external link)
- Thoen, Peder Svenkerud; Lygre, Stein Håkon Låstad; Nordsletten, Lars et al. (2022). Risk factors for revision surgery due to dislocation within 1 year after 111,711 primary total hip arthroplasties from 2005 to 2019: a study from the Norwegian Arthroplasty Register. (external link)
- Ngoie, Leonard Banza; Dybvik, Eva Hansen; Hallan, Geir et al. (2022). The unmet need for treatment of children with musculoskeletal impairment in Malawi. (external link)
- Zalieckas, Justas; Rios Mondragon, Ivan; Pobedinskas, Paulius et al. (2022). Polycrystalline diamond coating on orthopedic implants: Realization and role of surface topology and chemistry in adsorption of proteins and cell proliferation. (external link)
- Høl, Paul Johan; Hallan, Geir; Furnes, Ove Nord et al. (2022). Similarly low-blood metal ion levels at 10-years follow-up of total hip arthroplasties with Oxinium, CoCrMo, and stainless steel femoral heads. Data from a randomized clinical trial. (external link)
- Lie, Stein Atle; Fenstad, Anne Marie; Lygre, Stein Håkon Låstad et al. (2022). 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. (external link)
- Olsen, Aarid Liland; Magnussen, Liv Heide; Skjærven, Liv Karin Helvik et al. (2021). Basic Body Awareness Therapy versus standard care in hip osteoarthritis. A randomized controlled trial. (external link)
- Chokotho, Linda; Donnelley, Claire A; Young, Sven et al. (2021). Cost utility analysis of intramedullary nailing and skeletal traction treatment for patients with femoral shaft fractures in Malawi. (external link)
- Melbye, Silje Marie; Haug, Sofie Cecilia Dietrich; Fenstad, Anne Marie et al. (2021). 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. (external link)
- Ngoie, Leonard Banza; Dybvik, Eva Hansen; Hallan, Geir et al. (2021). Prevalence, causes and impact of musculoskeletal impairment in Malawi: A national cluster randomized survey. (external link)
- Høl, Paul Johan; Hallan, Geir; Indrekvam, Kari (2021). Metallionenivåer i blod fra pasienter med metall-mot-metall-hofteprotese. (external link)
- Langvatn, Håkon; Schrama, Johannes Cornelis; Cao, Guangyu et al. (2020). Operating room ventilation and the risk of revision due to infection after total hip arthroplasty: assessment of validated data in the Norwegian Arthroplasty Register. (external link)
- Van Steenbergen, Liza N.; Mäkelä, Keijo; Kärrholm, Johan et al. (2020). 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. (external link)
- Halvorsen, Vera Baasland; Fenstad, Anne Marie; Röhrl, Stephan Maximillian et al. (2020). Hoftelidelser hos barn og unge- utredning og behandling av senfølger.. (external link)
- Pollmann, Christian Thomas; Gjertsen, Jan-Erik; Dale, Håvard et al. (2020). Operative approach influences functional outcome after DAIR for infected total hip arthroplasty. (external link)
- Dale, Håvard; Høvding, Pål; Tveit, Sindre Myklatun et al. (2020). Increasing but levelling out risk of revision due to infection after total hip arthroplasty: a study on 108,854 primary THAs in the Norwegian Arthroplasty Register from 2005 to 2019. (external link)
- Chokotho, Linda; Wu, Hao-Hua; Shearer, David et al. (2020). Outcome at 1 year in patients with femoral shaft fractures treated with intramedullary nailing or skeletal traction in a low-income country: a prospective observational study of 187 patients in Malawi. (external link)
- Tsikandylakis, G; Kärrholm, Johan; Hallan, Geir et al. (2020). Is there a reduction in risk of revision when 36-mm heads instead of 32-mm are used in total hip arthroplasty for patients with proximal femur fractures?. (external link)
