Works by Johansen, Niklas Dyrby

Results: 37
    1

    Cardiac Characteristics of the First Two Waves of COVID-19 in Denmark and the Prognostic Value of Echocardiography: The ECHOVID-19 Study.

    Published in:
    Cardiology, 2023, v. 148, n. 1, p. 48, doi. 10.1159/000528308
    By:
    • Christensen, Jacob;
    • Davidoski, Filip Søskov;
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Alhakak, Alia Sead;
    • Sengeløv, Morten;
    • Nielsen, Anne Bjerg;
    • Johansen, Niklas Dyrby;
    • Bundgaard, Henning;
    • Hassager, Christian;
    • Jabbari, Reza;
    • Carlsen, Jørn;
    • Kirk, Ole;
    • Kristiansen, Ole Peter;
    • Nielsen, Olav Wendelboe;
    • Ulrik, Charlotte Suppli;
    • Sivapalan, Pradeesh;
    • Gislason, Gunnar;
    • Iversen, Kasper;
    • Jensen, Jens Ulrik Stæhr
    Publication type:
    Article
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    4

    Effects of high‐dose versus standard‐dose quadrivalent influenza vaccine among patients with diabetes: A post‐hoc analysis of the DANFLU‐1 trial.

    Published in:
    Diabetes, Obesity & Metabolism, 2024, v. 26, n. 5, p. 1821, doi. 10.1111/dom.15498
    By:
    • Lassen, Mats C. Højbjerg;
    • Johansen, Niklas Dyrby;
    • Modin, Daniel;
    • Nealon, Joshua;
    • Samson, Sandrine;
    • Dufournet, Marine;
    • Loiacono, Matthew M.;
    • Larsen, Carsten Schade;
    • Jensen, Anne Marie Reimer;
    • Landler, Nino Emanuel;
    • Claggett, Brian L.;
    • Solomon, Scott D.;
    • Landray, Martin J.;
    • Gislason, Gunnar H.;
    • Køber, Lars;
    • Jensen, Jens Ulrik Stæhr;
    • Sivapalan, Pradeesh;
    • Vestergaard, Lasse Skafte;
    • Krause, Tyra Grove;
    • Biering‐Sørensen, Tor
    Publication type:
    Article
    5
    6

    Serial troponin-I and long-term outcomes in subjects with suspected acute coronary syndrome.

    Published in:
    European Journal of Preventive Cardiology, 2024, v. 31, n. 5, p. 615, doi. 10.1093/eurjpc/zwad373
    By:
    • Pareek, Manan;
    • Kristensen, Anna Meta Dyrvig;
    • Vaduganathan, Muthiah;
    • Byrne, Christina;
    • Biering-Sørensen, Tor;
    • Lassen, Mats Christian Højbjerg;
    • Johansen, Niklas Dyrby;
    • Skaarup, Kristoffer Grundtvig;
    • Rosberg, Victoria;
    • Pallisgaard, Jannik L;
    • Mortensen, Martin Bødtker;
    • Maeng, Michael;
    • Polcwiartek, Christoffer B;
    • Frangeskos, Julia;
    • McCarthy, Cian P;
    • Bonde, Anders Nissen;
    • Lee, Christina Ji-Young;
    • Fosbøl, Emil L;
    • Køber, Lars;
    • Olsen, Niels Thue
    Publication type:
    Article
    7

    Clinical Outcomes With Electronic Nudges to Increase Influenza Vaccination: A Prespecified Analysis of a Nationwide, Pragmatic, Registry-Based, Randomized Implementation Trial.

    Published in:
    Annals of Internal Medicine, 2024, v. 177, n. 4, p. 476, doi. 10.7326/M23-2638
    By:
    • Johansen, Niklas Dyrby;
    • Vaduganathan, Muthiah;
    • Bhatt, Ankeet S.;
    • Lee, Simin Gharib;
    • Modin, Daniel;
    • Claggett, Brian L.;
    • Dueger, Erica L.;
    • Samson, Sandrine;
    • Loiacono, Matthew M.;
    • Harris, Rebecca C.;
    • Køber, Lars;
    • Solomon, Scott D.;
    • Sivapalan, Pradeesh;
    • Jensen, Jens Ulrik Stæhr;
    • Martel, Cyril Jean-Marie;
    • Krause, Tyra Grove;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    8

    Low Vitamin K Status and Risk of Chronic Obstructive Pulmonary Disease.

