Bilde av Joakimsen, Ragnar Martin
Bilde av Joakimsen, Ragnar Martin
Institutt for klinisk medisin ragnar.joakimsen@uit.no 0047 95271300 Tromsø

Ragnar Martin Joakimsen


Professor II


  • Noelle Junod Perron, Peter Pype, Marc van Nuland, Maria Magdalena Bujnowska-Fedak, Marcela Dohms, Geurt Essers m.fl.:
    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 m.fl.:
    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 m.fl.:
    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 m.fl.:
    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 m.fl.:
    Effect of genetically low 25-hydroxyvitamin D on mortality risk: Mendelian randomization analysis in 3 large european cohorts
    Nutrients 2019 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
  • Camilla Andreasen, Lene Bergendal Solberg, Trude Basso, Tove Tveitan Borgen, Cecilie Dahl, Torbjørn Wisløff m.fl.:
    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
  • Marit Osima, Tove Tveitan Borgen, Marko Lukic, Guri Grimnes, Ragnar Martin Joakimsen, Erik Fink Eriksen m.fl.:
    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. november 2017 FULLTEKST / ARKIV / DOI
  • Martin Gaksch, Rolf Jorde, Guri Grimnes, Ragnar Martin Joakimsen, Henrik Schirmer, Tom Wilsgaard m.fl.:
    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
  • 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, Rita Kral, Tove Tveitan Borgen, Ingvild Kristine Høgestøl, Ragnar Martin Joakimsen, Erik Fink Eriksen m.fl.:
    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 m.fl.:
    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 m.fl.:
    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
  • Leva Zostautiene, Rolf Jorde, Henrik Schirmer, Ellisiv B. Mathiesen, Inger Njølstad, Maja-Lisa Løchen m.fl.:
    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
  • Rolf Jorde, Henrik Schirmer, Tom Wilsgaard, Ellisiv B. Mathiesen, Inger Njølstad, Maja-Lisa Løchen m.fl.:
    The DBP Phenotype Gc-1f/Gc-1f is associated with reduced risk of cancer. The Tromsø Study
    PLOS ONE 2015 ARKIV / DOI
  • Kristoffer Dahl, Luai Awad Ahmed, Ragnar Martin Joakimsen, Lone Jørgensen, Anne Elise Eggen, Erik Fink Eriksen m.fl.:
    High-sensitivity C-reactive protein is an independent risk factor for non-vertebral fractures in women and men: The Tromsø Study
    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
  • Luai Awad Ahmed, Rajesh Shigdel, Ragnar Martin Joakimsen, Odd Petter Eldevik, Erik Fink Eriksen, Ali Ghasem-Zadeh m.fl.:
    Measurement of cortical porosity of the proximal femur improves identification of women with nonvertebral fragility fractures
    Osteoporosis International 2015 ARKIV / 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
  • Rajesh Shigdel, Marit Osima, Luai Awad Ahmed, Ragnar Martin Joakimsen, Erik Fink Eriksen, Roger Zebaze m.fl.:
    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, Yngve Anton Figenschau, Ragnar Martin Joakimsen, Henrik Schirmer m.fl.:
    No effect of high-dose vitamin D supplementation on glycemic status or cardiovascular risk factors in subjects with prediabetes
    Diabetes Care 2014 DOI
  • Luai Awad Ahmed, Nguyen D. Nguyen, Åshild Bjørnerem, Ragnar Martin Joakimsen, Lone Jørgensen, Jan Størmer m.fl.:
    External validation of the garvan nomograms for predicting absolute fracture risk: The tromsø study
    PLOS ONE 2014 ARKIV / DOI
  • Rolf Jorde, Henrik Schirmer, Tom Wilsgaard, Ragnar Martin Joakimsen, Ellisiv B. Mathiesen, Inger Njølstad m.fl.:
    The phosphodiesterase 8B Gene rs4704397 is associated with thyroid function, risk of myocardial infarction, and body height: The Tromsø study
    Thyroid 2014 ARKIV / DOI
  • Allan Didriksen, Guri Grimnes, Moira Strand Hutchinson, Marie Kjærgaard, Johan Svartberg, Ragnar Martin Joakimsen m.fl.:
    The serum 25-hydroxyvitamin D response to vitamin D supplementation is related to genetic factors, BMI, and baseline levels
    European Journal of Endocrinology (EJE) 2013 DOI
  • Guri Grimnes, Johan Svartberg, Ragnar Martin Joakimsen, Ina Beate Olsen, Gunnar Oltmanns, Eirik Kjus Aahlin m.fl.:
    Mann i 60-årene med tungpustethet og ødemer
    Tidsskrift for Den norske legeforening 08. september 2020 DOI
  • Meghan Bradway, Alain Giordanengo, Ragnar Martin Joakimsen, Anne Helen Hansen, Astrid Grøttland, Gunnar Hartvigsen m.fl.:
    Measuring the effects of sharing mobile health data during diabetes consultations: Protocol for a mixed method study
    JMIR Research Protocols 2020 ARKIV / 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
  • 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
  • Camilla Andreasen, Veronica G. Rogli, Jan Elvenes, Ragnar Martin Joakimsen, Tove Tveitan Borgen, Lene Bergendal Solberg m.fl.:
    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 m.fl.:
    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 m.fl.:
    Tromsoporosis - Secondary Fracture Prevention Program resulted in high adherence to anti-osteoporotic drugs in Tromsø, Norway
    2018
  • Camilla Andreasen, Marit Osima, Veronica Rognli, Dag Grundel, Jan Elvenes, Gunnar Knutsen m.fl.:
    Tromsoporosis - Adherence to a Secondary Fracture Prevention Program in Tromsø, Norway
    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. februar 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
  • Marit Osima, Tove Tveitan Borgen, Marko Lukic, Guri Grimnes, Ragnar Martin Joakimsen, Erik Fink Eriksen m.fl.:
    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, 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. november 2016 DOI
  • Ieva Martinaityte, Rolf Jorde, Henrik Schirmer, Ellisiv B. Mathiesen, Inger Njølstad, Maja-Lisa Løchen m.fl.:
    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
  • 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
    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
  • 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, 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
  • Marit Osima, Gunnar Knutsen, Jan Elvenes, Ragnar Martin Joakimsen, Åshild Bjørnerem :
    Et nasjonalt løft for bruddpasienter!
    2015
  • Stein Olav Skrøvseth, Eirik Årsand, Niklas Andersson, Daniel Hallgren, Håvard Kvalvåg Blixgård, Ragnhild Varmedal m.fl.:
    Utilizing data gathered through mobile apps for self-management of type 1 diabetes
    2014
  • Eirik Årsand, Stein Olav Skrøvseth, Ragnar Martin Joakimsen, Gunnar Hartvigsen :
    Design of an Advanced Mobile Diabetes Diary Based on a Prospective 6-month Study Involving People with Type 1 Diabetes
    2013

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    Forskningsinteresser

    Osteoporose, diabetes, medisinsk utdanning





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