- Hallan, Geir; Fenstad, Anne Marie; Furnes, Ove (2020). What is the frequency of fracture of ceramic components in THA? Results from the Norwegian arthroplasty register from 1997 to 2017. (external link)
- Kreipke, Rasmus; Rogmark, Cecilia; Pedersen, Alma B. et al. (2019). Dual Mobility Cups: Effect on Risk of Revision of Primary Total Hip Arthroplasty Due to Osteoarthritis: A Matched Population-Based Study Using the Nordic Arthroplasty Register Association Database. (external link)
- Langvatn, Håkon; Bartz-Johannessen, Christoffer; Schrama, Johannes Cornelis et al. (2019). Operating room ventilation-Validation of reported data on 108 067 primary total hip arthroplasties in the Norwegian Arthroplasty Register. (external link)
- Jobory, Ammar; Kärrholm, Johan; Overgaard, Søren et al. (2019). Reduced revision risk for dual-mobility cup in total hip replacement due to hip fracture: A matched-pair analysis of 9,040 cdases from the Nordic Arthroplasty Register Association (NARA). (external link)
- Dale, Håvard; Børsheim, Sjur; Kristensen, Torbjørn et al. (2019). Perioperative, short, and long-term mortality related to fixation in primary total hip arthroplasty: a study of 79,557 patients in the Norwegian Arthroplasty Register. (external link)
- Gromov, Kirill; Troelsen, Anders; Modaddes, Maziar et al. (2019). Varying but reduced use of postoperative mobilization restrictions after primary total hip arthroplasty in Nordic countries: a questionnaire-based study. (external link)
- Chokotho, Linda; Lau, Brian C.; Conway, Devin et al. (2019). Validation of chichewa short musculoskeletal function assessment (SMFA) questionnaire: A cross-sectional study. (external link)
- Macinnes, Scott J.; Hatzikotoulas, Konstantinos; Fenstad, Anne Marie et al. (2019). The 2018 Otto Aufranc Award: How does genome-wide variation affect osteolysis risk after THA?. (external link)
- Leta, Tesfaye Hordofa; Lygre, Stein Håkon Låstad; Schrama, Johannes Cornelis et al. (2019). Outcome of revision surgery for infection after total knee arthroplasty: Results of 3 surgical strategies. (external link)
- Dale, Håvard; Børsheim, Sjur; Kristensen, Torbjørn et al. (2019). 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.. (external link)
- Mäkelä, K.; Furnes, Ove; Hallan, Geir et al. (2019). The benefits of collaboration: the Nordic Arthroplasty register association.. (external link)
- Macinnes, Scott J; Hatzikotoulas, K; Fenstad, Anne Marie et al. (2019). Erratum to: The 2018 Otto Aufranc Award: How does genome-wide variation affect osteolysis risk after THA?. (external link)
- Varnum, Claus; Pedersen, Alma Bečić; Rolfson, Ola et al. (2019). Impact of hip arthroplasty registers on orthopaedic practice and perspectives for the future. (external link)
- Boutera, Andrea; Dybvik, Eva Hansen; Hallan, Geir et al. (2019). Is there a weekend effect after hip fracture surgery? A study of 74,410 hip fractures reported to the Norwegian Hip Fracture Register. (external link)
- Ngoie, Leonard Banza; Gallaher, Jared; Dybvik, Eva Hansen et al. (2018). The rise in road traffic injuries in Lilongwe, Malawi: A snapshot of the growing epidemic of trauma in low income countries. (external link)
- Krukhaug, Yngvar; Halland, Geir; Dybvik, Eva Hansen et al. (2018). A survivorship study of 838 total elbow replacements: a report from the Norwegian Arthroplasty Register 1994-2016. (external link)
- Petursson, Gunnar; Fenstad, Anne Marie; Gøthesen, Øystein et al. (2018). Computer-assisted compared with conventional total knee replacement: A Multicenter Parallel-Group Randomized Controlled Trial. (external link)
- Tsikandylakis, G; Kärrholm, Johan; Hailer, Nils P. et al. (2018). No increase in survival for 36-mm versus 32-mm femoral heads in metal-on-polyethylene THA: A registry study. . (external link)
