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    • Evaluation of dynamic infrared thermography as an alternative to CT angiography for perforator mapping in breast reconstruction: A clinical study 

      Weum, Sven; Mercer, James; de Weerd, Louis (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-07-15)
      Background: The current gold standard for preoperative perforator mapping in breast reconstruction with a DIEP flap is CT angiography (CTA). Dynamic infrared thermography (DIRT) is an imaging method that does not require ionizing radiation or contrast injection. We evaluated if DIRT could be an alternative to CTA in perforator mapping. Methods: Twenty-five patients scheduled for secondary breast ...
    • Evaluation of hypoglycaemia with non-invasive sensors in people with type 1 diabetes and impaired awareness of hypoglycaemia 

      Elvebakk, Ole; Tronstad, Christian; Birkeland, Kåre I.; Jenssen, Trond Geir; Bjørgaas, Marit Ragnhild Rokne; Frøslie, Kathrine Frey; Godang, Kristin; Kalvøy, Håvard; Martinsen, Ørjan Grøttem; Gulseth, Hanne Løvdal (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-03)
      People with type 1 diabetes and impaired awareness of hypoglycaemia (IAH) are prone to severe hypoglycaemia. Previous attempts to develop non-invasive hypoglycaemia alarm systems have shown promising results, but it is not known if such alarms can detect severe hypoglycaemia in people with IAH. We aimed to explore whether a combination of non-invasive sensors could reliably evaluate hypoglycaemia ...
    • Evaluation of satisfaction with care in a midwifery unit and an obstetric unit: a randomized controlled trial of low-risk women 

      Bernitz, Stine; Øian, Pål; Sandvik, Leiv; Blix, Ellen (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-06-18)
      BACKGROUND Satisfaction with birth care is part of quality assessment of care. The aim of this study was to investigate possible differences in satisfaction with intrapartum care among low-risk women, randomized to a midwifery unit or to an obstetric unit within the same hospital. METHODS Randomized controlled trial conducted at the Department of Obstetrics and Gynecology, Østfold Hospital ...
    • Evaluation of Serum 25-Hydroxyvitamin D as a Predictor of Carotid Intima-Media Thickness and Carotid Total Plaque Area in Nonsmokers: The Tromso Study 

      Kamycheva, Elena; Johnsen, Stein Harald; Wilsgaard, Tom; Jorde, Rolf; Mathiesen, Ellisiv B. (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      Objective. Altered calcium homeostasis has been linked to increased intima-media thickness (IMT) and plaques. We aimed to investigate whether serum 25-hydroxyvitamin D (25(OH)D) and serum calcium are associated with IMT and plaques in nonsmoking population. Methods.Ultrasound of the right carotid arterywith themeasurements of IMT and plaqueswas performed in 4194 nonsmoking subjects with available ...
    • Evaluation of the EQ-5D-3L and 5L versions in low back pain patients 

      Garratt, Andrew; Furunes, Håvard; Hellum, Christian; Solberg, Tore; Brox, Jens Ivar; Storheim, Kjersti; Johnsen, Lars Gunnar (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-05-28)
      <p>Background: The EuroQol EQ-5D is one of the most widely researched and applied patient-reported outcome measures worldwide. The original EQ-5D-3L and more recent EQ-5D-5L include three and five response categories respectively. Evidence from healthy and sick populations shows that the additional two response categories improve measurement properties but there has not been a concurrent comparison ...
    • Evaluation of the medical student research programme in Norwegian medical schools : a survey of students and supervisors 

      Hansen, John-Bjarne; Hunskaar, Steinar; Breivik, Jarle; Figenschau, Kristian; Siebke, Maje; Tømmerås, Karin (Journal article; Tidsskriftartikkel; Peer reviewed, 2009-07-14)
      Background: The Medical Student Research Programme is a national education and grant scheme for medical students who wish to carry out research in parallel with their studies. The purpose of the programme is to increase recruitment of people with a standard medical degree to medical research. The Research Programme was established in 2002 and underwent a thorough evaluation during the spring of ...
    • Evaluation of the medical student research programme in Norwegian medical schools. A survey of students and supervisors 

      Hunskaar, Steinar; Figenschau, Kristian; Hansen, John-Bjarne; Breivik, Jarle; Siebke, Else-Marie; Tømmerås, Karin (Journal article; Tidsskriftartikkel; Peer reviewed, 2009)
    • Evaluation of training program for surgical trauma teams in Botswana 

