Blar i tittel Doktorgradsavhandlinger (Helsefak)

Viser treff 663-682 av 699

    • Unraveling nanoscale alterations in liver cell fenestrations - Morphological studies via optical super-resolution microscopy approaches 

      Mao, Hong (Doctoral thesis; Doktorgradsavhandling, 2021-01-22)
      The endothelium makes up the innermost cell layer of blood vessels. It consists of a thin layer of simple squamous cells, forming an interface between circulating blood and the surrounding tissue. Endothelial cells of different vascular beds are specialized according to tissue-specific functions. For this project emphasis was placed upon high-resolution methods enabling the study of liver sinusoidal ...

    • Unrecognized Myocardial Infarction. Pain tolerance, prognosis and pathogenesis in men and women 

      Øhrn, Andrea Sofie Henriette Milde (Doctoral thesis; Doktorgradsavhandling, 2018-03-22)
      Mange gjennomgår et hjerteinfarkt uten å vite at det har skjedd, dette kalles stumme hjerteinfarkt. Det er ikke kjent hvorfor noen rammes av stumme hjerteinfarkt, mens andre opplever brystsmerter og tar kontakt med lege. I Tromsøundersøkelsens 6.runde ble 6,199 personer undersøkt med EKG, der man kan se om en person har gjennomgått et hjerteinfarkt. I tillegg ble det samlet inn data på smertefølsomhet ...

    • Upbringing by relatives. Incorporating new understandings and perspectives into the study of kinship foster care 

      Skoglund, Jeanette (Doctoral thesis; Doktorgradsavhandling, 2018-06-27)
      Oppvekst i slekt er en praksisform som har lange tradisjoner i den private sfære. Slektsfosterhjem derimot, som kategori og tiltak i barnervernet er et realtivt nytt fenomen. I forskning har oppvekst i og blant slektninger primært blitt utforsket blant antropologer. Med institusjonaliseringen og kategoriseringen av slektsfosterhjem har fenomenet blitt aktuelt også innenfor barnevernrelatert forskning. ...

    • Uric acid - its role as a risk factor for the metabolic syndrome, cardiovascular and kidney disease 

      Storhaug, Hilde (Doctoral thesis; Doktorgradsavhandling, 2016-12-06)
      Uric acid as a potential risk factor for cardiovascular and renal conditions has gained renewed attention. In this work we aimed to assess the associations between serum uric acid, metabolic syndrome, hypertension, renal dysfunction, cardiovascular events and mortality. In paper I, 6083 participants from Tromsø 4 were stratified according to body mass index. Endpoints were the metabolic syndrome ...

    • Uric acid and adiponectin in cardiovascular disease 

      Norvik, Jon Viljar (Doctoral thesis; Doktorgradsavhandling, 2017-04-20)
      Uric acid, a product of metabolism, was discovered a quarter of a millennium ago and has been known to be a possible cardiovascular risk factor for well over a century. A much newer discovery, adiponectin, was discovered only a little more than 20 years ago as a protein hormone secreted by adipose tissue and has attracted substantial attention for its association with cardiovascular disease. This ...

    • Use of alternative medicine by Norwegian cancer patients 

      Risberg, Terje (Research report; Forskningsrapport, 1998)

    • Use of analgesics in the general population: Trends, persistence, high-risk use and associations with pain sensitivity 

      Samuelsen, Per-Jostein (Doctoral thesis; Doktorgradsavhandling, 2016-08-19)
      Background: Analgesics are commonly used drugs but we are lacking knowledge of trends, persistence, high-risk use and the association with pain sensitivity at a population-level. Purpose: To describe the use of analgesics, particularly persistent analgesic use, in a general population (30+ years), including change over time, contraindications and drug interactions, risk factors, and associations ...

    • Use of complementary and alternative medicine among Norwegian cancer patients 

      Kristoffersen, Agnete Egilsdatter (Doctoral thesis; Doktorgradsavhandling, 2013-06-27)
      Kristoffersen har kartlagt bruken av alternative behandlingsformer blant norske kreftpasienter i en tid da loven på dette området var i betydelig endring. Metoden som har vært brukt er spørreundersøkelser der pasientene selv krysser av svarene. Tre utvalg har vært studert; Et landsrepresentativt utvalg av pasienter med minst fem års overlevelse tross dårlig prognose og deltakere i Tromsø undersøkelsen ...

    • The use of self-administered questionaires about food habits. 

      Jacobsen, Bjarne Koster (Doctoral thesis; Doktorgradsavhandling, 1988)

    • Users’ role in the making and scaling of an Information Infrastructure for Health Care based on the openEHR specification 

      Christensen, Bente (Doctoral thesis; Doktorgradsavhandling, 2017-11-11)
      In this thesis, I discuss the socio-technical challenges in growing and information infrastructure for Health Care based on the openEHR specification, particularly focusing users’ role and contribution. Conceptualizing the emerging EPR system as the growing of an Information Infrastructure, the different happenings and activities in the development project have been interpreted as infrastructuring ...