- Lazarinis, Stergios; Mäkelä, Keijo T.; Eskelinen, Antti et al. (2017). Does hydroxyapatite coating of uncemented cups improve long-term survival? An analysis of 28,605 primary total hip arthroplasty procedures from the Nordic Arthroplasty Register Association (NARA). (external link)
- Wangen, Helge; Havelin, Leif Ivar; Fenstad, Anne Marie et al. (2017). Reverse hybrid total hip arthroplasty: Results from the Nordic Arthroplasty Register Association (NARA). (external link)
- Chokotho, Linda; Mkandawire, Nyengo; Conway, Devin et al. (2017). Validation and reliability of the Chichewa translation of the EQ-5D quality of life questionnaire in adults with orthopaedic injuries in Malawi. (external link)
- Kutzner, Ines; Halland, Geir; Høl, Paul Johan et al. (2017). Early aseptic loosening of a mobile-bearing total knee replacement: A case-control study with retrieval analyses. (external link)
- Petursson, Gunnar; Fenstad, Anne Marie; Gøthesen, Øystein et al. (2016). Similar migration in computer-assisted and conventional total knee arthroplasty: A multicenter, parallel-group, randomized controlled trial involving 54 patients. (external link)
- Rasmussen, Jeppe V.; Brorson, Stig; Halland, Geir et al. (2016). Is it feasible to merge data from national shoulder registries? A new collaboration within the Nordic Arthroplasty Register Association. (external link)
- Leta, Tesfaye Hordofa; Lygre, Stein Håkon Låstad; Skredderstuen, Arne Kr et al. (2016). Outcomes of unicompartmental knee arthroplasty after aseptic revision to total knee arthroplasty: a comparative study of 768 TKAs and 578 UKAs revised to TKAs from the norwegian arthroplasty register (1994 to 2011). (external link)
- Schrama, Johannes Cornelis; Fenstad, Anne Marie; Dale, Håvard et al. (2015). Increased risk of revision for infection in rheumatoid arthritis patients with total hip replacements. (external link)
- Leta, Tesfaye Hordofa; Lygre, Stein Håkon Låstad; Skredderstuen, Arne Kr et al. (2015). Failure of aseptic revision total knee arthroplasties: 145 Revision failures from the Norwegian Arthroplasty Register, 1994-2011. (external link)
- Grosse, Susann; Haugland, Hans Kristian; Lilleng, Peer Kåre et al. (2015). Wear particles and ions from cemented and uncemented titanium-based hip prostheses - A histological and chemical analysis of retrieval material. (external link)
- Jonsson, Benedikt Arni; Kadar, Thomas; Havelin, Leif Ivar et al. (2015). Oxinium modular femoral heads do not reduce polyethylene wear in cemented total hip arthroplasty at five years: A randomised trial of 120 hips using radiostereometric analysis. (external link)
- Leta, Tesfaye Hordofa; Lygre, Stein Håkon Låstad; Skredderstuen, Arne Kr et al. (2015). Secondary patella resurfacing in painful non-resurfaced total knee arthroplasties: A study of survival and clinical outcome from the Norwegian Arthroplasty Register (1994–2011). (external link)
- Langvatn, Håkon; Lutro, Olav; Dale, Håvard et al. (2015). Bacterial and hematological findings in infected total hip arthroplasties in Norway. Assessment of 278 revisions due to infection in the Norwegian Arthroplasty Register. (external link)
- Hailer, Nils P.; Lazarinis, Stergios; Mäkelä, Keijo T. et al. (2015). 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. (external link)
- Krukhaug, Yngvar; Lie, Stein Atle; Havelin, Leif Ivar et al. (2014). The results of 479 thumb carpometacarpal joint replacements reported in the Norwegian Arthroplasty Register. (external link)
- Gøthesen, Øystein Johannes; Espehaug, Birgitte; Havelin, Leif Ivar et al. (2014). Functional outcome and alignment in computer-assisted and conventionally operated total knee replacements: a multicentre parallel-group randomised controlled trial. (external link)
