Browsing NTNU Open by Author "Aam, Stina"
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Clinically accessible neuroimaging predictors of post-stroke neurocognitive disorder: a prospective observational study
SCHELLHORN, TILL; Aamodt, Eva Birgitte; Lydersen, Stian; Aam, Stina; Wyller, Torgeir Bruun; Saltvedt, Ingvild; Beyer, Mona Kristiansen (Peer reviewed; Journal article, 2021)Background Neurocognitive disorder (NCD) is common in stroke survivors. We aimed to identify clinically accessible imaging markers of stroke and chronic pathology that are associated with early post-stroke NCD. Methods We ... -
Current and Future Prevalence Estimates of Mild Cognitive Impairment, Dementia, and Its Subtypes in a Population-Based Sample of People 70 Years and Older in Norway: The HUNT Study
Gjøra, Linda; Strand, Bjørn Heine; Bergh, Sverre; Borza, Tom; Brækhus, Anne; Engedal, Knut Arne; Johannessen, Aud; Kvello-Alme, Marte; Krokstad, Steinar; Livingston, Gill; Matthews, Fiona E; Myrstad, Christian; Skjellegrind, Håvard; Thingstad, Pernille; Aakhus, Eivind; Aam, Stina; Selbæk, Geir (Peer reviewed; Journal article, 2021)Background: Having accurate, up-to-date information on the epidemiology of mild cognitive impairment (MCI) and dementia is imperative. Objective: To determine the prevalence of MCI and dementia in Norway using data ... -
Diagnostic accuracy of the Clock Drawing Test in screening for early post-stroke neurocognitive disorder: the Nor-COAST study
Navickaite, Egle; Saltvedt, Ingvild Tina; Lydersen, Stian; Munthe-Kaas, Ragnhild; Ihle-Hansen, Hege Beate; Grambaite, Ramune; Aam, Stina (Peer reviewed; Journal article, 2024)Background Post-stroke neurocognitive disorder, though common, is often overlooked by clinicians. Moreover, although the Montreal Cognitive Assessment (MoCA) has proven to be a valid screening test for neurocognitive ... -
High ward occupancy, bedspacing, and 60 day mortality for patients with myocardial infarction, stroke, and heart failure
Asheim, Andreas; Nilsen, Sara Marie; Aam, Stina; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Janszky, Imre; Vatten, Lars Johan; Bjørngaard, Johan Håkon (Journal article; Peer reviewed, 2022)Abstract Aims To study the consequences of crowded wards among patients with cardiovascular disease. Methods and results This is a cohort study among 201 801 patients with 258 807 admissions who were acutely admitted for ... -
How do busy hospital circumstances affect mortality and readmission within 60 days: A cohort study of 680 000 acute admissions in Norway
Nilsen, Sara Marie; Asheim, Andreas; Carlsen, Fredrik; Anthun, Kjartan Sarheim; Vatten, Lars Johan; Aam, Stina; Davies, Neil Martin; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2022)Objective To study mortality and readmissions for older patients admitted during more and less busy hospital circumstances. Design Cohort study where we identified patients that were admitted to the same hospital, ... -
The Impact of Classification Models, Stroke Subtype, and Vascular Risk Factors on Courses of Poststroke Cognitive Impairment
Aam, Stina (Doctoral theses at NTNU;2021:237, Doctoral thesis, 2021)Forekomsten av hjerneslag og demens øker eksponentielt med alder. Grunnet økende antall eldre i befolkningen de nærmeste årene vil denne forekomsten øke betydelig. Behandlingen av hjerneslag har bedret seg de senere årene ... -
Impact of different methods defining post-stroke neurocognitive disorder: The Nor-COAST study
