Blar i Faculty of Medicine på tittel

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    • Variability and similarity of inter-beat intervals of the heart as markers of perceived stress and behavioral regulation 

      Kvadsheim, Elisabet (Doctoral thesis, 2022-08-16)
      The current dissertation investigated inter-beat interval (IBI) indices of variability and similarity, reflecting autonomic nervous system (ANS) modulation on heart rate. IBI indices of cardiac vagal activity (CVA) are ...

    • Variability in functional outcome and treatment practices by treatment center after out-of-hospital cardiac arrest: analysis of International Cardiac Arrest Registry 

      May, Teresa L.; Lary, Christine W.; Riker, Richard R.; Friberg, Hans; Patel, Nainesh; Søreide, Eldar; McPherson, John A.; Undén, Johan; Hand, Robert; Sunde, Kjetil; Stammet, Pascal; Rubertsson, Stein; Belohlvaek, Jan; Dupont, Allison; Hirsch, Karen G.; Valsson, Felix; Kern, Karl; Sadaka, Farid; Israelsson, Johan; Dankiewicz, Josef; Nielsen, Niklas; Seder, David B.; Agarwal, Sachin (Journal article; Peer reviewed, 2019)
      Purpose Functional outcomes vary between centers after out-of-hospital cardiac arrest (OHCA) and are partially explained by pre-existing health status and arrest characteristics, while the effects of in-hospital treatments ...

    • Variability of activity patterns across mood disorders and time of day 

      Krane-Gartiser, Karoline; Vaaler, Arne; Fasmer, Ole Bernt; Sørensen, Kjetil; Morken, Gunnar; Scott, Janine Linda (Peer reviewed; Journal article, 2017-12-19)
      Background: Few actigraphy studies in mood disorders have simultaneously included unipolar (UP) and bipolar (BD) depression or BD mixed states as a separate subgroup from mania. This study compared objectively measured ...

    • Variability of Primary Sjögren’s Syndrome Is Driven by Interferon-α and Interferon-α Blood Levels Are Associated With the Class II HLA–DQ Locus 

      Trutschel, Diana; Bost, Pierre; Mariette, Xavier; Bondet, Vincent; Llibre, Alba; Posseme, Celine; Charbit, Bruno; Thorball, Christian W.; Jonsson, Roland; Lessard, Christopher J.; Felten, Renaud; Ng, Wan Fai; Chatenoud, Lucienne; Dumortier, Hélène; Sibilia, Jean; Fellay, Jacques; Brokstad, Karl Albert; Appel, Silke; Tarn, Jessica R; Quintana-Murci, Lluis; Mingueneau, Michael; Meyer, Nicolas; Duffy, Darragh; Schwikowski, Benno; Gottenberg, Jacques Eric (Journal article; Peer reviewed, 2022)
      Objective Primary Sjögren's syndrome (SS) is the second most frequent systemic autoimmune disease, affecting 0.1% of the general population. To characterize the molecular and clinical variabilities among patients with ...

    • Variable expression of eighteen common housekeeping genes in human non-cancerous kidney biopsies 

      Strauss, Philipp; Furriol, Jessica; Mikkelsen, Håvard (Journal article; Peer reviewed, 2021)
      Housekeeping, or reference genes (RGs) are, by definition, loci with stable expression profiles that are widely used as internal controls to normalize mRNA levels. However, due to specific events, such as pathological ...

    • Variants in the fetal genome near pro-inflammatory cytokine genes on 2q13 associate with gestational duration 