- Lutro, Olav; Langvatn, Håkon; Dale, Håvard et al. (2014). Increasing Resistance of Coagulase-Negative Staphylococci in Total Hip Arthroplasty Infections: 278 THA-Revisions due to Infection Reported to the Norwegian Arthroplasty Register from 1993 to 2007.. (external link)
- Young, Sven; Lie, Stein Atle; Hallan, Geir et al. (2013). Risk factors for infection after 46,113 intramedullary nail operations in low- and middle-income countries. (external link)
- Gøthesen, Øystein; Espehaug, Birgitte; Havelin, Leif Ivar et al. (2013). Survival rates and causes of revision in cemented primary total knee replacement: A report from the Norwegian Arthroplasty Register 1994-2009. (external link)
- Young, Sven; Banza, Leonard; Hallan, Geir et al. (2013). Complications after intramedullary nailing of femoral fractures in a low-income country : A prospective study of follow-up, HIV infection, and microbial infection rates after IM nailing of 141 femoral fractures at a central hospital in Malawi. (external link)
- Kadar, Thomas; Furnes, Ove; Aamodt, Arild et al. (2012). The influence of acetabular inclination angle on the penetration of polyethylene and migration of the acetabular component: A prospective, radiostereometric study on cemented acetabular components. (external link)
- Hallan, Geir; Espehaug, Birgitte; Furnes, Ove et al. (2012). Is there still a place for the cemented titanium femoral stem? 10,108 cases from the Norwegian Arthroplasty Register. (external link)
- Ellison, Peter; Hallan, Geir; Høl, Paul Johan et al. (2012). Coordinating retrieval and register studies improves postmarket surveillance. (external link)
- Dale, Håvard; Fenstad, Anne Marie; Hallan, Geir et al. (2012). 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). (external link)
- Gjertsen, Jan-Erik; Lie, Stein Atle; Vinje, Tarjei et al. (2012). More re-operations after uncemented than cemented hemiarthroplasty used in the treatment of displaced fractures of the femoral neck: an observational study of 11,116 hemiarthroplasties from a national register. (external link)
- Kadar, Thomas; Dybvik, Eva; Hallan, Geir et al. (2012). Head material influences survival of a cemented total hip prosthesis in the Norwegian Arthroplasty Register. (external link)
- Kadar, Thomas; Hallan, Geir; Aamodt, Arild et al. (2011). Wear and migration of highly cross-linked and conventional cemented polyethylene cups with cobalt chrome or Oxinium femoral heads: A randomized radiostereometric study of 150 patients. (external link)
- Lindalen, Einar; Havelin, Leif Ivar; Nordsletten, Lars et al. (2011). Is reverse hybrid hip replacement the solution? 3,963 primary hip replacements with cemented cup and uncemented stem, from the Norwegian Arthroplasty Register. (external link)
- Engesæter, Lars B.; Dale, Håvard; Schrama, Johannes Cornelis et al. (2011). Surgical procedures in the treatment of 784 infected THAs reported to the Norwegian Arthroplasty Register Best survival with 2-stage exchange revision, but also good results with debridement and retention of the fixed implant. (external link)
- Young, Sven; Lie, Stein Atle; Hallan, Geir et al. (2011). Low infection rates after 34,361 intramedullary nail operations in 55 low- and middle-income countries Validation of the Surgical Implant Generation Network (SIGN) Online Surgical Database. (external link)
- Kadar, Thomas; Hallan, Geir; Aamodt, Arild et al. (2011). A randomized study on migration of the Spectron EF and the Charnley flanged 40 cemented femoral components using radiostereometric analysis at 2 years. (external link)