      Hanche-Olsen, Terje Peder; Alemu, Lulseged; Viste, Asgaut; Wisborg, Torben; Hansen, Kari Schrøder (Journal article; Tidsskriftartikkel, 2014-11-21)
      Background Trauma represents a challenge to healthcare systems worldwide, particularly in low-and middle-income countries. Positive effects can be achieved by improving trauma care at the scene of the accident and throughout hospitalization and rehabilitation. Therefore, we assessed the long-term effects of national implementation of a training program for multidisciplinary trauma teams in a ...
    • The Evolution of the Exponent of Zipf's Law in Language Ontogeny 

      Baixeries, Jaume; Elvevåg, Brita; Ferrer-i-Cancho, Ramon (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      It is well-known that word frequencies arrange themselves according to Zipf’s law. However, little is known about the dependency of the parameters of the law and the complexity of a communication system. Many models of the evolution of language assume that the exponent of the law remains constant as the complexity of a communication systems increases. Using longitudinal studies of child language, ...
    • An examination of the language construct in NIMH's research domain criteria: Time for reconceptualization! 

      Elvevåg, Brita; Cohen, Alex S.; Wolters, Maria K.; Whalley, Heather C.; Gountouna, Viktoria-Eleni; Kuznetsova, Ksenia A.; Watson, Andrew R.; Nicodemus, Kristin K. (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-03-10)
      The National Institute of Mental Health’s Research Domain Criteria (RDoC) Initiative “calls for the development of new ways of classifying psychopathology based on dimensions of observable behavior.” As aresult of this ambitious initiative, language has been identifi d as an independent construct in the RDoC matrix. In this article, we frame language within an evolutionary and neuro- ...
    • Existing data sources in clinical epidemiology: The Scandinavian Thrombosis and Cancer Cohort 

      Jensvoll, Hilde; Severinsen, Marianne T.; Hammerstrøm, Jens; Brækkan, Sigrid Kufaas; Kristensen, Søren R.; Cannegieter, Suzanne C.; Blix, Kristine; Tjønneland, Anne; Rosendaal, Frits Richard; Dziewiecka, Olga; Overvad, Kim; Næss, Inger Anne; Hansen, John-Bjarne (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-09-16)
      Background: Although venous thromboembolism (VTE) is a known common complication in cancer patients, there is limited knowledge on patient-related and cancer-specific risk factors in the general population. The Scandinavian Thrombosis and Cancer (STAC) Cohort was established by merging individual data from three large Scandinavian cohorts (The Tromsø Study, the second Nord-Trøndelag Health Study, ...
    • Exosome-like extracellular vesicles from MYCN-amplified neuroblastoma cells contain oncogenic miRNAs 

      Haug, Bjørn Helge; Hald, Øyvind; Utnes, Peter; Roth, Sarah A; Løkke, Cecilie; Flægstad, Trond; Einvik, Christer (Journal article; Tidsskriftartikkel; Peer reviewed, 2015)
      <p><i>Background:</i> In recent years, evidence has accumulated indicating that both normal and cancer cells communicate via the release and delivery of macromolecules packed into extracellular membrane vesicles. <p><i>Materials and Methods:</i> We isolated nano-sized extracellular vesicles from MYCN-amplified neuroblastoma cell lines using ultracentrifugation and exosome precipitation (Exoquick) ...
    • Experience with quality assurance in two store-and-forward telemedicine networks 

      Wootton, Richard; Liu, Joanne; Bonnardot, Laurent; Venugopal, Raghu; Oakley, Amanda (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-11-26)
      Despite the increasing use of telemedicine around the world, little has been done to incorporate quality assurance (QA) into these operations. The purpose of the present study was to examine the feasibility of QA in store-and-forward teleconsulting using a previously published framework. During a 2-year study period, we examined the feasibility of using QA tools in two mature telemedicine networks ...
    • Expert consensus on re-irradiation for current glioma 

      Krauze, Andra; Attia, Albert; Braunstein, Steve; Chan, Michael; Combs, Stephanie E; Fietkau, Rainer; Fiveash, John; Flickinger, John; Grosu, Anca-Ligia; Howard, Steven; Nieder, Carsten; Niyazi, Maximilian; Rowe, Lindsay; Smart, Dee Dee; Tsien, Christina; Camphausen, Kevin (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-12-01)
      Purpose:<br>To investigate radiation oncologists’ opinions on important considerations to offering re-irradiation (re-RT) as a treatment option for recurrent glioma.<br>Materials and methods:<br>A survey was conducted with 13 radiation oncologists involved in the care of central nervous system tumor patients. The survey was comprised of 49 questions divided into 2 domains: a demographic section (10 ...
    • Expired carbon dioxide during newborn resuscitation as predictor of outcome 

