Blar i NTNU Open på forfatter "Åsberg, Arne"
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Accuracy of bromocresol green (BCG) method for plasma albumin
Lau, Eileen (Bachelor thesis, 2020)Albuminkonsentrasjon kan måles ved bruk av flere metoder, så som bromokresolgrønn metode og immunefelometrisk metode. Resultater målt ved forskjellige metoder kan variere til en viss grad, spesielt ved lavere albuminkonsentrasjon. ... -
Calculating the Coefficient of Variation from Duplicate Measurements: A New Method
Åsberg, Arne; Bolann, Bjørn (Peer reviewed; Journal article, 2023) -
Calprotectin and CRP as biomarkers of cardiovascular disease risk in patients with chronic kidney disease: a follow-up study at 5 and 10 years
Løfblad, Lena; Hov, Gunhild Garmo; Åsberg, Arne; Videm, Vibeke (Peer reviewed; Journal article, 2023)Chronic kidney disease (CKD) and low-grade inflammation are associated with increased risk of cardiovascular disease (CVD). Calprotectin, a protein mainly secreted by activated neutrophils during inflammatory conditions, ... -
Circulating calprotectin: from measurement to clinical application - studies of preanalytical, analytical, and cardiovascular biomarker performance
Løfblad, Lena (Doctoral theses at NTNU;2024:161, Doctoral thesis, 2024)Norsk sammendrag Hjerte-karsykdom er en svært vanlig årsak til sykdom og tidlig død på verdensbasis og skyldes i hovedsak åreforkalkning (aterosklerose) som oppstår pga. fettavleiringer og inflammasjon i åreveggene. ... -
Comparison of procalcitonin, C-reactive protein, white blood cell count and clinical status in diagnosing pneumonia in patients hospitalized with acute exacerbations of COPD: A prospective observational study
Titova, Elena; Christensen, Andreas; Henriksen, Anne Hildur; Steinshamn, Sigurd Loe; Åsberg, Arne (Journal article; Peer reviewed, 2018)Lower respiratory tract infection is the most common cause of acute exacerbations of chronic obstructive pulmonary disease (AECOPD). The aim of the present study was to compare the accuracy of procalcitonin (PCT), C-reactive ... -
Deteksjonsgrenser for kvalitative urinanalyser
Aasvold, Anna Kristine; Sund, Julie Kaland (Bachelor thesis, 2020)Analyse av urin ved bruk av urinstrimmel gir semi-kvantitative prøveresultater, og er gradert i nivåene 1+, 2+, 3+ og 4+. Prøveresultatene tolkes likevel ofte til å være enten positive eller negative ut fra deteksjonsgrensen. ... -
Diagnosing empty iron stores in women: unbound iron binding capacity (UIBC) versus soluble transferrin receptor (sTFR)
Åsberg, Arne; Thorstensen, Ketil; Hov, Gunhild Garmo; Åsberg, Ann Elisabeth (Peer reviewed; Journal article, 2021)Unbound iron binding capacity (UIBC) is more accurate than total iron binding capacity (TIBC) and percent transferrin saturation in diagnosing empty iron stores. It is unknown whether UIBC is more or less accurate than ... -
The diagnostic accuracy of quality control rules
Åsberg, Arne; Bolann, Bjørn (Peer reviewed; Journal article, 2024)Internal quality control in clinical chemistry laboratories are based on analyzing samples of stable control materials among the patient samples. The control results are interpreted by using quality control rules that ... -
Epidemiological studies in hereditary hemochromatosis: Prevalence, morbidity and benefit of screening
Åsberg, Arne (Dissertations at the Faculty of Medicine, 0805-7680; 218, Doctoral thesis, 2003)The basis for this thesis is a population-based screening program for hereditary hemochromatosis, carried out in Nord-Trøndelag County in Norway, as a part of The HUNT Study 1995-97. The main purpose of the screening program ... -
Essential Omega-3 Fatty Acidsin Health and Disease: Association with total mortality and use of biomarkers in clinical practice
Lindberg, Morten (Doktoravhandlinger ved NTNU, 1503-8181; 2014:278, Doctoral thesis, 2014) -
Frie lette kjeder i serum hos myelomatose pasienter – metodesammenlikning av Freelite fra The Bindingsite, N Latex FLC og ELISA fra Sebia