Munthe-Kaas, Ragnhild; Aam, Stina; Ihle-Hansen, Hege; Lydersen, Stian; Knapskog, Anne Brita; Wyller, Torgeir Bruun; Fure, Brynjar; Thingstad, Pernille; Askim, Torunn; Beyer, Mona K.; Næss, Halvor; Seljeseth, Yngve Müller; Ellekjær, Hanne; Pendlebury, Sarah T.; Saltvedt, Ingvild (Peer reviewed; Journal article, 2020)Introduction Post‐stroke neurocognitive disorder (NCD) is common; prevalence varies between studies, partially related to lack of consensus on how to identify cases. The aim was to compare the prevalence of post‐stroke ... -
Impact of pre-stroke frailty on outcome three years after acute stroke: The Nor-Coast study
Munthe-Kaas, Ragnhild; Lydersen, Stian; Quinn, Terry J.; Aam, Stina; Pendlebury, Sarah T.; Ihle-Hansen, Hege Beate (Journal article; Peer reviewed, 2024)Introduction: We aimed to explore the predictive value of pre-stroke frailty index (FI) on functional dependency and mortality 3 years after stroke. Methods: Based on the Rockwood 36-item FI score, we calculated the ... -
The Impact of Systemic Inflammation on Cognitive Function Among Survivors of Ischemic Stroke
Sandvig, Heidi Vihovde (Doctoral theses at NTNU;2024:411, Doctoral thesis, 2024)Approximately 50% of all stroke survivors develop post-stroke cognitive impairment, and acute stroke may especially lead to an accelerated progression of cognitive impairment in the years following stroke. To develop new ... -
The Impact of Vascular Risk Factors on Post-stroke Cognitive Impairment: The Nor-COAST Study
Aam, Stina; Gynnild, Mari Nordbø; Munthe-Kaas, Ragnhild; Saltvedt, Ingvild; Lydersen, Stian; Knapskog, Anne Brita; Ihle-Hansen, Hege; Ellekjær, Hanne; Eldholm, Rannveig Sakshaug; Fure, Brynjar (Peer reviewed; Journal article, 2021)Introduction: Post-stroke cognitive impairment (PSCI) is common, but evidence on the impact of vascular risk factors is lacking. We explored the association between pre-stroke vascular risk factors and PSCI and studied the ... -
Is Frailty Index a better predictor than pre-stroke modified Rankin Scale for neurocognitive outcomes 3-months post-stroke?
Munthe-Kaas, Ragnhild; Aam, Stina; Saltvedt, Ingvild; Wyller, Torgeir Bruun; Pendlebury, Sarah T.; Lydersen, Stian; Hagberg, Guri; SCHELLHORN, TILL; Rostoft, Siri; Ihle-Hansen, Hege (Peer reviewed; Journal article, 2022)Background The prognostic value of frailty measures for post-stroke neurocognitive disorder (NCD) remains to be evaluated. Aims The aim of this study was to compare the predictive value of pre-stroke FI with pre-stroke ... -
Longitudinal brain age prediction and cognitive function after stroke
Aamodt, Eva Birgitte; Alnæs, Dag; de Lange, Ann-Marie Glasø; Aam, Stina; Schellhorn, Till; Saltvedt, Ingvild Tina; Beyer, Mona Kristiansen; Westlye, Lars Tjelta (Peer reviewed; Journal article, 2022)Advanced age is associated with post-stroke cognitive decline. Machine learning based on brain scans can be used to estimate brain age of patients, and the corresponding difference from chronological age, the brain age gap ... -
A Machine Learning Approach to Predict Post-stroke Fatigue. The Nor-COAST study
Luzum, Geske; Thrane, Gyrd; Aam, Stina; Eldholm, Rannveig Sakshaug; Grambaite, Ramune; Munthe-Kaas, Ragnhild; Thingstad, Anne Pernille Mæhle; Saltvedt, Ingvild; Askim, Torunn (Journal article; Peer reviewed, 2014)Objective: This study aimed to predict fatigue 18 months post-stroke by utilizing comprehensive data from the acute and sub-acute phases after stroke in a machine-learning set-up. Design: A prospective multicenter ... -
