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Bilde av Joakimsen, Ragnar Martin
Bilde av Joakimsen, Ragnar Martin
Professor Klinihkalaš medisiinna instituhtta ragnar.joakimsen@uit.no 0047 95271300

Ragnar Martin Joakimsen

  • Tone Kristin Omsland, Lene Bergendal Solberg, Åshild Marit Bjørnerem, Tove Tveitan Borgen, Camilla Andreasen, Torbjørn Wisløff et al.:
    Validation of forearm fracture diagnoses in administrative patient registers
    Archives of Osteoporosis 24. Aug 2023 FULLTEKST / ARKIV / DOI
  • Claudia Kiessling, Noelle Junod Perron, Marc van Nuland, Maria Magdalena Bujnowska-Fedak, Geurt Essers, Ragnar Martin Joakimsen et al.:
    Does it make sense to use written instruments to assess communication skills? Systematic review on the concurrent and predictive value of written assessment for performance
    Patient Education and Counseling 2023 ARKIV / DOI
  • Noelle Junod Perron, Peter Pype, Marc van Nuland, Maria Magdalena Bujnowska-Fedak, Marcela Dohms, Geurt Essers et al.:
    What do we know about written assessment of health professionals’ communication skills? A scoping review
    Patient Education and Counseling 2021 ARKIV / DOI
  • Sofie Nordvåg, Marit Dahl Solbu, Toralf Melsom, Frida Igland Nissen, Camilla Andreasen, Tove Tveitan Borgen et al.:
    Estimated Glomerular Filtration Rate (eGFR) based on cystatin C was associated with increased risk of hip and proximal humerus fractures in women and decreased risk of hip fracture in men, whereas eGFR based on creatinine was not associated with fracture risk in both sexes: The Tromsø Study
    Bone 2021 ARKIV / DOI
  • Meghan Bradway, Elia Dolores Gabarron Hortal, Monika Alise Johansen, Paolo Zanaboni, Patricia Sofia Jacobsen Jardim, Ragnar Martin Joakimsen et al.:
    Methods and measures used to evaluate patient-operated mobile health interventions: Scoping literature review
    JMIR mhealth and uhealth 2020 ARKIV / DOI
  • Rolf Jorde, Astrid Kamilla Stunes, Julia Magdalena Kubiak, Ragnar Martin Joakimsen, Guri Grimnes, Per Medbøe Thorsby et al.:
    Effects of vitamin D supplementation on bone turnover markers and other bone-related substances in subjects with vitamin D deficiency
    Bone 2019 ARKIV / DOI
  • Thor Aspelund, Martin R. Grübler, Albert V. Smith, Elias F. Gudmundsson, Martin Keppel, Mary Frances Cotch et al.:
    Effect of genetically low 25-hydroxyvitamin D on mortality risk: Mendelian randomization analysis in 3 large european cohorts
    Nutrients 2019 ARKIV / DOI
  • Camilla Andreasen, Lene Bergendal Solberg, Trude Basso, Tove Tveitan Borgen, Cecilie Dahl, Torbjørn Wisløff et al.:
    Effect of a Fracture Liaison Service on the Rate of Subsequent Fracture Among Patients With a Fragility Fracture in the Norwegian Capture the Fracture Initiative (NoFRACT): A Trial Protocol
    JAMA Network Open 2018 ARKIV / DOI
  • Meghan Bradway, Gerit Pfuhl, Ragnar Martin Joakimsen, Lis Ribu, Astrid Grøttland, Eirik Årsand :
    Analysing mHealth usage logs in RCTs: Explaining participants’ interactions with type 2 diabetes self-management tools
    PLOS ONE 2018 ARKIV / DOI
  • Leva Martinaityte, Rolf Jorde, Nina Emaus, Anne Elise Eggen, Ragnar Martin Joakimsen, Elena Kamycheva :
    Bone mineral density is associated with Vitamin D related rs6013897 and estrogen receptor polymorphism rs4870044: The Tromsø study
    PLOS ONE 2017 ARKIV / DOI
  • Marit Osima, Tove Tveitan Borgen, Marko Lukic, Guri Grimnes, Ragnar Martin Joakimsen, Erik Fink Eriksen et al.:
