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Browsing by Author "Helgason, Dadi"

Browsing by Author "Helgason, Dadi"

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    Acute Kidney Injury Following Cardiac Surgery and Coronary Angiography: Incidence, Risk Factors and Outcome 
    Helgason, Dadi (University of Iceland, School of Health Sciences, Faculty of Medicine, 2019-06)
    Acute kidney injury (AKI) is a growing problem worldwide and is associated with high morbidity and mortality. AKI is a known complication following cardiac operations and coronary angiography (CA). Following CA, AKI has been associated with contrast ...
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    Development of a prognostic model of COVID-19 severity : a population-based cohort study in Iceland 
    Eythorsson, Elias; Bjarnadottir, Valgerdur; Runólfsdóttir, Hrafnhildur L.; Helgason, Dadi; Ingvarsson, Ragnar Freyr; Björnsson, Helgi Kristinn; Ólafsdóttir, Lovísa Björk; Bjarnadottir, Solveig; Ágústsson, Arnar Snær; Oskarsdottir, Kristin; Thorvaldsson, Hrafn Hliddal; Kristjansdottir, Gudrun; Björnsson, Aron Hjalti; Emilsdóttir, Arna Rut; Ármannsdóttir, Brynja; Guðlaugsson, Ólafur; Hansdóttir, Sif; Gottfreðsson, Magnús; Bjarnason, Agnar; Sigurðsson, Martin Ingi; Indriðason, Ólafur Skúli; Pálsson, Runólfur (2022-09-08)
    BACKGROUND: The severity of SARS-CoV-2 infection varies from asymptomatic state to severe respiratory failure and the clinical course is difficult to predict. The aim of the study was to develop a prognostic model to predict the severity of COVID-19 ...
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    HLA alleles, disease severity, and age associate with T-cell responses following infection with SARS-CoV-2 
    Olafsdottir, Thorunn A; Bjarnadottir, Kristbjorg; Norddahl, Gudmundur L.; Halldórsson, Gísli Hreinn; Melsted, Páll; Gunnarsdottir, Kristbjorg; Ivarsdottir, Erna; Olafsdottir, Thorhildur; Arnthorsson, Asgeir O; Theódórs, Fannar; Eyþórsson, Elías Sæbjörn; Helgason, Dadi; Eggertsson, Hannes P.; Masson, Gisli; Bjarnadottir, Solveig; Sævarsdóttir, Sædís; Runólfsdóttir, Hrafnhildur L.; Ólafsson, Ísleifur; Saemundsdottir, Jona; Sigurðsson, Martin Ingi; Ingvarsson, Ragnar Freyr; Pálsson, Runólfur; Thorgeirsson, Gudmundur; Halldórsson, Bjarni Vilhjálmur; Holm, Hilma; Kristjánsson, Már; Sulem, Patrick; Þorsteinsdóttir, Unnur; Jónsdóttir, Ingileif; Gudbjartsson, Daniel F; Stefansson, Kari (2022-09-06)
    Memory T-cell responses following SARS-CoV-2 infection have been extensively investigated but many studies have been small with a limited range of disease severity. Here we analyze SARS-CoV-2 reactive T-cell responses in 768 convalescent SARS-CoV-2-infected ...
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    Iodinated contrast for patients with chronic kidney disease-writing on the wall or free for all? 
    Helgason, Daði; Sigurðsson, Martin Ingi; Helgason, Dadi; Sigurdsson, Martin I. (2021-02-01)
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    Monoclonal gammopathy of undetermined significance and COVID-19 : a population-based cohort study 
    Rögnvaldsson, Sæmundur; Eythorsson, Elias; Thorsteinsdottir, Sigrun; Vidarsson, Brynjar; Önundarson, Páll Torfi; Agnarsson, Bjarni Agnar; Sigurdardottir, Margret; Thorsteinsdóttir, Ingunn; Ólafsson, Ísleifur; Runólfsdóttir, Hrafnhildur L.; Helgason, Dadi; Emilsdóttir, Arna Rut; Ágústsson, Arnar Snær; Björnsson, Aron Hjalti; Kristjánsdóttir, Gudrún; Thordardottir, Asdis Rosa; Indridason, Olafur Skuli; Jónsson, Ásbjörn; Gislason, Gauti Kjartan; Olafsson, Andri; Steingrímsdóttir, Hlíf; Kampanis, Petros; Hultcrantz, Malin; Durie, Brian G.M.; Harding, Stephen; Landgren, Ola; Palsson, Runolfur; Love, Thorvarður Jon; Kristinsson, Sigurdur Yngvi (2021-12-01)
    Multiple myeloma (MM) patients have increased risk of severe coronavirus disease 2019 (COVID-19) when infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Monoclonal gammopathy of undetermined significance (MGUS), the precursor of ...
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    Physical and cognitive impact following SARS-CoV-2 infection in a large population-based case-control study 
    Holm, Hilma; Ivarsdottir, Erna V; Olafsdottir, Thorhildur; Thorolfsdottir, Rosa; Eythorsson, Elias; Norland, Kristjan; Gisladottir, Rosa; Jonsdottir, Gudrun; Unnsteinsdottir, Unnur; Sveinsdottir, Kristin E; Jonsson, Benedikt A; Andresdottir, Margret; Arnar, Davíð Ottó; Arnthorsson, Asgeir O; Birgisdottir, Kolbrún; Bjarnadottir, Kristbjorg; Bjarnadottir, Solveig; Bjornsdottir, Gyda; Einarsson, Gudmundur; Eiriksdottir, Berglind; Gardarsdottir, Elisabet Eir; Gíslason, Þórarinn; Gottfreðsson, Magnús; Gudmundsdottir, Steinunn; Gudmundsson, Julius; Gunnarsdottir, Kristbjorg; Helgadottir, Anna; Helgason, Dadi; Hinriksdottir, Ingibjorg; Ingvarsson, Ragnar Freyr; Jonasdottir, Sigga S; Jónsdóttir, Ingileif; Karlsdottir, Tekla H; Kristinsdottir, Anna M; Kristinsson, Sigurður Yngvi; Kristjansdottir, Steinunn; Löve, Þorvarður Jón; Lúðvíksdóttir, Dóra; Masson, Gisli; Norddahl, Gudmundur; Olafsdottir, Thorunn; Ólafsson, Ísleifur; Rafnar, Thorunn; Runólfsdóttir, Hrafnhildur L.; Saemundsdottir, Jona; Sigurbjornsson, Svanur; Sigurdardottir, Kristin; Sigurðsson, Engilbert; Sigurðsson, Martin Ingi; Sigurdsson, Emil L; Steinthorsdottir, Valgerdur; Sveinbjornsson, Gardar; Thorarensen, Emil A; Thorbjornsson, Bjarni; Thorsteinsdottir, Brynja; Tragante, Vinicius; Ulfarsson, Magnus O; Stefansson, Hreinn; Gislason, Thorsteinn; Kristjansson, Mar; Palsson, Runolfur; Sulem, Patrick; Thorsteinsdottir, Unnur; Thorgeirsson, Gudmundur; Gudbjartsson, Daniel F; Stefansson, Kari (2023-07-06)
    BACKGROUND: Persistent symptoms are common after SARS-CoV-2 infection but correlation with objective measures is unclear. METHODS: We invited all 3098 adults who tested SARS-CoV-2 positive in Iceland before October 2020 to the deCODE Health Study. We ...