      Holte, Kari; Ersdal, Hege Langli; Klingenberg, Claus; Eilevstjønn, Joar; Stigum, Hein; Jatosh, Samwel; Kidanto, Hussein; Størdal, Ketil (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-03)
      <i>Aim</i> - To explore and compare expired CO<sub>2</sub> (ECO<sub>2</sub>) and heart rate (HR), during newborn resuscitation with bag-mask ventilation, as predictors of 24-h outcome.<br><br> <i>Methods</i> - Observational study from March 2013 to June 2017 in a rural Tanzanian hospital. Side-stream measures of ECO<sub>2</sub>, ventilation parameters, HR, clinical information, and 24-h outcome ...
    • Expired CO2 Levels Indicate Degree of Lung Aeration at Birth 

      Hooper, Stuart B.; Fouras, Andreas; Siew, Melissa; Wallace, Megan; Kitchen, Marcus; te Pas, Arjan B; Klingenberg, Claus; Lewis, Robert; Davis, Peter; Morley, Colin J.; Schmölzer, Georg M. (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      As neonatal resuscitation critically depends upon lung aeration at birth, knowledge of the progression of this process is required to guide ongoing care. We investigated whether expired CO2 (ECO2) levels indicate the degree of lung aeration immediately after birth in two animal models and in preterm infants. Lambs were delivered by caesarean section and ventilated from birth. In lambs, ECO2 levels ...
    • Explaining the association between anxiety disorders and alcohol use disorder: A twin study 

      Torvik, Fartein Ask; Rosenström, Tom Henrik; Gustavson, Kristin; Ystrøm, Eivind; Kendler, Kenneth S.; Bramness, Jørgen Gustav; Czajkowski, Nikolai Olavi; Reichborn-Kjennerud, Ted (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-05)
      <p><i>Background - </i>It is unknown whether social anxiety disorder (SAD) has a unique association with alcohol use disorder (AUD) over and beyond that of other anxiety disorders, how the associations develop over time, and whether the associations are likely to be causal. <p><i>Methods - </i>Diagnoses of AUD, SAD, generalized anxiety disorder, panic disorder, agoraphobia, and specific phobias ...
    • Exploration of 27 plasma immune markers: A cross-sectional comparison of 64 old psychiatric inpatients having unipolar major depression and 18 non-depressed old persons 

      Gaarden, Torfinn Lødøen; Engedal, Knut; Saltyte Benth, Jurate; Larsen, Marianne; Lorentzen, Bernhard; Mollnes, Tom Eirik; Bjølseth, Tor Magne; Castellheim, Albert (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-06-25)
      <p><i>Background</i>: The prevalence of major depression (MD) according to population studies is the same for old (65 years and older) and younger adults. In contrast, an elevated proportion of old MD patients are hospitalized compared to younger adults with MD, indicating a need to expand the characteristics of old inpatients with MD. To illustrate this point, the association between inflammation ...
    • Exploring the Wnt signaling pathway in schizophrenia and bipolar disorder 

      Hoseth, Eva Zsuzsanna; Krull, Florian; Dieset, Ingrid; Mørch, Ragni Helene; Hope, Sigrun; Gardsjord, Erlend Strand; Steen, Nils Eiel; Melle, Ingrid; Brattbakk, Hans-Richard; Steen, Vidar Martin; Aukrust, Pål; Djurovic, Srdjan; Andreassen, Ole Andreas; Ueland, Thor (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-03-06)
      The Wnt signaling pathway plays a crucial role in neurodevelopment and in regulating the function and structure of the adult nervous system. Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental disorders with evidence of subtle neurodevelopmental, structural and functional neuronal abnormalities. We aimed to elucidate the role of aberrant regulation of the Wnt system in these disorders ...
    • Expression and function of Leukotriene B4 receptors in human articular chondrocytes 

      Hansen, Ann Kristin; Indrevik, Jill-Tove; Figenschau, Yngve Anton; Martinez, Inigo Zubiavrre; Sveinbjørnsson, Baldur (Conference object; Konferansebidrag, 2013)
      Leukotriene B4 (LTB4) is linked to osteoarthritis (OA) development however the expression of LTB4 receptors in cartilage cells and the physiological effects of LTB4 on cartilage tissue remain unknown. In this study we find that human articular chondrocytes express LTB4 receptors and that these receptors are functional, however, LTB4 does not seem to affect importantly some primary chondrocyte functions.