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Department of Clinical Medicine didrik.kjonas@uit.no

Didrik Kjønås



  • Assami Rösner, Rolf Busund, Didrik Kjønås, Martin Petter Høydahl :
    Transcatheter aortic valve implantation (from inception to standard treatment): a single-center observational study
    Frontiers in Cardiovascular Medicine 2024 ARKIV / DOI
  • Niels A. Stens, Odette van Iersel, Max J.P. Rooijakkers, Marleen H. van Wely, Robin Nijveldt, Esmée A. Bakker et al.:
    Prognostic Value of Preprocedural LV Global Longitudinal Strain for Post-TAVR-Related Morbidity and Mortality: A Meta-Analysis
    JACC Cardiovascular Imaging 2023 DOI
  • Mads Vikhammer Gran, Didrik Kjønås, U. Gunnarsson, K. Strigård, Arthur Revhaug, Eirik Kjus Aahlin :
    Antibiotic treatment for appendicitis in Norway and Sweden: a nationwide survey on treatment practices
    BMC Surgery 2022 ARKIV / DOI
  • Assami Røsner, Martino Alessandrini, Didrik Kjønås, Oana Mirea, Sandro Queiros, Jan D`hooge :
    Quality Assurance of Segmental Strain Values Provided by Commercial 2-D Speckle Tracking Echocardiography Using in Silico Models: A Report from the EACVI-ASE Strain Standardization Task Force
    Ultrasound in Medicine and Biology 2021 DOI
  • Akay Caglayan Hatice, Didrik Kjønås, Siri Malm, Henrik Schirmer, Assami Røsner :
    Echocardiographic assessment of diastolic dysfunction in elderly patients with severe aortic stenosis before and after aortic valve replacement
    Cardiovascular Ultrasound 28. September 2021 ARKIV / DOI
  • Didrik Kjønås, Gry Dahle, Henrik Schirmer, Siri Malm, Jo Eidet, Lars Aaberge et al.:
    Risk scores for prediction of 30-day mortality after transcatheter aortic valve implantation: Results from a two-center study in Norway
    Health Science Reports 06. May 2021 ARKIV / DOI
  • Didrik Kjønås, Henrik Schirmer, Svend Aakhus, Jo Eidet, Siri Malm, Lars Aaberge et al.:
    Clinical and Echocardiographic Parameters Predicting 1- and 2-Year Mortality After Transcatheter Aortic Valve Implantation
    Frontiers in Cardiovascular Medicine 06. December 2021 ARKIV / DOI
  • Didrik Kjønås, Gry Dahle, Henrik Schirmer, Siri Malm, Jo Eidet, Lars Aaberge et al.:
    Predictors of early mortality after transcatheter aortic valve implantation
    Open heart 2019 ARKIV / DOI
  • Assami Røsner, Daniel Barbosa, Erling Johan Aarsæther, Didrik Kjønås, Henrik Schirmer, Jan D'Hooge :
    The influence of frame rate on two-dimensional speckle-tracking strain measurements: a study on silico-simulated models and images recorded in patients
    European Heart Journal-Cardiovascular Imaging 2015 DOI

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