• Atrial fibrillation in cryptogenic stroke and TIA patients in the nordic atrial fibrillation and stroke The Nordic Atrial Fibrillation and Stroke (NOR-FIB) Study: Main results 

      Ratajczak-Tretel, Barbara; Lambert, Anna Tancin; Al-Ani, R.; Arntzen, Kathrine Grønning; Bakkejord, G.K.; Bekkeseth, H.M.O.; Bjerkeli, Vigdis; Eldøen, Guttorm; Gulsvik, Anne Kristine; Halvorsen, Bente; Høie, G.A.; Ihle-Hansen, Håkon; Ihle-Hansen, Hege; Ingebrigtsen, S.; Johansen, H; Kremer, C.; Krogseth, S.B.; Kruuse, C.; Kurz, Friedrich Martin Wilhelm; Nakstad, Ingvild; Novotny, Vojtech; Næss, Halvor; Qazi, Rehman Ul-Haq; Rezaj, M.K.; Rørholt, Dag Marius Nitschke; Steffensen, Linn Hofsøy; Sømark, Jesper; Tobro, Håkon; Truelsen, T.C.; Wassvik, L.; Ægidius, K.L.; Atar, Dan; Aamodt, Anne Hege (Peer reviewed; Journal article, 2022)
      Introduction: Secondary stroke prevention depends on proper identification of the underlying etiology and initiation of optimal treatment after the index event. The aim of the NOR-FIB study was to detect and quantify ...
    • Atrial fibrillation in cryptogenic stroke and transient ischaemic attack – The Nordic Atrial Fibrillation and Stroke (NOR-FIB) Study: Rationale and design 

      Ratajczak-Tretel, Barbara; Lambert, Anna Tancin; Johansen, Henriette; Halvorsen, Bente; Bjerkeli, Vigdis; Russell, David; Sandset, Else Charlotte; Ihle-Hansen, Hege; Eriksen, Erik; Næss, Halvor; Novotny, Vojtech; Khanevski, Andrej; Truelsen, Thomas; Idicula, Titto; Ægidius, Karen L.; Tobro, Håkon; Bohne Krogseth, Siv; Ihle-Hansen, Håkon; Hagberg, Guri; Kruuse, Christina; Arntzen, Kathrine; Bakkejord, Grete K.; Villseth, Maja; Nakstad, Ingvild; Eldøen, Guttorm; Shafiq, Raheel; Gulsvik, Anne Kristine; Kurz, Martin; Rezai, Mehdi; Sømark, Jesper; Tingvoll, Stein-Helge; Jonassen, Christine M; Ingebrigtsen, Susanne; Steffensen, Linn Hofsøy; Kremer, Christine; Atar, Dan; Aamodt, Anne Hege (Journal article; Peer reviewed, 2019)
      Purpose Paroxysmal atrial fibrillation is often suspected as a probable cause of cryptogenic stroke. Continuous long-term ECG monitoring using insertable cardiac monitors is a clinically effective technique to screen for ...
    • BEtablocker Treatment After acute Myocardial Infarction in revascularized patients without reduced left ventricular ejection fraction (BETAMI): Rationale and design of a prospective, randomized, open, blinded end-point study 

      Munkhaugen, John; Ruddox, Vidar; Halvorsen, Sigrun; Dammen, Toril; Fagerland, Morten; Hernæs, Kjersti Helene; Vethe, Nils Tore; Prescott, Eva; Jensen, Svend Eggert; Rødevand, Olaf; Jortveit, Jarle; Bendz, Bjørn; Schirmer, Henrik; Kõber, Lars; Botker, Hans Erik; Larsen, Alf Inge; Vikenes, Kjell; Steigen, Terje; Wiseth, Rune; Pedersen, Terje Rolf; Edvardsen, Thor; Otterstad, Jan Erik; Atar, Dan (Peer reviewed; Journal article, 2019)
      Background - Current guidelines on the use of β-blockers in post–acute myocardial infarction (MI) patients without reduced left ventricular ejection fraction (LVEF) are based on studies before the implementation of modern ...
    • Characteristics, treatment patterns, and residual cardiovascular risk of patients with a first acute myocardial infarction: A nationwide population-based cohort study in Norway 