    Serum parathyroid hormone is associated with increased cortical porosity of the inner transitional zone at the proximal femur in postmenopausal women: the Tromsø Study
    Osteoporosis International 14. Nov 2017 FULLTEKST / ARKIV / DOI
  • Martin Gaksch, Rolf Jorde, Guri Grimnes, Ragnar Martin Joakimsen, Henrik Schirmer, Tom Wilsgaard et al.:
    Vitamin D and mortality: Individual participant data meta-analysis of standardized 25-hydroxyvitamin D in 26916 individuals from a European consortium
    PLOS ONE 2017 ARKIV / DOI
  • Marit Osima, Rita Kral, Tove Tveitan Borgen, Ingvild Kristine Høgestøl, Ragnar Martin Joakimsen, Erik Fink Eriksen et al.:
    Women with type 2 diabetes mellitus have lower cortical porosity of the proximal femoral shaft using low-resolution CT than nondiabetic women, and increasing glucose is associated with reduced cortical porosity
    Bone 2017 FULLTEKST / ARKIV / DOI
  • Rolf Jorde, Stina Therese Sollid, Johan Svartberg, Ragnar Martin Joakimsen, Guri Grimnes, Moira Strand Hutchinson :
    Prevention of urinary tract infections with vitamin D supplementation 20,000 IU per week for five years. Results from an RCT including 511 subjects
    Infectious Diseases 2016 DOI
  • Rajesh Shigdel, Marit Osima, Marko Lukic, Luai Awad Ahmed, Ragnar Martin Joakimsen, Erik Fink Eriksen et al.:
    Determinants of Transitional Zone Area and Porosity of the Proximal Femur Quantified in Vivo in Postmenopausal Women
    Journal of Bone and Mineral Research 2016 DOI
  • Rolf Jorde, Stina Therese Sollid, Johan Svartberg, Henrik Schirmer, Ragnar Martin Joakimsen, Inger Njølstad et al.:
    Vitamin D 20 000 IU per week for five years does not prevent progression from prediabetes to diabetes
    Journal of Clinical Endocrinology and Metabolism (JCEM) 2016 DOI
  • Kristoffer Dahl, Luai Awad Ahmed, Ragnar Martin Joakimsen, Lone Jørgensen, Anne Elise Eggen, Erik Fink Eriksen et al.:
    High-sensitivity C-reactive protein is an independent risk factor for non-vertebral fractures in women and men: The Tromsø Study
    Bone 2015 DOI
  • Leva Zostautiene, Rolf Jorde, Henrik Schirmer, Ellisiv B. Mathiesen, Inger Njølstad, Maja-Lisa Løchen et al.:
    Genetic variations in the Vitamin D receptor predict type 2 diabetes and myocardial infarction in a community-based population: The tromsø study
    PLOS ONE 2015 ARKIV / DOI
  • Rajesh Shigdel, Marit Osima, Luai Awad Ahmed, Ragnar Martin Joakimsen, Erik Fink Eriksen, Roger Zebaze et al.:
    Bone turnover markers are associated with higher cortical porosity, thinner cortices, and larger size of the proximal femur and non-vertebral fractures
    Bone 2015 DOI
  • Stina Therese Sollid, Moira Strand Hutchinson, Ole-Martin Fuskevåg, Ragnar Martin Joakimsen, Rolf Jorde :
    Large Individual Differences in Serum 25-HydroxyVitamin D Response to Vitamin D Supplementation: Effects of Genetic Factors, Body Mass Index, and Baseline ConcentrationResults from a Randomized Controlled Trial
    Hormone and Metabolic Research 2015 DOI
  • Stein Olav Skrøvseth, Eirik Årsand, Fred Godtliebsen, Ragnar Martin Joakimsen :
    Data-driven personalized feedback to patients with Type 1 Diabetes: A randomized trial
    Diabetes Technology & Therapeutics 2015 DOI
  • Rolf Jorde, Henrik Schirmer, Tom Wilsgaard, Ellisiv B. Mathiesen, Inger Njølstad, Maja-Lisa Løchen et al.:
    The DBP Phenotype Gc-1f/Gc-1f is associated with reduced risk of cancer. The Tromsø Study