      Liu, Xueping; Helenius, Dorte; Skotte, Line; Beaumont, Robin N.; Wielscher, Matthias; Geller, Frank; Juodakis, Julius; Mahajan, Anubha; Bradfield, Jonathan P.; Lin, Frederick T.J.; Vogelezang, Suzanne; Bustamante, Mariona; Ahluwalia, Tarunveer S.; Pitkänen, Niina; Wang, Carol A.; Bacelis, Jonas; Borges, Maria C.; Zhang, Ge; Bedell, Bruce A.; Rossi, Robert M.; Skogstrand, Kristin; Peng, Shouneng; Thompson, Wesley Kurt; Appadurai, Vivek; Lawlor, Debbie A.; Kalliala, Ilkka; Power, Christine; McCarthy, Mark I.; Boyd, Heather A.; Marazita, Mary L.; Hakonarson, Hakon; Hayes, M. Geoffrey; Scholtens, Denise M.; Rivadeneira, Fernando; Jaddoe, Vincent W.V.; Vinding, Rebecca K.; Bisgaard, Hans; Knight, Bridget A.; Pahkala, Katja; Raitakari, Olli; Helgeland, Øyvind; Johansson, Stefan; Njølstad, Pål Rasmus; Fadista, João; Schork, Andrew J.; Nudel, Ron; Miller, Daniel E.; Chen, Xiaoting; Weirauch, Matthew T.; Mortensen, Preben Bo; Børglum, Anders D.; Nordentoft, Merete; Mors, Ole; Hao, Ke; Ryckman, Kelli K.; Hougaard, David M.; Kottyan, Leah C.; Pennell, Craig E.; Lyytikäinen, Leo-Pekka; Bønnelykke, Klaus; Vrijheid, Martine; Felix, Janine F.; Lowe, William L.; Grant, Struan F.A.; Hyppönen, Elina; Jacobsson, Bo; Jarvelin, Marjo-Riitta; Muglia, Louis J.; Murray, Jeffrey C.; Freathy, Rachel M.; Werge, Thomas M.; Melbye, Mads; Buil, Alfonso; Feenstra, Bjarke (Peer reviewed; Journal article, 2019-09-02)
      The duration of pregnancy is influenced by fetal and maternal genetic and non-genetic factors. Here we report a fetal genome-wide association meta-analysis of gestational duration, and early preterm, preterm, and postterm ...

    • Variasjoner i bruk av psykofarmaka ved sykehjem i Trondheim kommune 

      Hjortland, Anja (Master thesis, 2019-06-22)
      Sykehjemspasientene er blant den skjøreste pasientpopulasjonen, mer enn 80% av sykehjemspasienter har demens, og flere av disse bruker en eller flere psykotrope legemidler daglig. Når kroppen blir eldre er det mye som ...

    • Variation between general practitioners in type 2 diabetes processes of care 

      Nøkleby, Kjersti; Berg, Tore Julsrud; Mdala, Ibrahimu; Tran, Anh Thi; Bakke, Åsne; Gjelsvik, Bjørn E.; Claudi, Tor; Cooper, John; Løvaas, Karianne Fjeld; Thue, Geir; Sandberg, Sverre; Jenum, Anne Karen (Journal article; Peer reviewed, 2021)
      Aims To explore variation in general practitioners’ (GPs’) performance of six recommended procedures in type 2 diabetes patients <75 years without cardiovascular disease. Methods Cross-sectional study of quality of ...

    • Variation in antibiotic consumption in very preterm infants-a 10 year population-based study 

      Huncikova, Zuzana; Stensvold, Hans Jørgen; Øymar, Knut Asbjørn Alexander; Vatne, Anlaug; Lang, Astri Maria; Støen, Ragnhild; Brigtsen, Anne Karin; Moster, Dag; Eriksen, Beate Horsberg; Selberg, Terje Reidar; Rønnestad, Arild Erland; Klingenberg, Claus (Journal article; Peer reviewed, 2023)
      Objectives Wide variations in antibiotic use in very preterm infants have been reported across centres despite similar rates of infection. We describe 10 year trends in use of antibiotics and regional variations among ...

    • Variation in attitudes toward diagnosis and medication of ADHD: a survey among clinicians in the Norwegian child and adolescent mental health services 

      Lyhmann, Ingvild; Widding-Havnerås, Tarjei; Zachrisson, Henrik Daae; Bjelland, Ingvar; Chaulagain, Ashmita; Mykletun, Arnstein; Halmøy, Anne (Journal article; Peer reviewed, 2022)
      Prevalence and medication rates of ADHD vary geographically, both between and within countries. No absolute cutoff exists between ADHD and normal behavior, making clinician attitudes (leading to local practice cultures) a ...

    • Variation in general practitioners’ depression care following certification of sickness absence: a registry-based cohort study 

      Riiser, Sharline; Haukenes, Inger; Baste, Valborg; Smith-Sivertsen, Tone; Hetlevik, Øystein; Ruths, Sabine (Journal article; Peer reviewed, 2020)
      Background Depression is more prevalent among women and people with low socio-economic status. Uncertainties exist about how general practitioner (GP) depression care varies with patients’ social position. Objective To ...

    • Variation in Malaria Transmission in Southern Ethiopia. The impact of prevention strategies and a need for targeted intervention 

      Loha Shumbullo, Eskindir (Doctoral thesis, 2013-09-03)
      In Ethiopia, 60 per cent of the population is at risk of malaria. The transmission of the disease is unstable, and hence, the possibility of epidemics demanded continuous vigilance and preparedness of the health system. ...