    Published in:
    Biomedicines, 2025, v. 13, n. 4, p. 807, doi. 10.3390/biomedicines13040807
    By:
    • Ackermann, Daniel Alexander;
    • Linneberg, Allan;
    • Rastoder, Ema;
    • Vognsen, Anna Kubel;
    • Bjerregaard, Anne Ahrendt;
    • Friis-Hansen, Lennart;
    • Jørgensen, Niklas Rye;
    • Hedsund, Caroline Emma;
    • Johansen, Niklas Dyrby;
    • Modin, Daniel;
    • Dons, Maria;
    • Højbjerg Lassen, Mats C.;
    • Grundtvig Skaarup, Kristoffer;
    • Vesterlev, Ditte;
    • Moberg, Mia;
    • Janner, Julie;
    • Eklöf, Josefin;
    • Pedersen, Lars;
    • Bendstrup, Elisabeth;
    • Laursen, Christian B.
    Publication type:
    Article
    9

    Lung Ultrasound Findings Associated With COVID-19 ARDS, ICU Admission, and All-Cause Mortality.

    Published in:
    Respiratory Care, 2022, v. 67, n. 1, p. 66, doi. 10.4187/respcare.09108
    By:
    • Espersen, Caroline;
    • Platz, Elke;
    • Grundtvig Skaarup, Kristoffer;
    • Højbjerg Lassen, Mats Christian;
    • Nørgaard Lind, Jannie;
    • Dyrby Johansen, Niklas;
    • Sengeløv, Morten;
    • Alhakak, Alia Saed;
    • Bjerg Nielsen, Anne;
    • Bundgaard, Henning;
    • Hassager, Christian;
    • Jabbari, Reza;
    • Carlsen, Jørn;
    • Kirk, Ole;
    • Greve Lindholm, Matias;
    • Kristiansen, Ole Peter;
    • Wendelboe Nielsen, Olav;
    • Nielsen Jeschke, Klaus;
    • Suppli Ulrik, Charlotte;
    • Sivapalan, Pradeesh
    Publication type:
    Article
    10
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    Cardiac Characteristics of Hospitalized Influenza Patients: An Interim Analysis From the FluHeart Study.

    Published in:
    Influenza & Other Respiratory Viruses, 2025, v. 19, n. 2, p. 1, doi. 10.1111/irv.70067
    By:
    • Skaarup, Kristoffer Grundtvig;
    • Davidovski, Filip Soeskov;
    • Durukan, Emil;
    • Modin, Daniel;
    • Lassen, Mats Christian Højbjerg;
    • Dons, Maria;
    • Jensen, Anne Marie Reimer;
    • Johansen, Niklas Dyrby;
    • Sengeløv, Morten;
    • Vyff, Frederikke;
    • Landler, Nino Emanuel;
    • Jensen, Gorm Boje;
    • Nielsen, Anne Bjerg;
    • Christensen, Jacob;
    • Hauser, Raphael;
    • Schnohr, Peter;
    • Møgelvang, Rasmus;
    • Nielsen, Lene;
    • Jensen, Jens‐Ulrik Stæhr;
    • Biering‐Sørensen, Tor
    Publication type:
    Article
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    Normal values for left atrial strain, volume, and function derived from 3D echocardiography: the Copenhagen City Heart Study.

    Published in:
    European Heart Journal - Cardiovascular Imaging, 2024, v. 25, n. 5, p. 602, doi. 10.1093/ehjci/jeae018
    By:
    • Yafasov, Marat;
    • Olsen, Flemming Javier;
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Johansen, Niklas Dyrby;
    • Lindgren, Filip Lyng;
    • Jensen, Gorm Boje;
    • Schnohr, Peter;
    • Møgelvang, Rasmus;
    • Søgaard, Peter;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    17
    18

    Association between myocardial work indices and cardiovascular events according to hypertension in the general population.

    Published in:
    European Heart Journal - Cardiovascular Imaging, 2024, v. 25, n. 3, p. 413, doi. 10.1093/ehjci/jead292
    By:
    • Olsen, Flemming Javier;
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Johansen, Niklas Dyrby;
    • Jensen, Gorm Boje;
    • Schnohr, Peter;
    • Marott, Jacob Louis;
    • Søgaard, Peter;
    • Gislason, Gunnar;
    • Svendsen, Jesper Hastrup;
    • Møgelvang, Rasmus;
    • Aalen, John Moene;
    • Smiseth, Otto Armin;
    • Remme, Espen Wattenberg;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    19
    20

    Link between myocardial deformation phenotyping using longitudinal and circumferential strain and risk of incident heart failure and cardiovascular death.

    Published in:
    European Heart Journal - Cardiovascular Imaging, 2023, v. 24, n. 8, p. 999, doi. 10.1093/ehjci/jead075
    By:
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Johansen, Niklas Dyrby;
    • Sengeløv, Morten;
    • Olsen, Flemming Javier;
    • Jensen, Gorm Boje;
    • Schnohr, Peter;
    • Shah, Amil;
    • Claggett, Brian Lee;
    • Solomon, Scott D;
    • Møgelvang, Rasmus;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    21

    Impact of echocardiographic analyses of valvular event timing on myocardial work indices.