    PLOS ONE 2015 ARKIV / DOI
  • Luai Awad Ahmed, Rajesh Shigdel, Ragnar Martin Joakimsen, Odd Petter Eldevik, Erik Fink Eriksen, Ali Ghasem-Zadeh et al.:
    Measurement of cortical porosity of the proximal femur improves identification of women with nonvertebral fragility fractures
    Osteoporosis International 2015 ARKIV / DOI
  • Luai Awad Ahmed, Nguyen D. Nguyen, Åshild Bjørnerem, Ragnar Martin Joakimsen, Lone Jørgensen, Jan Størmer et al.:
    External validation of the garvan nomograms for predicting absolute fracture risk: The tromsø study
    PLOS ONE 2014 ARKIV / DOI
  • Stina Therese Sollid, Moira Strand Hutchinson, Ole-Martin Fuskevåg, Yngve Anton Figenschau, Ragnar Martin Joakimsen, Henrik Schirmer et al.:
    No effect of high-dose vitamin D supplementation on glycemic status or cardiovascular risk factors in subjects with prediabetes
    Diabetes Care 2014 DOI
  • Camilla Andreasen, Cecilie Dahl, Frede Frihagen, Tove Tveitan Borgen, Trude Basso, Jan-Erik Gjertsen et al.:
    Fracture Liaison Services and Subsequent Fracture Risk: a multicenter, pragmatic, Stepped-Wedge Cluster-Randomized controlled trial
    2023
  • Meghan Bradway, Alain Giordanengo, Ragnar Martin Joakimsen, Anne Helen Hansen, Astrid Grøttland, Gunnar Hartvigsen et al.:
    Measuring the effects of sharing mobile health data during diabetes consultations: Protocol for a mixed method study
    JMIR Research Protocols 2020 ARKIV / DOI
  • Guri Grimnes, Johan Svartberg, Ragnar Martin Joakimsen, Ina Beate Olsen, Gunnar Oltmanns, Eirik Kjus Aahlin et al.:
    Mann i 60-årene med tungpustethet og ødemer
    Tidsskrift for Den norske legeforening 08. Sep 2020 DOI
  • Erling Johan Aarsæther, Ragnar Martin Joakimsen, Hanne Halvorsen, Trude Sildnes, Olav Sivertsen, Jan jr. Due :
    Hoffmann`s syndrome necessitating forearm fasciotomy: a case report
    Journal of Medical Case Reports 2020 ARKIV / DOI
  • Meghan Bradway, Alain Giordanengo, Astrid Grøttland, Ragnar Martin Joakimsen, Gunnar Hartvigsen, Eirik Årsand :
    Stepwise treatment concept proposed for an m-health enabled diabetes intervention
    2018
  • Camilla Andreasen, Veronica G. Rogli, Jan Elvenes, Ragnar Martin Joakimsen, Tove Tveitan Borgen, Lene Bergendal Solberg et al.:
    Tromsoporosis - Secondary Fracture Prevention Program resulted in high adherence to anti-osteoporotic drugs in Tromsø, Norway
    2018
  • Camilla Andreasen, Veronica G. Rogli, Jan Elvenes, Ragnar Martin Joakimsen, Tove Tveitan Borgen, Lene Bergendal Solberg et al.:
    Tromsoporosis - Secondary Fracture Prevention Program resulted in improved adherence to anti-osteoporotic drugs in Tromsø, Norway
    2018
  • Camilla Andreasen, Veronica G. Rogli, Jan Elvenes, Ragnar Martin Joakimsen, Tove Tveitan Borgen, Lene Bergendal Solberg et al.:
    Tromsoporosis - Secondary Fracture Prevention Program resulted in high adherence to anti-osteoporotic drugs in Tromsø, Norway
    2018
  • Meghan Bradway, Alain Giordanengo, Astrid Grøttland, Ragnar Martin Joakimsen, Gunnar Hartvigsen, Eirik Årsand :
    Stepwise treatment concept proposed for an m-health enabled diabetes intervention
    Diabetes Technology & Therapeutics 2018
  • Marit Osima, Tove Tveitan Borgen, Marko Lukic, Guri Grimnes, Ragnar Martin Joakimsen, Erik Fink Eriksen et al.:
    Serum parathyroid hormone is associated with increased cortical porosity of the inner transitional zone at the proximal femur in postmenopausal women: The Tromsø Study
