Now showing items 1028-1047 of 1087

    • Treatment of sleep apnea in patients with paroxysmal atrial fibrillation: design and rationale of a randomized controlled trial 

      Traaen, Gunn Marit; Aakerøy, Lars; Hunt, Tove Elisabeth F.; Øverland, Britt; Lyseggen, Erik; Aukrust, Pål; Ueland, Thor; Helle-Valle, Thomas Michael; Steinshamn, Sigurd Loe; Edvardsen, Thor; Zare, Hasse Khiabani; Aakhus, Svend; Akre, Harriet; Anfinsen, Ole-Gunnar; Loennechen, Jan Pål; Gullestad, Lars (Journal article; Peer reviewed, 2018)
      Rationale. Atrial fibrillation is associated with increased mortality as well as morbidity. There is strong evidence for an association between atrial fibrillation and sleep apnea. It is not known whether treatment of sleep ...
    • Treatment with antipsychotics in pregnancy: changes in drug disposition 

      Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Castberg, Ingrid Mehli; Spigset, Olav (Journal article; Peer reviewed, 2017)
      Although pregnancy is known to cause changes in drug pharmacokinetics, little is known about its impact on serum levels of antipsychotics. In this study we retrospectively assessed 201 routine serum antipsychotic therapeutic ...
    • Trening under cellegiftsbehandling for tykk- og endetarmskreft: pasientenes erfaringer 

      Svestad, Siri Alstad (Master thesis, 2019)
      Bakgrunn: Primærbehandlingen for tykk- og endetarmskreft er kirurgi, men cellegift gis avhengig av sykdomsutbredelse for å bedre overlevelse. Sykdom og behandling medfører bivirkninger som blant annet fatigue og sensorisk ...
    • Tromboelastography: variability and relation to conventional coagulation test in non-bleeding intensive care unit patients 

      Halset, Jørgen Holli; Hanssen, Simon Wøhlert; Espinosa, Aurora; Klepstad, Pål (Journal article; Peer reviewed, 2015)
      Background: Intensive care unit (ICU) patients usually have abnormal biochemical and hematological laboratory test results as a consequence of organ dysfunction and underlying disease. Thromboelastography (TEG®) is ...
    • Tuberculosis screening and follow-up of asylum seekers in Norway: a cohort study 

      Harstad, Ingunn; Heldal, Einar; Steinshamn, Sigurd L; Garåsen, Helge; Jacobsen, Geir W (Journal article; Peer reviewed, 2009)
      Background: About 80% of new tuberculosis cases in Norway occur among immigrants from high incidence countries. On arrival to the country all asylum seekers are screened with Mantoux test and chest x-ray aimed to identify ...
    • Tumor Targeting by αvβ3-Integrin-Specific Lipid Nanoparticles Occurs via Phagocyte Hitchhiking 

      Sofias, Alexandros Marios; Toner, Yohana C.; Meerwaldt, Anu E.; van Leent, Mandy M. T.; Soultanidis, Georgios; Elschot, Mattijs; Gonai, Haruki; Grendstad, Kristin; Flobak, Åsmund; Neckmann, Ulrike; Wolowczyk, Camilla; Fisher, Elizabeth L.; Reiner, Thomas; Davies, Catharina de Lange; Bjørkøy, Geir; Teunissen, Abraham J. P.; Ochando, Jordi; Pérez-Medina, Carlos; Mulder, Willem J. M.; Hak, Sjoerd (Journal article; Peer reviewed, 2020)
      Although the first nanomedicine was clinically approved more than two decades ago, nanoparticles’ (NP) in vivo behavior is complex and the immune system’s role in their application remains elusive. At present, only ...
    • Two-Dimensional Blood Velocity Estimation for Intracardiac Flow Assessment 

      Fadnes, Solveig (Doktoravhandlinger ved NTNU, 1503-8181; 2014:260, Doctoral thesis, 2014)
      Måling av blodstrømshastigheter i hjertet Ultralyd (ekkokardiografi) og fargedoppler er viktige verktøy som brukes for å detektere og visualisere medfødt hjertefeil. To av de mest vanlige formene for medfødt hjertefeil ...
    • Ultra-high frame rate tissue Doppler imaging, technical feasibility and first clinical experiences 

      Lervik, Lars Christian Naterstad (Doctoral theses at NTNU;2017:332, Doctoral thesis, 2017)
    • Ultrasonic detection of decompression induced vascular microbubbles 

      Eftedal, Olav Sande (Doktoravhandlinger ved NTNU, 1503-8181; 2007:168, Doctoral thesis, 2007)
      Gassbobler kan dannes i kroppen som følge av overmetning av gasser når man går opp til overflaten etter dykking. Det har lenge vært kjent at slike gassbobler kan føre til trykkfallsyke, men mekanismene bak er fortsatt ikke ...
    • Ultrasonic focusing through a steel layer for acoustic imaging 