    Published in:
    European Heart Journal - Cardiovascular Imaging, 2023, v. 24, n. 3, p. 314, doi. 10.1093/ehjci/jeac171
    By:
    • Olsen, Flemming Javier;
    • Bjerregaard, Caroline Løkke;
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Johansen, Niklas Dyrby;
    • Modin, Daniel;
    • Jensen, Gorm Boje;
    • Schnohr, Peter;
    • Søgaard, Peter;
    • Gislason, Gunnar;
    • Svendsen, Jesper Hastrup;
    • Møgelvang, Rasmus;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    22

    Age- and sex-based normal values of layer-specific longitudinal and circumferential strain by speckle tracking echocardiography: the Copenhagen City Heart Study.

    Published in:
    European Heart Journal - Cardiovascular Imaging, 2022, v. 23, n. 5, p. 629, doi. 10.1093/ehjci/jeab032
    By:
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Johansen, Niklas Dyrby;
    • Olsen, Flemming Javier;
    • Lind, Jannie Nørgaard;
    • Jørgensen, Peter Godsk;
    • Jensen, Gorm;
    • Schnohr, Peter;
    • Prescott, Eva;
    • Søgaard, Peter;
    • Møgelvang, Rasmus;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    23

    Left atrial strain predicts incident atrial fibrillation in the general population: the Copenhagen City Heart Study.

    Published in:
    European Heart Journal - Cardiovascular Imaging, 2022, v. 23, n. 1, p. 52, doi. 10.1093/ehjci/jeab202
    By:
    • Hauser, Raphael;
    • Nielsen, Anne Bjerg;
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Duus, Lisa Steen;
    • Johansen, Niklas Dyrby;
    • Sengeløv, Morten;
    • Marott, Jacob Louis;
    • Jensen, Gorm;
    • Schnohr, Peter;
    • Søgaard, Peter;
    • Møgelvang, Rasmus;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    24
    25

    Changes in left atrial structure and function over a decade in the general population.

    Published in:
    European Heart Journal - Cardiovascular Imaging, 2022, v. 23, n. 1, p. 124, doi. 10.1093/ehjci/jeab173
    By:
    • Olsen, Flemming Javier;
    • Johansen, Niklas Dyrby;
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Ravnkilde, Kirstine;
    • Schnohr, Peter;
    • Jensen, Gorm Boje;
    • Marott, Jacob Louis;
    • Søgaard, Peter;
    • Møgelvang, Rasmus;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    26
    27

    Normal age- and sex-based values of right ventricular free wall and four-chamber longitudinal strain by speckle-tracking echocardiography: from the Copenhagen City heart study.

    Published in:
    Clinical Research in Cardiology, 2024, v. 113, n. 3, p. 456, doi. 10.1007/s00392-023-02333-x
    By:
    • Espersen, Caroline;
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Johansen, Niklas Dyrby;
    • Hauser, Raphael;
    • Olsen, Flemming Javier;
    • Jensen, Gorm Boje;
    • Schnohr, Peter;
    • Møgelvang, Rasmus;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    28
    29

    Echocardiographic abnormalities and predictors of mortality in hospitalized COVID‐19 patients: the ECHOVID‐19 study.

    Published in:
    ESC Heart Failure, 2020, v. 7, n. 6, p. 4189, doi. 10.1002/ehf2.13044
    By:
    • Lassen, Mats Christian Højbjerg;
    • Skaarup, Kristoffer Grundtvig;
    • Lind, Jannie Nørgaard;
    • Alhakak, Alia Saed;
    • Sengeløv, Morten;
    • Nielsen, Anne Bjerg;
    • Espersen, Caroline;
    • Ravnkilde, Kirstine;
    • Hauser, Raphael;
    • Schöps, Liv Borum;
    • Holt, Eva;
    • Johansen, Niklas Dyrby;
    • Modin, Daniel;
    • Djernæs, Kasper;
    • Graff, Claus;
    • Bundgaard, Henning;
    • Hassager, Christian;
    • Jabbari, Reza;
    • Carlsen, Jørn;
    • Lebech, Anne‐Mette
    Publication type:
    Article
    30

    Feasibility of randomizing Danish citizens aged 65–79 years to high-dose quadrivalent influenza vaccine vs. standard-dose quadrivalent influenza vaccine in a pragmatic registry-based setting: rationale and design of the DANFLU-1 Trial.

