Blar i Institutt for sirkulasjon og bildediagnostikk på tittel

Viser treff 1009-1028 av 1901

    • Kraftig stigning i kreatinkinase etter intensiv trening 

      Pedersen, Eskild Skov; Tengesdal, Sindre; Radtke, Maria; Langlo, Knut Asbjørn Rise (Peer reviewed; Journal article, 2019)
      BAKGRUNN Treningsindusert rabdomyolyse er en stadig hyppigere årsak til innleggelse i sykehus og er mye omtalt i mediene. Den reelle forekomsten av tilstanden er ukjent. Vi ønsket å undersøke endring i kreatinkinase (CK) ...

    • Kunnskapsbasert praksis i radiografien 

      Reiten, Markus Grinde; Austrheim, Magnus (Bachelor thesis, 2019)
      Abstrakt Bakgrunn Fokuset på kunnskapsbasert praksis (KBP) har økt i de siste årene, både fra regjeringen og helseprofesjonene. Dette har ført til lovverk og retningslinjer som fremmer bruk av KBP i klinisk praksis innenfor ...

    • Kunstig intelligens i diagnostiseringen på mammografi 

      Andersson, Victoria; Blomvik, Karoline; Øverby, Tonje Christine (Bachelor thesis, 2021)
      Bakgrunn Kreft er den ledende dødsårsaken i Norge, og brystkreft er en av kreftdiagnosene med høyest forekomst. Mammografiscreening brukes for å kunne oppdage eventuell kreft tidlig, slik at prognosen blir bedre. Imidlertid ...

    • Kunstig intelligens ved stråleterapi: Prestasjonen ved automatisering av doseplanlegging 

      Dalseg, Christina Mziray; Flordalen, Eirik André August; Pham, Duc-Huy (Bachelor thesis, 2020)
      Bakgrunn Kunstig intelligens har i de senere årene fått økt oppmerksomhet innenfor helse. Media har fremhevet tidligere studier hvor maskiner allerede er i stand til å prestere bedre enn helsearbeidere. Utviklingen av ...

    • Kurativ kateterbehandling av atrieflimmer 

      Ohm, Ole-Jørgen; Gjesdal, Knut; Rossvoll, Ole; Bugge, Einar; Berntsen, Rolf Frank; Vist, Gunn Elisabeth; Johansen, Marit; Norderhaug, Inger Natvig (Rapport fra Kunnskapssenteret;, Research report, 2006)
      Atrieflimmer er den hyppigst forekommende hjerterytmeforstyrrelse av klinisk betydning, og berører ca 45 000 pasienter i Norge. Medikamentell behandling gir tilfredsstillende effekt hos flertallet, men man må se etter ...

    • L-DOPA-Coated Manganese Oxide Nanoparticles as Dual MRI Contrast Agents and Drug-Delivery Vehicles 

      McDonagh, Birgitte Hjelmeland; Singh, Gurvinder; Hak, Sjoerd; Bandyopadhyay, Sulalit; Augestad, Ingrid Lovise; Peddis, Davide; Sandvig, Ioanna; Sandvig, Axel; Glomm, Wilhelm (Journal article; Peer reviewed, 2016)
      Manganese oxide nanoparticles (MONPs) are capable of time-dependent magnetic resonance imaging contrast switching as well as releasing a surface-bound drug. MONPs give T2/T2* contrast, but dissolve and release T1-active ...

    • Label-set impact on deep learning-based prostate segmentation on MRI 

      Meglic, Jakob; Sunoqrot, Mohammed R. S.; Bathen, Tone Frost; Elschot, Mattijs (Peer reviewed; Journal article, 2023)
      Background Prostate segmentation is an essential step in computer-aided detection and diagnosis systems for prostate cancer. Deep learning (DL)-based methods provide good performance for prostate gland and zones ...

    • Labeling nanoparticles: Dye leakage and altered cellular uptake 

      Snipstad, Sofie; Hak, Sjoerd; Baghirov, Habib; Sulheim, Einar; Mørch, Ýrr Asbjørg; Lelu, Sylvie; von Haartman, Eva; Bäck, Marcus; Nilsson, Peter R; Klymchenko, Andrey S; Davies, Ruth Catharina de Lange; Åslund, Andreas (Journal article, 2016)
      In vitro and in vivo behavior of nanoparticles (NPs) is often studied by tracing the NPs with fluorescent dyes. This requires stable incorporation of dyes within the NPs, as dye leakage may give a wrong interpretation of ...

    • Labelling of olfactory ensheathing cells with micron-sized particles of iron oxide and detection by MRI 

      Sandvig, Ioanna; Hoang, Linh; Sardella, Thomas CP; Barnett, SC; Brekken, Christian; Tvedt, Kåre; Berry, Martin; Haraldseth, Olav; Sandvig, Axel; Thuen, Marte (Journal article; Peer reviewed, 2012)
      A crucial issue in transplant‐mediated repair of the damaged central nervous system (CNS) is serial non‐invasive imaging of the transplanted cells, which has led to interest in the application of magnetic resonance imaging ...

    • Laboratory experiments on ultrasonic logging through casing for barrier integrity validation 

      Talberg, Andreas Sørbrøden; Johansen, Tonni Franke; Larsen, Idar (Chapter, 2017)
      Verification of annular barriers is essential for well integrity, with ultrasonic methods being central in well integrity testing for many decades. By doing ultrasonic pitch-catch measurements on a bench top laboratory ...