    • Variation in maternal mortality in Sidama National Regional State, southern Ethiopia: A population based cross sectional household survey 

      Kea, Aschenaki Zerihun; Lindtjorn, Bernt; Gebretsadik, Achamyelesh; Hinderaker, Sven Gudmund (Journal article; Peer reviewed, 2023)
      Introduction Maternal mortality studies conducted at national level do not provide information needed for planning and monitoring health programs at lower administrative levels. The aim of this study was to measure maternal ...

    • Variation in perception of safety culture in out-of-hours family medicine service in Croatia 

      Mesarić, Jasna; Šimić, Diana; Deilkås, Ellen C Tveter; Hofoss, Dag; Bondevik, Gunnar Tschudi (Journal article; Peer reviewed, 2021)
      Introduction The Safety Attitudes Questionnaire (SAQ) is among the most frequently cited tools for measuring safety culture in healthcare settings. Its ambulatory version was used in this study. The aim was to assess safety ...

    • Variation in staff perceptions of patient safety climate across work sites in Norwegian general practitioner practices and out-of-hour clinics 

      Deilkås, Ellen C Tveter; Hofoss, Dag; Hansen, Elisabeth Holm; Bondevik, Gunnar Tschudi (Peer reviewed; Journal article, 2019-04-10)
      Introduction Measuring staff perceptions with safety climate surveys is a promising approach to addressing patient safety. Variation in safety climate scores between work sites may predict variability in risk related to ...

    • Variation in use of Caesarean section in Norway: An application of spatio-temporal Gaussian random fields 

      Mannseth, Janne; Berentsen, Geir Drage; Skaug, Hans Julius; Lie, Rolv T.; Moster, Dag (Journal article; Peer reviewed, 2021)
      Aims: Caesarean section (CS) is a medical intervention performed in Norway when a surgical delivery is considered more beneficial than a vaginal. Because deliveries with higher risk are centralized to larger hospitals, ...

    • Variation in use of open and laparoscopic distal pancreatectomy and associated outcome metrics in a universal health care system 

      Søreide, Kjetil; Nymo, Linn Såve; Kleive, Dyre; Olsen, Frank; Lassen, Kristoffer (Peer reviewed; Journal article, 2019)
      Background: Universal health care (UHC) should ensure equal access to and use of surgery, but few studies have explored variation in UHC systems. The objective was to describe practice of distal pancreatectomy in Norway ...

    • Variations in contact patterns and dispatch guideline adherence between Norwegian emergency medical communication centres - a cross-sectional study 

      Ellensen, Eirin Nybø; Hunskaar, Steinar; Wisborg, Torben; Zakariassen, Erik (Peer reviewed; Journal article, 2014-01-08)
      Background: The 19 Norwegian Emergency medical communication centres (EMCCs) use Norwegian Index for medical emergency assistance (Index) as dispatch guidelines. Little is known about the use of Index, nor its validity. ...

    • Variations in the length of stay of intensive care unit nonsurvivors in three scandinavian countries 

      Strand, Kristian; Walther, Sten M.; Reinikainen, Matti; Ala-Kokko, Tero; Nolin, Thomas; Martner, Jan; Mussalo, Petteri; Søreide, Eldar; Flaatten, Hans (Peer reviewed; Journal article, 2010-10-04)
      Introduction: The length of stay (LOS) in intensive care unit (ICU) nonsurvivors is not often reported, but represents an important indicator of the use of resources. LOS in ICU nonsurvivors may also be a marker of cultural ...

    • Variations in the management of diffuse low-grade gliomas - A Scandinavian multicenter study 

      Munkvold, Bodil Karoline Ravn; Solheim, Ole; Bartek, Jiri; Corell, Alba; De Dios, Eddie; Gulati, Sasha; Helseth, Eirik; Holmgren, Klas; Jensdottir, Margret; Lundborg, Mina; Mireles, Eduardo Erasmo Mendoza; Mahesparan, Rupavathana; Tveiten, Øystein Vesterli; Milos, Peter; Redebrandt, Henrietta Nittby; Pedersen, Lars Kjelsberg; Ramm-Pettersen, Jon-Terje; Sjöberg, Rickard L; Sjögren, Björn; Sjåvik, Kristin; Smits, Anja; Tomasevic, Gregor; Vecchio, Tomás Gómez; Vik-Mo, Einar O.; Zetterling, Maria; Salvesen, Øyvind; Jakola, Asgeir Store (Journal article; Peer reviewed, 2021)
      Background Early extensive surgery is a cornerstone in treatment of diffuse low-grade gliomas (DLGGs), and an additional survival benefit has been demonstrated from early radiochemotherapy in selected “high-risk” patients. ...