    Published in:
    Pilot & Feasibility Studies, 2022, v. 8, n. 1, p. 1, doi. 10.1186/s40814-022-01044-w
    By:
    • Johansen, Niklas Dyrby;
    • Modin, Daniel;
    • Nealon, Joshua;
    • Samson, Sandrine;
    • Salamand, Camille;
    • Larsen, Carsten Schade;
    • Claggett, Brian L.;
    • Solomon, Scott D.;
    • Landray, Martin J.;
    • Gislason, Gunnar H.;
    • Køber, Lars;
    • Jensen, Jens Ulrik Stæhr;
    • Sivapalan, Pradeesh;
    • Vestergaard, Lasse Skafte;
    • Valentiner-Branth, Palle;
    • Krause, Tyra Grove;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    31

    Diastolic function assessed with speckle tracking over a decade and its prognostic value: The Copenhagen City Heart Study.

    Published in:
    Echocardiography, 2021, v. 38, n. 6, p. 964, doi. 10.1111/echo.15083
    By:
    • Skaarup, Kristoffer Grundtvig;
    • Lassen, Mats Christian Højbjerg;
    • Marott, Jacob Louis;
    • Biering‐Sørensen, Sofie R.;
    • Johansen, Niklas Dyrby;
    • Modin, Daniel;
    • Jørgensen, Peter Godsk;
    • Jensen, Gorm Boje;
    • Schnohr, Peter;
    • Prescott, Eva;
    • Søgaard, Peter;
    • Møgelvang, Rasmus;
    • Biering‐Sørensen, Tor
    Publication type:
    Article
    32
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    Electronic Nudges to Increase Influenza Vaccination in Patients With Chronic Diseases: A Randomized Clinical Trial.

    Published in:
    JAMA: Journal of the American Medical Association, 2024, v. 332, n. 22, p. 1900, doi. 10.1001/jama.2024.21060
    By:
    • Johansen, Niklas Dyrby;
    • Vaduganathan, Muthiah;
    • Bhatt, Ankeet S.;
    • Modin, Daniel;
    • Chatur, Safia;
    • Claggett, Brian L.;
    • Janstrup, Kira Hyldekær;
    • Larsen, Carsten Schade;
    • Larsen, Lykke;
    • Wiese, Lothar;
    • Dalager-Pedersen, Michael;
    • Køber, Lars;
    • Solomon, Scott D.;
    • Sivapalan, Pradeesh;
    • Jensen, Jens Ulrik Stæhr;
    • Martel, Cyril Jean-Marie;
    • Krause, Tyra Grove;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    34
    35

    Electronic nudges to increase influenza vaccination uptake among patients with heart failure: A pre‐specified analysis of the NUDGE‐FLU trial.

    Published in:
    European Journal of Heart Failure, 2023, v. 25, n. 8, p. 1450, doi. 10.1002/ejhf.2913
    By:
    • Johansen, Niklas Dyrby;
    • Vaduganathan, Muthiah;
    • Bhatt, Ankeet S.;
    • Lee, Simin Gharib;
    • Modin, Daniel;
    • Claggett, Brian L.;
    • Dueger, Erica L.;
    • Samson, Sandrine;
    • Loiacono, Matthew M.;
    • Harris, Rebecca C.;
    • Køber, Lars;
    • Solomon, Scott D.;
    • Sivapalan, Pradeesh;
    • Jensen, Jens Ulrik Stæhr;
    • Martel, Cyril Jean‐Marie;
    • Valentiner‐Branth, Palle;
    • Krause, Tyra Grove;
    • Biering‐Sørensen, Tor
    Publication type:
    Article
    36

    Electronically Delivered Nudges to Increase Influenza Vaccination Uptake in Older Adults With Diabetes: A Secondary Analysis of the NUDGE-FLU Trial.

    Published in:
    JAMA Network Open, 2023, v. 6, n. 12, p. e2347630, doi. 10.1001/jamanetworkopen.2023.47630
    By:
    • Lassen, Mats C. Højbjerg;
    • Johansen, Niklas Dyrby;
    • Vaduganathan, Muthiah;
    • Bhatt, Ankeet S.;
    • Lee, Simin Gharib;
    • Modin, Daniel;
    • Claggett, Brian L.;
    • Dueger, Erica L.;
    • Samson, Sandrine I.;
    • Loiacono, Matthew M.;
    • Fralick, Michael;
    • Køber, Lars;
    • Solomon, Scott D.;
    • Sivapalan, Pradeesh;
    • Jensen, Jens Ulrik Stæhr;
    • Martel, Cyril Jean-Marie;
    • Krause, Tyra Grove;
    • Biering-Sørensen, Tor
    Publication type:
    Article
    37