    • Lack of transfer of skills after virtual reality simulator training with haptic feedback 

      Våpenstad, Cecilie; Hofstad, Erlend Fagertun; Bø, Lars Eirik; Kuhry, Esther; Johnsen, Gjermund; Mårvik, Ronald; Langø, Thomas; Hernes, Toril A. Nagelhus (Journal article; Peer reviewed, 2017)
      Background and objective: Virtual reality (VR) simulators enrich surgical training and offer training possibilities outside of the operating room (OR). In this study, we created a criterion-based training program on a VR ...

    • Large inter-individual differences in responses to a block of high intensity aerobic interval training: A case series in national-level cyclists and triathletes 

      Bratland-Sanda, Solfrid; Pedersen, Frank. G.; Haave, Marius Ness; Helgerud, Jan; Støren, Øyvind (Journal article; Peer reviewed, 2020)
      The aim was to investigate individual responses on VO2maxand performance to a block of high intensity aerobic interval training (HIIT) in national-level endurance athletes. METHODS: National-level cyclists and triathletes ...

    • Left Atrial Volume, Cardiorespiratory Fitness, and Diastolic Function in Healthy Individuals: The HUNT Study, Norwa 

      Letnes, Jon Magne; Nes, Bjarne; Vaardal-Lunde, Kristina; Bratt Slette, Martine; Mølmen, Harald Edvard; Aspenes, Stian Thoresen; Støylen, Asbjørn; Wisløff, Ulrik; Dalen, Håvard (Journal article; Peer reviewed, 2020)
      Background Left atrial (LA) size and cardiorespiratory fitness (CRF) are predictors of future cardiovascular events in high‐risk populations. LA dilatation is a diagnostic criterion for left ventricular diastolic ...

    • Left ventricular diastolic dysfunction predicts mortality in patients with systemic sclerosis 

      Tennøe, Anders; Murbræch, Klaus; Andreassen, Johanna; Fretheim, Håvard Halland; Garen, Torhild Oddveig; Gude, Einar; Andreassen, Arne K.; Aakhus, Svend; Molberg, Øyvind; Hoffmann-Vold, Anna-Maria (Journal article; Peer reviewed, 2018)
      Background Primary cardiac affection is common and is a major cause of death in systemic sclerosis (SSc), but there are knowledge gaps regarding the effect of cardiac dysfunction on mortality. Objectives The purpose ...

    • Left ventricular global strains by linear measurements in three dimensions: interrelations and relations to age, gender and body size in the HUNT Study 

      Støylen, Asbjørn; Hansen, Harald Edvard Mølmen; Dalen, Håvard (Journal article; Peer reviewed, 2019)
      Strain is a relative deformation and has three dimensions, in the left ventricle (LV) usually longitudinal (εL), transmural (εT) and circumferential (εC) strain. All three components can be measured generically by the basic ...

    • Left ventricular longitudinal shortening: relation to stroke volume and ejection fraction in ageing, blood pressure, body size and gender in the HUNT3 study 

      Støylen, Asbjørn; Dalen, Håvard; Hansen, Harald Edvard Mølmen (Peer reviewed; Journal article, 2020)
      Background: Aims of this cross-sectional study were to assess: the relative contribution of left ventricular (LV) systolic long-axis shortening (mean mitral annular plane systolic excursion, MAPSE) to stroke volume (SV), ...

    • Left ventricular longitudinal shortening: relation to stroke volume and ejection fraction in ageing, blood pressure, body size and gender in the HUNT3 study 

      Støylen, Asbjørn; Dalen, Håvard; Hansen, Harald Edvard Mølmen (Peer reviewed; Journal article, 2020)
      Background: Aims of this cross-sectional study were to assess: the relative contribution of left ventricular (LV) systolic long-axis shortening (mean mitral annular plane systolic excursion, MAPSE) to stroke volume (SV), ...

    • Left Ventricular Systolic Function in Long-Term Survivors of Allogeneic Hematopoietic Stem Cell Transplantation 

      Massey, Richard J; Diep, Phoi Phoi; Ruud, Ellen; Burman, Marta Maria; Kvaslerud, Anette Borger; Brinch, Lorentz; Aakhus, Svend; Gullestad, Lars; Beitnes, Jan Otto (Peer reviewed; Journal article, 2020)
      Background Allogeneic hematopoietic stem cell transplantation (allo-HSCT), a potentially curative therapy for malignant and nonmalignant diseases, is being increasingly used in younger patients. Although allo-HSCT survivors ...

    • Left-Ventricular Volume Estimation in Contrast-Enhanced Echocardiography Using Deep Learning 

      Hu, Jieyu; Smistad, Erik; Grenne, Bjørnar Leangen; Holte, Espen; Dalen, Håvard; Løvstakken, Lasse (Chapter, 2023)
      Accurate estimation of left ventricular (LV) volume is important for the diagnosis and management of cardiac disease. Contrast-enhanced ultrasound (CEUS) helps improve the visualization of the endocardial borders and is ...

    • Leger og sykepleieres kunnskap og holdninger rundt strålevern 

      Selbæk, Marit; Elseth, Kathrine Rosland (Bachelor thesis, 2023)
      Sammendrag Bakgrunn For å beskytte seg mot potensielt skadelige virkninger av stråling, kan kunnskap om strålevern være nyttig. Etter å ha observert manglende grad av utførelse av strålevern i praksisfeltet, var kunnskaper ...