    • Using medical birth registries in the Kola Peninsula for birth defects surveillance and investigation of their risk factors 

      Postoev, Vitaly Alexandrovich (Doctoral thesis; Doktorgradsavhandling, 2016-11-18)
      Medical birth registries are valuable sources of information about maternal and newborn’s health. In North-West Russia the registries were initiated in 1997 in the city of Monchegorsk and for all of Murmansk County in 2005. In this thesis we demonstrated the effectiveness of these data sources for surveillance of birth defects with the following objectives: (i) estimated changes in prevalence of ...

    • Using the Internet to Manage Atopic Eczema 

      Schopf, Thomas Roger Griesbeck (Doctoral thesis; Doktorgradsavhandling, 2013-06-21)

    • Utilization of community healthcare services and family caregivers’ needs for support. A survey of family caregivers for older, home-dwelling persons with dementia in Northern Norway 

      Moholt, Jill-Marit (Doctoral thesis; Doktorgradsavhandling, 2019-11-21)
      In line with the current aging policies, the majority of older persons with dementia live in their own home. Although a range of community healthcare services is available to support home-dwelling persons with dementia, informal care provided by family caregivers constitutes a major portion of the care provided. This study contributes to knowledge regarding the use and nonuse of community healthcare ...

    • Venous Air Embolism and Complement-driven Thromboinflammation. In vitro human whole blood studies and in vivo porcine studies on the effect of air emboli on the complement system, cytokine network, and the hemostasis 

      Storm, Benjamin (Doctoral thesis; Doktorgradsavhandling, 2022-09-27)
      <p><i>Background:</i> Air embolism may complicate many medical procedures and cause vascular occlusion, organ infarctions, or death. In vitro, air triggers the alternative complement pathway and activates platelets. Previous studies of air emboli were conducted in serum, plasma, or heparin anticoagulated whole blood, with ambient air present in tubes, precluding detailed examination of thromboinflammation. ...

    • Venous thromboembolism and cancer 

      Gran, Olga Vikhammer (Doctoral thesis; Doktorgradsavhandling, 2017-06-27)
      Venous thromboembolism (VTE) is a collective term for deep vein thrombosis and pulmonary embolism. VTE is a common cause of mortality and morbidity in patients with cancer, and may also be the first sign of an underlying malignancy. The first aim of this thesis was to investigate the risk of incident and recurrent VTE in active cancer compared to a cancer-free reference population and to explore the ...

    • Venous thromboembolism: incidence, recurrence and mortality 

      Arshad, Nadia (Doctoral thesis; Doktorgradsavhandling, 2018-08-29)
      Deep vein thrombosis (DVT) and pulmonary embolism (PE), collectively referred to as venous thromboembolism (VTE), is associated with substantial morbidity and mortality. To plan and evaluate prevention and treatment strategies for VTE, understanding into the epidemiology and current magnitude of VTE is needed. The aims of this thesis were (i) to assess time-trends in the incidence of VTE in the ...

    • Vertebral fractures: Prevalence, risk factors, and health-related quality of life. A cross-sectional study The Tromsø study 2007/2008 

      Waterloo, Svanhild Haugnes (Doctoral thesis; Doktorgradsavhandling, 2013-11-08)
      Summary Background: Osteoporotic fractures constitute a major health burden in western societies. Forearm, vertebral-, and hip fractures are the most common types. Norway has the highest reported prevalence of forearm- and hip fractures. Little data has been available concerning vertebral fractures, although these, together with the hip fractures, are associated with increased morbidity ...

    • Virtual dissection of cardiac motion : what do we measure by strain and strain rate imaging? 

      Rösner, Assami (Doctoral thesis; Doktorgradsavhandling, 2010-09-17)
      Since the introduction of strain and strain rate measurements in echocardiography of the heart, many studies have demonstrated that these parameters quantify effectively and precisely regional myocardial deformation. The method allows to measure and quantify regional myocardial function. Different cardiac diseases might be detected at an earlier stage. However, there are many factors influencing ...

    • Visual methods in health dialogue and public health work. An action research approach to improve school nurses’ work with adolescents 

      Laholt, Hilde (Doctoral thesis; Doktorgradsavhandling, 2020-01-29)
      School nursing involves relationships and understandings based on young people’s needs. Visual technologies have become a central part of young people’s life and context: they use their phones to communicate and shape their relationships and they turn to social media when inquiring about health issues. Visual methods in health communication thus draw on existing practices, and are well documented ...

    • Vitamin D and its implication on inflammation and genomics. The data from the Tromsø Study and the U.S. National Health and Nutrition Examination Survey 

      Beilfuss, Julia (Doctoral thesis; Doktorgradsavhandling, 2017-11-24)
      Det har vært en økende interesse for vitamin D sin rolle i patogenese av inflammasjonsrelaterte sykdommer, metabolske forstyrrelser, hjertekarsykdommer og cancer. Mange observasjonsstudier har antydet en sammenheng mellom redusert vitamin D nivå og økt risiko for disse sykdommene. Vårt mål var å undersøke denne sammenhengen i to store observasjonsstudier: den norske Tromsøundersøkelsen og den ...