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List of works by Geir Hallan

A randomized study on migration of the Spectron EF and the Charnley flanged 40 cemented femoral components using radiostereometric analysis at 2 years

scientific article published on 6 September 2011

A survivorship study of 838 total elbow replacements: a report from the Norwegian Arthroplasty Register 1994-2016.

scientific article published in February 2018

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 h

scientific article published in June 2013

Bacterial and Hematological Findings in Infected Total Hip Arthroplasties in Norway Assessment of 278 Revisions Due to Infection in the Norwegian Arthroplasty Register

scientific article

Bacterial findings in infected hip joint replacements in patients with rheumatoid arthritis and osteoarthritis: a study of 318 revisions for infection reported to the norwegian arthroplasty register

scientific article

Complications after intramedullary nailing of femoral fractures in a low-income country

scientific article published on 31 October 2013

Computer-Assisted Compared with Conventional Total Knee Replacement: A Multicenter Parallel-Group Randomized Controlled Trial

scientific article published on 01 August 2018

Coordinating retrieval and register studies improves postmarket surveillance

scientific article

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).

scientific article published on 9 August 2017

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

scientific article published on 01 January 2019

Early aseptic loosening of a mobile-bearing total knee replacement

scientific article published on 6 November 2017

Erratum to: The 2018 Otto Aufranc Award: How Does Genome-wide Variation Affect Osteolysis Risk After THA?

scientific article published on 01 March 2019

Failure of aseptic revision total knee arthroplasties

scientific article

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

scientific article published on 30 October 2019

Functional outcome and alignment in computer-assisted and conventionally operated total knee replacements: a multicentre parallel-group randomised controlled trial.

scientific article published in May 2014

Head Material Influences Survival of a Cemented Total Hip Prosthesis in the Norwegian Arthroplasty Register ⬇️

scientific article published on November 1, 2012

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

scientific article published on August 2006

Hoftelidelser hos barn og unge – utredning og behandling av senfølger

scientific article published on 23 November 2020

Hydroxyapatite coating does not improve uncemented stem survival after total hip arthroplasty!

scientific article

Impact of hip arthroplasty registers on orthopaedic practice and perspectives for the future

scientific article published on 03 June 2019

Increased risk of revision for infection in rheumatoid arthritis patients with total hip replacements

scientific article published on 17 March 2015

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.

scientific article

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

scientific article published on 24 November 2020

Increasing risk of prosthetic joint infection after total hip arthroplasty.

scientific article

Increasing risk of revision due to deep infection after hip arthroplasty

scientific article

Is it feasible to merge data from national shoulder registries? A new collaboration within the Nordic Arthroplasty Register Association

scientific article

Is reverse hybrid hip replacement the solution? ⬇️

scientific article published on October 17, 2011

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?

scientific article published on 14 April 2020

Is there a weekend effect after hip fracture surgery? A study of 74,410 hip fractures reported to the Norwegian Hip Fracture Register

scientific article published on 30 October 2019

Is there still a place for the cemented titanium femoral stem? 10,108 cases from the Norwegian Arthroplasty Register

scientific article

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

scientific article published in May 2007

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

scientific article published on 9 November 2011

Medium- and long-term performance of 11,516 uncemented primary femoral stems from the Norwegian arthroplasty register

scientific article published in December 2007

Metal-backed acetabular components with conventional polyethylene: a review of 9113 primary components with a follow-up of 20 years

scientific article published on February 2010

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

scientific article published on August 1, 2012

No Increase in Survival for 36-mm versus 32-mm Femoral Heads in Metal-on-polyethylene THA: A Registry Study

scientific article published on 01 December 2018

Operating room ventilation and the risk of revision due to infection after total hip arthroplasty: assessment of validated data in the Norwegian Arthroplasty Register

scientific article published on 11 April 2020

Operating room ventilation-Validation of reported data on 108 067 primary total hip arthroplasties in the Norwegian Arthroplasty Register

scientific article published on 09 October 2019

Operative approach influences functional outcome after DAIR for infected total hip arthroplasty

scientific article published on 01 December 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

scientific article published on 23 July 2020

Outcome of Revision Surgery for Infection After Total Knee Arthroplasty: Results of 3 Surgical Strategies

scientific article published on 11 June 2019

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).

scientific article

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

scientific article published in November 2015

Palamed G compared with Palacos R with gentamicin in Charnley total hip replacement. A randomised, radiostereometric study of 60 HIPS.

scientific article published in September 2006

Perioperative, short-, and long-term mortality related to fixation in primary total hip arthroplasty: a study on 79,557 patients in the -Norwegian Arthroplasty Register

scientific article published on 13 December 2019

Prevalence, causes and impact of musculoskeletal impairment in Malawi: A national cluster randomized survey

scientific article published on 06 January 2021

Re: a statistical analysis of ankle prosthesis from the Norwegian Arthroplasty Register

scientific article published on 26 November 2014

Reduced Revision Risk for Dual-Mobility Cup in Total Hip Replacement Due to Hip Fracture: A Matched-Pair Analysis of 9,040 Cases from the Nordic Arthroplasty Register Association (NARA)

scientific article published on 01 July 2019

Reverse hybrid total hip arthroplasty ⬇️

scientific article

Risk Factors for Infection after 46,113 Intramedullary Nail Operations in Low‐ and Middle‐income Countries ⬇️

scientific article published on February 1, 2013

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 Arthr

scientific article published in April 2010

Secondary patella resurfacing in painful non-resurfaced total knee arthroplasties : A study of survival and clinical outcome from the Norwegian Arthroplasty Register (1994-2011).

scientific article published on 23 October 2015

Similar migration in computer-assisted and conventional total knee arthroplasty

scientific article published on 20 December 2016

Surgical procedures in the treatment of 784 infected THAs reported to the Norwegian Arthroplasty Register ⬇️

scientific article published on October 1, 2011

Survival rates and causes of revision in cemented primary total knee replacement: a report from the Norwegian Arthroplasty Register 1994-2009

scientific article published on 01 May 2013

The 2018 Otto Aufranc Award: How Does Genome-wide Variation Affect Osteolysis Risk After THA?

scientific article published on 01 February 2019

The benefits of collaboration: the Nordic Arthroplasty Register Association

scientific article published on 03 June 2019

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

scientific article published in March 2012

The results of 479 thumb carpometacarpal joint replacements reported in the Norwegian Arthroplasty Register

scientific article published on 30 April 2014

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

scientific article published on 10 November 2020

Validation and reliability of the Chichewa translation of the EQ-5D quality of life questionnaire in adults with orthopaedic injuries in Malawi.

scientific article published on June 2017

Validation of Chichewa Short Musculoskeletal Function Assessment (SMFA) questionnaire: A cross-sectional study

Varying but reduced use of postoperative mobilization restrictions after primary total hip arthroplasty in Nordic countries: a questionnaire-based study

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

scientific article published on 25 February 2011

Wear particles and ions from cemented and uncemented titanium-based hip prostheses-a histological and chemical analysis of retrieval material

scientific article published on 23 July 2014

What Is the Frequency of Fracture of Ceramic Components in THA? Results from the Norwegian Arthroplasty Register from 1997 to 2017

scientific article published on 22 April 2020

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