Browsing NTNU Open by Author "Varmdal, Torunn"
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Aktivitetsdata for somatiske sykehus driftsåret 2004
Sverrbo, Erik; Strøm, Turid Bugge; Varmdal, Torunn (SINTEF Rapport;, Research report, 2005)Den samlede veksten i aktiviteten ved de somatiske sykehusene fra 2003 til 2004 var på 4,3 prosent. I 2004 er det i alt 11 nye private institusjoner som leverer pasientdata til Norsk pasientregister sammenlignet med 2003. ... -
Data from national health registers as endpoints for the Tromsø Study: Correctness and completeness of stroke diagnoses
Varmdal, Torunn; Løchen, Maja-Lisa; Wilsgaard, Tom; Njølstad, Inger; Nyrnes, Audhild; Grimsgaard, Sameline; Mathiesen, Ellisiv B. (Peer reviewed; Journal article, 2021)Aim: To assess whether stroke diagnoses in national health registers are sufficiently correct and complete to replace manual collection of endpoint data for the Tromsø Study, a population-based epidemiological ... -
Functional level three months after ischaemic stroke is associated with long-term survival
Sletvold, Tora (Master thesis, 2021)Bakgrunn: Hos pasienter som rammes av hjerneslag har det i de senere år skjedd en bedring i både overlevelse og funksjonsnivå. Tilstanden ved tidspunktet for hjerneslaget har ofte vært utgangspunktet ved vurdering av ... -
Gaining knowledge through health registers: Utility of the Norwegian Stroke Register and the Norwegian Patient Register - studies of data quality and epidemiologic analyses
Varmdal, Torunn (Doctoral theses at NTNU;2016:314, Doctoral thesis, 2016)Helseregistre er nyttige verktøy til styring og kontroll av helsetjenesten og kan bidra til medisinsk forskning av høy kvalitet. For å kunne brukes til disse formålene er det imidlertid viktig at datakvaliteten i registrene ... -
Hjerneslag i Norge 2015-16 - behandling og resultater
Varmdal, Torunn; Indredavik, Bent; Phan, Ailan; Fjærtoft, Hild (Peer reviewed; Journal article, 2020)BAKGRUNN I Norge er hjerneslagbehandlingen desentralisert, og pasienter med hjerneslag blir behandlet ved 50 sykehus. Vi har kartlagt slagbehandlingen ved sykehusene og sammenstilt dette med data fra Norsk hjerneslagregister ... -
Influenza vaccination and risk for cardiovascular events: a nationwide self-controlled case series study
Sen, Abhijit; Bakken, Inger Johanne Landsjøåsen; Govatsmark, Ragna Elise Støre; Varmdal, Torunn; Bønaa, Kaare Harald; Mukamal, Kenneth Jay; Håberg, Siri Eldevik; Janszky, Imre (Peer reviewed; Journal article, 2021)Background US and European guidelines diverge on whether to vaccinate adults who are not at high risk for cardiovascular events against influenza. Here, we investigated the associations between influenza vaccination and ... -
Inter-rater reliability of a national acute stroke register
Varmdal, Torunn; Ellekjær, Hanne; Fjærtoft, Hild; Indredavik, Bent; Lydersen, Stian; Bønaa, Kaare Harald (Journal article; Peer reviewed, 2015-10-19)Background Medical quality registers are useful sources of knowledge about diseases and the health services. However, there are challenges in obtaining valid and reliable data. This study aims to assess the reliability ... -
Risk for Acute Myocardial Infarction After Ophthalmologic Procedures
Sen, Abhijit; Gemes, Katalin; Stålhammar, Gustav; Svensén, Christer; Tornvall, Per; Jonsson, Magnus; Varmdal, Torunn; Endreseth, Birger Henning; Janszky, Imre; Møller, Jette (Peer reviewed; Journal article, 2022)Background: Preoperative cardiovascular evaluations are frequently done before ambulatory ophthalmologic procedures. However, whether these procedures can trigger an acute myocardial infarction (AMI) is unknown. Obje ... -
Wake-up stroke and unknown-onset stroke; occurrence and characteristics from the nationwide Norwegian Stroke Register
Søyland, Mary-Helen; Eltoft, Agnethe; Øygarden, Halvor; Varmdal, Torunn; Indredavik, Bent; Mathiesen, Ellisiv B. (Peer reviewed; Journal article, 2022)Introduction: Population-based knowledge of the characteristics of wake-up stroke and unknown-onset stroke is limited. We compared occurrence and characteristics of ischaemic and haemorrhagic wake-up stroke, unknown-onset ... -
Wake-up stroke and unknown-onset stroke; occurrence and characteristics from the nationwide Norwegian Stroke Register
Søyland, Mary-Helen; Tveiten, Arnstein; Eltoft, Agnethe; Øygarden, Halvor; Varmdal, Torunn; Indredavik, Bent; Mathiesen, Ellisiv B. (Journal article; Peer reviewed, 2022)Introduction: Population-based knowledge of the characteristics of wake-up stroke and unknown-onset stroke is limited. We compared occurrence and characteristics of ischaemic and haemorrhagic wake-up stroke, unknown-onset ...