Opin vísindi

Fletta eftir höfundi "Jonsson, Helgi"

Fletta eftir höfundi "Jonsson, Helgi"

Röðun: Raða: Niðurstöður:

  • Icon
    Age related prevalence of hand osteoarthritis diagnosed by photography (HOASCORE) 
    Jonsson, Helgi (Springer Nature, 2017-12)
    Background: Hand photography has been used in a number of studies to determine the presence and severity of hand osteoarthritis (HOA). The aim of this study was to present age and gender specific prevalences of HOA diagnosed by this method. Methods: ...
  • Icon
    GWAS of bone size yields twelve loci that also affect height, BMD, osteoarthritis or fractures 
    Styrkarsdottir, Unnur; Stefansson, Olafur A.; Gunnarsdottir, Kristbjorg; Thorleifsson, Gudmar; Lund, Sigrún Helga; Stefansdottir, Lilja; Juliusson, Kristinn; Ágústsdóttir, Arna B.; Zink, Florian; Halldorsson, Gisli; Ivarsdottir, Erna V.; Benonisdottir, Stefania; Jonsson, Hakon; Gylfason, Arnaldur; Norland, Kristjan; Trajanoska, Katerina; Boer, Cindy G.; Southam, Lorraine; Leung, Jason C. S.; Tang, Nelson L. S.; Kwok, Timothy C. Y.; Lee, Jenny S. W.; Ho, Suzanne C.; Byrjalsen, Inger; Center, Jacqueline R.; Lee, Seung Hun; Koh, Jung-Min; Lohmander, L. Stefan; Ho-Pham, Lan T.; Nguyen, Tuan V.; Eisman, John A.; Woo, Jean; Leung, Ping-C.; Loughlin, John; Zeggini, Eleftheria; Christiansen, Claus; Rivadeneira, Fernando; van Meurs, Joyce; Uitterlinden, Andre G.; Mogensen, Brynjólfur; Jonsson, Helgi; Ingvarsson, Þorvaldur; Sigurdsson, Gunnar; Benediktsson, Rafn; sulem, patrick; Jonsdottir, Ingileif; Másson, Gísli; Holm, Hilma; Norddahl, Gudmundur L.; Thorsteinsdottir, Unnur; Gudbjartsson, Daniel; Stefansson, Kari (Springer Science and Business Media LLC, 2019-05-03)
    Bone area is one measure of bone size that is easily derived from dual-energy X-ray absorptiometry (DXA) scans. In a GWA study of DXA bone area of the hip and lumbar spine (N ≥ 28,954), we find thirteen independent association signals at twelve loci ...
  • Icon
    Hyperuricemia is associated with intermittent hand joint pain in a cross sectional study of elderly females: The AGES-Reykjavik Study 
    Jonsson, Helgi; Aspelund, Thor; Eiriksdottir, Gudny; Harris, Tamara B.; Launer, Lenore J.; Gudnason, Vilmundur (Public Library of Science (PLoS), 2019-08-23)
    Background: The debate whether "asymptomatic hyperuricemia" should be treated is still ongoing. The objective of this cross-sectional study was to analyze whether hyperuricema in the elderly is associated with joint pain. Methods and findings: Participants ...
  • Icon
    Longitudinal validity of using digital hand photographs for assessing hand osteoarthritis progression over 7 years in community-dwelling older adults with hand pain 
    Marshall, Michelle; Jonsson, Helgi; Helgadottir, Gudrun P.; Nicholls, Elaine; Myers, Helen; Jansen, Victoria; van der Windt, Danielle (Springer Science and Business Media LLC, 2019-10-27)
    Background: To determine the longitudinal construct validity of assessing hand OA progression on digital photographs over 7 years compared with progression determined from radiographs, clinical features and change in symptoms. Methods: Participants ...
  • Icon
    Quantitative 3D imaging parameters improve prediction of hip osteoarthritis outcome 
    Turmezei, Thomas; Treece, Graham; Gee, A. H.; Sigurðsson, Sigurður; Jonsson, Helgi; Aspelund, Thor; Gudnason, Vilmundur; Poole, Kenneth E.S. (Springer Science and Business Media LLC, 2020-03-05)
    Osteoarthritis is an increasingly important health problem for which the main treatment remains joint replacement. Therapy developments have been hampered by a lack of biomarkers that can reliably predict disease, while 2D radiographs interpreted by ...