    2017
  • Meghan Bradway, Anna Holubová, Ragnar Martin Joakimsen, Eirik Årsand :
    DIFFERENTIATING PRESENTATION OF PATIENT-GATHERED DATA BETWEEN TYPE 1 AND 2 DIABETES DURING CONSULTATIONS
    Diabetes Technology & Therapeutics 15. Feb 2017 DOI
  • Meghan Bradway, Anna Holubova, Ragnar Martin Joakimsen, Eirik Årsand :
    DIFFERENTIATING PRESENTATION OF PATIENT-GATHERED DATA BETWEEN TYPE 1 AND 2 DIABETES DURING CONSULTATIONS
    2017 SAMMENDRAG
  • Camilla Andreasen, Marit Osima, Veronica Rognli, Dag Grundel, Jan Elvenes, Gunnar Knutsen et al.:
    Tromsoporosis - Adherence to a Secondary Fracture Prevention Program in Tromsø, Norway
    2017
  • Marit Osima, Rita Kral, Ragnar Martin Joakimsen, Erik Fink Eriksen, Åshild Bjørnerem :
    Women with Type 2 Diabetes Have Lower Cortical Porosity than Women without Diabetes, and Higher Glucose is Associated with Reduced Cortical Porosity
    2016
  • Meghan Bradway, Ragnar Martin Joakimsen, Astrid Grøttland, Eirik Årsand :
    The potential use of patient-gathered data from mHealth tools: suggestions based on an RCT-study
    International Journal of Integrated Care (IJIC) 09. Nov 2016 DOI
  • Meghan Bradway, Ragnar Martin Joakimsen, Astrid Grøttland, Eirik Årsand :
    The potential use of patient-gathered data from mHealth tools: suggestions based on an RCT-study
    2016
  • Meghan Bradway, Astrid Grøttland, Gunnar Hartvigsen, Håvard Kvalvåg Blixgård, Ragnar Martin Joakimsen, Eirik Årsand :
    mHealth data-sharing system to improve communication during consultations: Type 1 diabetes patients’ perspective during the FI-STAR study
    2016
  • Ieva Martinaityte, Rolf Jorde, Henrik Schirmer, Ellisiv B. Mathiesen, Inger Njølstad, Maja-Lisa Løchen et al.:
    Correction: Genetic Variations in the Vitamin D Receptor Predict Type 2 Diabetes and Myocardial Infarction in a Community-Based Population: The Tromsø Study
    PLOS ONE 2016 DOI
  • Meghan Bradway, Astrid Grøttland, Gunnar Hartvigsen, Håvard Kvalvåg Blixgård, Ragnar Martin Joakimsen, Eirik Årsand :
    mHealth data-sharing system to improve communication during consultations: Type 1 diabetes patients’ perspective during the FI-STAR study
    International Journal of Integrated Care (IJIC) 2016 DOI
  • Marit Osima, Ragnar Martin Joakimsen, Erik Fink Eriksen, Åshild Bjørnerem :
    Why Are Additional Women with Fracture Identified by Measurement of Cortical Porosity than Identified by FRAX?
    2015
  • Marit Osima, Gunnar Knutsen, Jan Elvenes, Ragnar Martin Joakimsen, Åshild Bjørnerem :
    Et nasjonalt løft for bruddpasienter!
    2015
  • Marit Osima, Ragnar Martin Joakimsen, Erik Fink Eriksen, Åshild Bjørnerem :
    Combining measurement of cortical porosity at the proximal femur with FRAX improves the sensitivity and maintains high specificity for fracture
    2015
  • Marit Osima, Gunnar Knutsen, Jan Elvenes, Ragnar Martin Joakimsen, Åshild Bjørnerem :
    Eldre med beinbrudd skal få spesialhjelp (NoFRACT).
    2015
  • Marit Osima, Gunnar Knutsen, Jan Elvenes, Ragnar Martin Joakimsen, Åshild Bjørnerem :
    Skal avdekke benskjørhet hos eldre.
    2015
  • Stein Olav Skrøvseth, Eirik Årsand, Niklas Andersson, Daniel Hallgren, Håvard Kvalvåg Blixgård, Ragnhild Varmedal et al.:
    Utilizing data gathered through mobile apps for self-management of type 1 diabetes
    2014

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