Tesfamichael, Heirmon Sebahtu; Tesfamariam, Eyob Debretsen (Bachelor thesis, 2020)Målet med denne oppgaven var å gjennomføre en metodesammenlikning mellom tre immunologiske metoder som benyttes for måling av frie, lette immunglobulinkjeder. Riktig kvantitering av frie, lette immunglobulinkjeder er viktig ... -
HbA1c as screening for gestational diabetes mellitus in women with polycystic ovary syndrome
Odsæter, Ingrid Hov; Åsberg, Arne; Vanky, Eszter; Carlsen, Sven Magnus (Journal article; Peer reviewed, 2015)Background Gestational diabetes mellitus (GDM) is associated with adverse pregnancy outcomes such as preeclampsia and macrosomia. Women with polycystic ovary syndrome (PCOS) are at increased risk of developing GDM. ... -
Hemoglobin A1c as screening for gestational diabetes mellitus in Nordic Caucasian women
Odsæter, Ingrid Hov; Åsberg, Arne; Vanky, Eszter; Mørkved, Siv; Stafne, Signe Nilssen; Salvesen, Kjell Å; Carlsen, Sven Magnus (Peer reviewed; Journal article, 2016)Background Gestational diabetes mellitus (GDM) increases the risk for preeclampsia and macrosomia. GDM is conventionally diagnosed by an oral glucose tolerance test (OGTT). Hemoglobin A1c (HbA1c) is a marker for the ... -
Hemoglobin A1c in screening for gestational diabetes mellitus - Diagnostic accuracy studies and analytical considerations
Odsæter, Ingrid Hov (Doctoral theses at NTNU;2017:269, Doctoral thesis, 2017) -
Impact of different preanalytical conditions on results of lupus anticoagulant tests
Kristoffersen, Ann-Helen; Jansrud, Ida; Vannes, Solveig; Åsberg, Arne; Aakre, Kristin Moberg (Peer reviewed; Journal article, 2019)Introduction: The currently recommended preanalytical conditions for lupus anticoagulant (LA) analysis require analyzing samples in fresh or freshly frozen platelet‐poor plasma. The aim of this study was to evaluate whether ... -
Inflammatory markers and risk of cardiovascular mortality in relation to diabetes status in the HUNT study
Løfblad, Lena; Hov, Gunhild Garmo; Åsberg, Arne; Videm, Vibeke (Peer reviewed; Journal article, 2021)Inflammatory markers have been associated with increased risk of cardiovascular mortality in general populations. We assessed whether these associations differ by diabetes status. From a population-based cohort study ... -
New reference intervals for cortisol, cortisol binding globulin and free cortisol index in women using ethinyl estradiol
Panton, Kristine Kollerøs; Mikkelsen, Gustav; Irgens, Wenche Elna Øiestad; Hovde, Ann Kristin; Killingmo, Marte Wien; Øien, Monja Airin; Thorsby, Per Medbøe; Åsberg, Arne (Peer reviewed; Journal article, 2019)Healthy women using contraceptives containing a low dose of an estrogen may have a higher serum concentration of cortisol (s-cortisol) and cortisol binding globulin (s-CBG) than the commonly used upper reference limits. ... -
Pasientnær analyse av hjertespesifikt troponin I med Abbott i-STAT1
Istad, Ragnhild Folden; Nyhus, Ida Eid (Bachelor thesis, 2023)Hensikten med oppgaven var å undersøke analysekvaliteten og egenskapene til det pasientnære instrumentet Abbott i-STAT1. Dette ble gjennomført etter ønske fra Avdeling for medisinsk biokjemi, Seksjon Prøvetaking og Pasientnær ... -
Plasma phospholipid EPA and DHA are divergently associated with overall mortality in newly diagnosed diabetic patients: results from a follow-up of the Nord-Trøndelag Health (HUNT) Study, Norway
Lindberg, Morten; Åsberg, Arne; Midthjell, Kristian; Bjerve, Kristian S (Journal article; Peer reviewed, 2013)Data concerning the long-term effects of n-3 and n-6 PUFA on disease control and development of complications in diabetic patients are inconsistent. The relationship between plasma phospholipid PUFA and total mortality in ... -
Reference limits for chromogranin A, CYFRA 21-1, CA 125, CA 19-9 and carcinoembryonic antigen in patients with chronic kidney disease
Mikkelsen, Gustav; Åsberg, Arne; Hultström, Maria Elisabeth; Aasarød, Knut; Hov, Gunhild Garmo (Journal article; Peer reviewed, 2017)Background Patients with chronic kidney disease (CKD) may have increased plasma concentrations of some tumor markers even when no cancer is present. Previous studies have indicated that plasma concentrations of chromogranin ...