      Oberprieler, Nikolaus G.; Farahmand, Bahman; Cameron, Jamie; Brobert, Gunnar; Jonasson, Christian; Atar, Dan (Peer reviewed; Journal article, 2021)
      There are few nationwide descriptive studies of longitudinal drug use and residual cardiovascular risk in patients with myocardial infarction (MI) in contemporary clinical practice. The objectives of this work were to ...
    • Comparative effectiveness of loop diuretics on mortality in the treatment of patients with chronic heart failure – A multicenter propensity score matched analysis 

      Täger, Tobias; Fröhlich, Hanna; Grundtvig, Morten; Seiz, Mirjam; Schellberg, Dieter; Goode, Kevin; Kazmi, Syed; Hole, Torstein; Katus, Hugo A.; Atar, Dan; Cleland, John G.F.; Agewall, Stefan; Clark, Andrew L.; Frankenstein, Lutz (Journal article; Peer reviewed, 2019)
      Background Loop diuretics are given to the majority of patients with chronic heart failure (HF). Whether the different pharmacological properties of the three guideline-recommended loop diuretics result in differential ...
    • Diagnostic Accuracy and Usability of the ECG247 Smart Heart Sensor Compared to Conventional Holter Technology 

      Sandberg, Edvard Liljedahl; Grenne, Bjørnar; Berge, Trygve; Grimsmo, Jostein; Atar, Dan; Halvorsen, Sigrun; Fensli, Rune Werner; Jortveit, Jarle (Peer reviewed; Journal article, 2021)
      Background. Heart rhythm disorders, especially atrial fibrillation (AF), are increasing global health challenges. Conventional diagnostic tools for assessment of rhythm disorders suffer from limited availability, limited ...
    • Fully digital self-screening for atrial fibrillation with patch electrocardiogram 

      Sandberg, Edvard Liljedahl; Halvorsen, Sigrun; Berge, Trygve; Grimsmo, Jostein; Atar, Dan; Fensli, Rune Werner; Grenne, Bjørnar Leangen; Jortveit, Jarle (Peer reviewed; Journal article, 2023)
      Aims Atrial fibrillation (AF) is the most common arrhythmia worldwide. The AF is associated with severe mortality, morbidity, and healthcare costs, and guidelines recommend screening people at risk. However, screening ...
    • Gir ACE-hemmere og angiotensinreseptorantagonister økt risiko for alvorlig covid-19? 

      Aamodt, Anne Hege; Bjørk, Marte-Helene; Tronvik, Erling Andreas; Buanes, Eirik Alnes; Stovner, Lars Jacob; Atar, Dan (Peer reviewed; Journal article, 2020)
      Hypertensjon og diabetes mellitus er risikofaktorer for alvorlig covid-19. Det er blitt reist spørsmål om hvorvidt denne assosiasjonen er relatert til bruk av ACE-hemmere og angiotensin II-reseptorblokkere.
    • Residiverende perikarditt 

      Andel, Peter Michael; Aukrust, Pål; Gleditsch, Jostein; Gude, Einar; Haugeberg, Glenn; Høie, Sverre; Salte, Tore; Steine, Kjetil; Atar, Dan (Peer reviewed; Journal article, 2023)
      Perikarditt er en viktig differensialdiagnose ved brystsmerter. I den vestlige verden er idiopatisk perikarditt og inflammasjon etter hjerteinngrep eller infarkt de to viktigste årsakene. Opptil 30 % av perikardittpasientene ...
    • Risk profile, antithrombotic treatment and clinical outcomes of patients in Nordic countries with atrial fibrillation–results from the GARFIELD-AF registry 

      Pope, Marita K; Atar, Dan; Svilaas, Arne B; Hole, Torstein; Nielsen, Jørn Dalsgaard; Hintze, Ulrik; Crisby, Milita; Raatikainen, Pekka; Airaksinen, K.E. Juhani; Virdone, Saverio; Pieper, Karen; Kayani, Gloria; Le Heuzey, Jean-Yves; Steffel, Jan; Stepinska, Janina; Bassand, Jean-Pierre; Camm, A. John (Peer reviewed; Journal article, 2021)
      Aims The objective was to evaluate the clinical characteristics, management and two-year outcomes of patients with newly diagnosed non-valvular atrial fibrillation at risk for stroke in Nordic countries. Methods We ...