- Schrama, Johannes Cornelis; Espehaug, Birgitte; Hallan, Geir et al. (2010). Risk of Revision for Infection in Primary Total Hip and Knee Arthroplasty in Patients With Rheumatoid Arthritis Compared With Osteoarthritis: A Prospective, Population-Based Study on 108,786 Hip and Knee Joint Arthroplasties From the Norwegian Arthroplasty Register. (external link)
- Hallan, Geir; Dybvik, Eva; Furnes, Ove et al. (2010). Metal-backed acetabular components with conventional polyethylene A REVIEW OF 9113 PRIMARY COMPONENTS WITH A FOLLOW-UP OF 20 YEARS. (external link)
- Dale, Håvard; Hallan, Geir; Espehaug, Birgitte et al. (2009). Increasing risk of revision due to deep infection after hip arthroplasty A study on 97,344 primary total hip replacements in the Norwegian Arthroplasty Register from 1987 to 2007. (external link)
- Lie, Stein Atle; Hallan, Geir; Engesæter, Lars B. et al. (2007). Liner replacement at revision surgery for uncemented primary acetabular cups.. (external link)
- Hallan, Geir; Furnes, Ove; Lie, Stein Atle et al. (2007). Medium and long-term performance of 11 516 uncemented primary femoral stems from the Norwegian arthroplasty register.. (external link)
- Lie, Stein Atle; Hallan, Geir; Furnes, Ove et al. (2007). Isolated acetabular liner exchange compared With Complete acetabular Component revision in revision of primary uncemented acetabular components: a study of 1649 revisions from the Norwegian arthroplasty register.. (external link)
- Hallan, Geir; Lie, Stein Atle; Havelin, Leif Ivar (2006). High wear rates and extensive osteolysis in 3 types of uncemented total hip arthroplasty - A review of the PCA, the Harris Galante and the profile/tri-lock plus arthroplasties with a minimum of 12 years median follow-up in 96 hips. (external link)
- Hallan, Geir; Aamodt, Arild; Furnes, Ove et al. (2006). Palamed G compared with Palacos R with gentamicin in Charnley total hip replacement. (external link)
Academic lecture
- Khan, Michelle; Lygre, Stein Håkon Låstad; Hallan, Geir et al. (2023). Bruk av blodtomhet ved totalprotese i kne- 3 års oppfølging (2018-2021) med data fra Nasjonalt register for leddproteser. (external link)
- Haarr, Elin; Fenstad, Anne Marie; Hallan, Geir et al. (2022). SIMULTAN SEKVENSIELL BILATERAL KNEPROTESE SAMMENLIKNET MED SEKVENSIELLE OG UNILATERALE PROSEDYRER I NASJONALT REGISTER. (external link)
- Greve Johannessen, Håkon; Kadar, Thomas; Hallan, Geir et al. (2021). Polyethylene wear in total hip arthroplasty; comparing Oxinium and CoCr femoral heads using radiostereometry with 10 years follow-up. (external link)
- Høl, Paul Johan; Hallan, Geir; Furnes, Ove Nord et al. (2020). Metallionenivåer i blod etter 10 år med hofteproteser med ulike hodematerialer. (external link)
- Høl, Paul Johan; Ellison, Peter John; Wolf, Susann et al. (2019). Mekanismer for aseptisk løsning av sementert Spectron EF hoftestamme med Reflection kopp - en retrievalstudie. (external link)
- Leta, Tesfaye Hordofa; Lygre, Stein Håkon Låstad; Høvding, Pål et al. (2018). Result of revision surgery for infected total knee arthroplasty. Do surgical strategies matter?. (external link)
- Leta, Tesfaye Hordofa; Lygre, Stein Håkon Låstad; Høvding, Pål et al. (2018). Revision of infected total knee arthroplasty: Do surgical strategies matter?. (external link)
- van Tol, Alexander Franciscus; Høl, Paul Johan; Hallan, Geir et al. (2016). Can clinical radiographs be used for large scale monitoring of polyethylene wear?. (external link)
- Leta, Tesfaye Hordofa; Lygre, Stein Håkon Låstad; Skredderstuen, Arne Kr et al. (2014). Revisjon av total kneprotese uten patellakomponent med kun innsetting av patellakomponent.. (external link)