Mortality and subsequent healthcare use among older patients discharged to a municipality with excess demand for elderly care
Bjørnelv, Gudrun Maria Waaler; Asheim, Andreas; Nilsen, Sara Marie; Anthun, Kjartan Sarheim; Carlsen, Fredrik; Aam, Stina; Kimbell, Elizabeth Anna; Bjørngaard, Johan Håkon (Peer reviewed; Journal article, 2023)There is limited knowledge on how excess demand for elderly care influences patient outcomes. We used a natural experiment to estimate the causal effect of discharging elderly patients from hospital to municipalities with ... -
Plasma Inflammatory Biomarkers Are Associated With Poststroke Cognitive Impairment: The Nor-COAST Study
Sandvig, Heidi Vihovde; Aam, Stina; Alme, Katinka Nordheim; Askim, Torunn; Beyer, Mona K.; Ellekjær, Hanne; Ihle-Hansen, Hege Beathe; Lydersen, Stian; Mollnes, Tom Eirik; Munthe-Kaas, Ragnhild; Næss, Halvor; Saltvedt, Ingvild Tina; Seljeseth, Yngve Müller; Thingstad, Anne Pernille Mæhle; Wethal, Torgeir; Knapskog, Anne Brita (Peer reviewed; Journal article, 2023)Background: Inflammation is proposed to be involved in the pathogenesis of poststroke cognitive impairment. The aim of this study was to investigate associations between concentrations of systemic inflammatory biomarkers ... -
Post-stroke Cognitive Impairment—Impact of Follow-Up Time and Stroke Subtype on Severity and Cognitive Profile: The Nor-COAST Study
Aam, Stina; Einstad, Marte Stine; Munthe-Kaas, Ragnhild; Lydersen, Stian; Ihle-Hansen, Hege; Knapskog, Anne Brita; Ellekjær, Hanne; Seljeseth, Yngve Müller; Saltvedt, Ingvild (Peer reviewed; Journal article, 2020)Background: Post-stroke cognitive impairment (PSCI) is common, but evidence of cognitive symptom profiles, course over time, and pathogenesis is scarce. We investigated the significance of time and etiologic stroke subtype ... -
The Risk of Selection Bias in a Clinical Multi-Center Cohort Study. Results from the Norwegian Cognitive Impairment After Stroke (Nor-COAST) Study
Kuvås, Karen Rosmo; Saltvedt, Ingvild; Aam, Stina; Thingstad, Pernille; Ellekjær, Hanne; Askim, Torunn (Peer reviewed; Journal article, 2020)Purpose: The Norwegian Cognitive Impairment After Stroke (Nor-COAST) study aimed to estimate the prevalence and incidence of neurocognitive disorder in an unselected stroke cohort. The aim of the present study was to ... -
Språkfunksjon etter hjerneslag. En oppfølgingsstudie over tre år.
Myklebust, Guro; Elgaaen, Peder Sethne (Master thesis, 2023)Bakgrunn: Hvert år rammes omtrent ti tusen personer av akutt hjerneslag i Norge. En stor andel vil i forløpet oppleve at språket påvirkes, ofte i form av afasi eller dysartri. Det er rapportert ulike prognoser for slagrammede ... -
Språkfunksjon etter hjerneslag. En oppfølgingsstudie over tre år.
Myklebust, Guro; Elgaaen, Peder Sethne (Master thesis, 2023)Bakgrunn: Hvert år rammes omtrent ti tusen personer av akutt hjerneslag i Norge. En stor andel vil i forløpet oppleve at språket påvirkes, ofte i form av afasi eller dysartri. Det er rapportert ulike prognoser for slagrammede ... -
Test Accuracy of the Montreal Cognitive Assessment in Screening for Early Poststroke Neurocognitive Disorder
Munthe-Kaas, Ragnhild; Aam, Stina; Saltvedt, Ingvild; Wyller, Torgeir Bruun; Pendlebury, Sarah T.; Lydersen, Stian; Ihle-Hansen, Hege (Peer reviewed; Journal article, 2020)Background. Human immunodeficiency virus (HIV)–infected immunological nonresponders (INRs) fail to reconstitute their CD4+ T-cell pool after initiation of antiretroviral therapy, and their prognosis is inferior to that of ...