      Talberg, Andreas Sørbrøden; Dong, Hefeng; Johansen, Tonni Franke; Måsøy, Svein-Erik; Brekke, Svein; Rommetveit, Tarjei (Journal article; Peer reviewed, 2018)
      Ultrasonic tools are being used for imaging in a large variety of fields, spanning from medical applications in a hospital to applications deep down in oil and gas wells. When applying ultrasonic imaging techniques to image ...
    • Ultrasound and magnetic resonance imaging for group stratification and treatment monitoring in the transgenic adenocarcinoma of the mouse prostate model 

      Fagerland, Stein-Martin Tilrum; Hill, Deborah Katherine; van Wamel, Annemieke; Davies, Catharina de Lange; Kim, Jana (Journal article; Peer reviewed, 2020)
      Background:The transgenic adenocarcinoma of the mouse prostate (TRAMP) is a widelyused genetically engineered spontaneous prostate cancer model. However, both thedegree of malignancy and time of cancer onset vary. While ...
    • Ultrasound cardiac modeling, segmentation and tracking 

      Dikici, Engin (Doktoravhandlinger ved NTNU, 1503-8181; 2013:79, Doctoral thesis, 2013)
      Echocardiography plays a key role in assessing cardiac diseases, especially in evaluating left ventricular (LV) function. It enables real-time, non-invasive, and relatively low cost acquisition of cardiac images. Furthermore, ...
    • Ultrasound detection of vascular decompression bubbles: The influence of new technology and considerations on bubble load 

      Blogg, Lesley S; Gennser, Mikael; Møllerløkken, Andreas; Brubakk, Alf O (Journal article; Peer reviewed, 2014)
      INTRODUCTION: Diving often causes the formation of 'silent' bubbles upon decompression. If the bubble load is high, then the risk of decompression sickness (DCS) and the number of bubbles that could cross to the arterial ...
    • Ultrasound imaging in neurosurgery: Delineation of tumours for resection control 

      Selbekk, Tormod (Doktoravhandlinger ved NTNU, 1503-8181; 2013:85, Doctoral thesis, 2013)
      Complete removal, as opposed to only partial removal, of all macroscopic tumor tissue is associated with longer survival for most of the brain tumours. Ultrasound is an imaging technique that can contribute to increase the ...
    • Ultrasound imaging of blood flow based on high frame rate acquisition and adaptive signal processing 

      Ekroll, Ingvild Kinn (Doktoravhandlinger ved NTNU, 1503-8181; 2013:54, Doctoral thesis, 2013)
      Ultrasound imaging of blood flow is in widespread use for assessment of atherosclerotic disease. Imaging of the carotid arteries is of special interest, as blood clots from atherosclerotic plaques may follow the blood ...
    • Ultrasound Improves the Delivery and Therapeutic Effect of Nanoparticle-Stabilized Microbubbles in Breast Cancer Xenografts 

      Snipstad, Sofie; Berg, Sigrid; Mørch, Ýrr Asbjørg; Bjørkøy, Astrid; Sulheim, Einar; Hansen, Rune; Grimstad, Ingeborg; van Wamel, Annemieke; Maaland, Astri Fjelde; Torp, Sverre Helge; Davies, Ruth Catharina de Lange (Journal article; Peer reviewed, 2017)
      Compared with conventional chemotherapy, encapsulation of drugs in nanoparticles can improve efficacy and reduce toxicity. However, delivery of nanoparticles is often insufficient and heterogeneous because of various ...
    • Ultrasound in image-guided spine surgery: Enabling technologies and first steps 

      Bø, Lars Eirik (Doctoral theses at NTNU;2018:257, Doctoral thesis, 2018)
      Most people experience back pain at some point in their life. While most of these conditions are treated nonoperatively, surgical treatment has been shown to be both effective and cost effective compared to nonoperative ...
    • Ultrasound speckle reduction using generative adversial networks 

      Dietrichson, Fabian Sødal; Smistad, Erik; Østvik, Andreas; Løvstakken, Lasse (Journal article; Peer reviewed, 2018)
      Generative adversial networks (GANs) have shown its ability to create realistic and accurate image-to-image transformation. The goal of this work was to investigate whether deep convolutional GANs can learn to perform ...
    • Ultrasound Strain Rate Imaging of Individual Muscle Motor Units 

      Heger, Max; Stavdahl, Øyvind; Torp, Hans (Journal article; Peer reviewed, 2014)
      Skeletal muscle is organized in motor units, each comprising a motor neuron and all its connected muscle fibres. The arrival of an action potential (a neural “impulse”) causes the fibers to contract, they exhibit a twitch. ...
    • Ultrasound-based Estimation of Strain in Abdominal Aortic Aneurysm 

      Brekken, Reidar (Doktoravhandlinger ved NTNU, 1503-8181; 2012:369, Doctoral thesis, 2012)
      Abdominal aortic aneurysm (AAA) is a vascular disease resulting in a permanent local dilatation of the abdominal aorta. Different studies estimate the prevalence of AAA to 1.3-8.9% of men and 1.0-2.2% of women over 60 years ...