- Petursson, Gunnar ; Gøthesen, Øystein; Fenstad, Anne Marie et al. (2014). Computernavigasjon vs konvensjonell teknikk ved kneprotesekirurgi. En prospektiv, randomisert, blindet RSA-studie. (external link)
- Kutzner, Ines; Høl, Paul Johan; Hallan, Geir et al. (2014). Early aseptic loosening of a mobile-bearing total knee replacement – a retrieval analysis. (external link)
- Kutzner, Ines; Høl, Paul Johan; Hallan, Geir et al. (2014). Early aseptic loosening of a mobile-bearing total knee replacement – A retrieval analysis. (external link)
- Grosse, Susann; Høl, Paul Johan; Haugland, Hans Kristian et al. (2013). Comparison of wear particle exposure and tissue reactions in patients with cemented and uncemented titanium hip prostheses that failed due to osteolysis. (external link)
- Fenstad, Anne Marie; Furnes, Ove; Hallan, Geir et al. (2013). Using the Norwegian arthroplasty register to generate a DNA biobank. (external link)
- Ellison, Peter; Høl, Paul Johan; Hallan, Geir et al. (2012). The Titan hip stem problem - a retrieval study. (external link)
- Ellison, Peter; Høl, Paul Johan; Hallan, Geir et al. (2011). Økt løsning av sementert Titan hofteprotese – En studie på uthentet materiale. (external link)
- Ellison, Peter; Høl, Paul Johan; Hallan, Geir et al. (2011). Et nasjonalt analysesenter for uthentetede ortopediske implantater. (external link)
- Gøthesen, Øystein Johannes; Espehaug, Birgitte; Lygre, Stein Håkon et al. (2011). Implantatoverlevelse og revisjonsårsaker ved primær ”mobile bearing”, ”fixed modular bearing” og ”fixed non-modular bearing” totalprotese i kne. En rapport fra Nasjonalt register for leddproteser. (external link)
- Kadar, Thomas; Havelin, Leif Ivar; Indrekvam, Kari et al. (2011). Betydningen av sementerte koppers inklinasjonsvinkel på plastslitasje og koppmigrasjon. En prospektiv randomisert studie. (external link)
- Kadar, Thomas; Hallan, Geir; Aamodt, Arild et al. (2010). A randomized study of the Spectron EF and the Charnley flanged 40 cemented femoral components. (external link)
Poster
- Greve Johannessen, Håkon; Kadar, Thomas; Hallan, Geir et al. (2022). Polyethylene Wear In Total Hip Arthroplasty; Comparing Oxinium And CoCr Femoral Heads Using Radiostereometry With 10 Years Follow-Up. (external link)
- Olsen, Aarid Liland; Strand, Liv Inger; Magnussen, Liv Heide et al. (2020). Patient Education and Basic Body Awareness Therapy versus Patient Education only in people with hip Osteoarthritis. A randomized controlled trial.. (external link)
- Kadar, Thomas; Hallan, Geir; Aamodt, Arild et al. (2011). A randomized study on migration of the Spectron EF and the Charnley flanged 40 cemented femoral components using radiostereometric analysis at 2 years. (external link)
- Kadar, Thomas; Hallan, Geir; Aamodt, Arild et al. (2010). Wear of highly cross-linked and conventional ultra-high molecular weight semented polyethylene cups with oxidized zirconium (Oxinium) or Cobalt Chrome femoral heads. A randomized study of 150 hips using radiostereometric analysis. (external link)
Feature article
Letter to the editor
- Lie, Stein Atle; Havelin, Leif Ivar; Fenstad, Anne Marie et al. (2014). Re: a statistical analysis of ankle prosthesis from the Norwegian Arthroplasty Register. (external link)
- Gjertsen, Jan-Erik; Lie, Stein Atle; Vinje, Tarjei et al. (2013). Authors' reply Cobb correspondence re: J-E. Gjertsen, S. A. Lie, T. Vinje, et al. More re-operations after uncemented than cemented hemiarthroplasty used in the treatment of displaced fractures of the femoral neck: An observational study of 11 116 hemiarthroplasties from a national register. J Bone Joint Surg [Br] 2012;94-B:1113-1119. (external link)