Browsing Institutt for sirkulasjon og bildediagnostikk by Title
Now showing items 82-101 of 1861
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AI Risk Score on Screening Mammograms Preceding Breast Cancer Diagnosis
(Peer reviewed; Journal article, 2023)Background Few studies have evaluated the role of artificial intelligence (AI) in prior screening mammography. Purpose To examine AI risk scores assigned to screening mammography in women who were later diagnosed ... -
AI-driven attenuation correction for brain PET/MRI: Clinical evaluation of a dementia cohort and importance of the training group size
(Peer reviewed; Journal article, 2020)Introduction Robust and reliable attenuation correction (AC) is a prerequisite for accurate quantification of activity concentration. In combined PET/MRI, AC is challenged by the lack of bone signal in the MRI from which ... -
Airway segmentation and centerline extraction from thoracic CT - Comparison of a new method to state of the art commercialized methods
(Peer reviewed; Journal article, 2015)Introduction Our motivation is increased bronchoscopic diagnostic yield and optimized preparation, for navigated bronchoscopy. In navigated bronchoscopy, virtual 3D airway visualization is often used to guide a bronchoscopic ... -
Akutt abdomen ved en observasjonsenhet
(Master thesis, 2016)Målet med denne retrospektive studien er å beskrive pasientpopulasjonen som innlegges med akutte magesmerter ved en observasjonsenhet ved et norsk universitetssykehus. Oppgaven tar for seg hvordan pasientene utredes og ... -
Akutt lungesviktsyndrom hos covid-19-pasient med negative nasofarynksprøver
(Peer reviewed; Journal article, 2020)En kvinne i 40-årene som ble innlagt etter tre ukers sykehistorie med luftveisinfeksjon, utviklet alvorlig akutt lungesviktsyndrom. Nasofarynksprøver tatt dag 1 og 3 etter innleggelse var negative for sars-CoV-2-viruset, ... -
Allocentric representation in the human amygdala and ventral visual stream
(Peer reviewed; Journal article, 2021)The hippocampus and the entorhinal cortex are considered the main brain structures for allocentric representation of the external environment. Here, we show that the amygdala and the ventral visual stream are involved in ... -
ALTERED CIRCULATORY RESPONSES TO EARLY PHYSICAL ACTIVITY AFTER ON-PUMP CORONARY ARTERY SURGERY - A clinical study of cardiac function, peripheral vascular responses, and muscle metabolism
(Doctoral theses at NTNU;2019:314, Doctoral thesis, 2019) -
Ambulance-attended opioid overdoses: An examination into overdose locations and the role of a safe injection facility
(Journal article; Peer reviewed, 2018)Background: Although the United States and numerous other countries are amidst an opioid overdose crisis, access to safe injection facilities remains limited. Methods: We used prospective data from ambulance journals in ... -
Amide proton transfer-weighted MRI in the clinical setting – correlation with dynamic susceptibility contrast perfusion in the post-treatment management of adult glioma patients at 3T
(Master thesis, 2021)Abstract (Dansk) Baggrund: Konventionelle MR sekvenser har begrænset specificitet, når der skal skelnes mellem sygdomsprogression og behandlingsfølger hos patienter med hjerne tumorer (gliomer). Avancerede MR teknikker ... -
An in-hospital clinical care pathway with integrated decision support for cancer pain management reduced pain intensity and needs for hospital stay
(Journal article; Peer reviewed, 2019)Purpose A clinical care pathway for pain management in a palliative care unit was studied with outcomes related to patients, physicians, and health care service. Mandatory use of patient-reported outcome measures (PROMs) ... -
An inconvenient truth:The association between maximal strength training, rate of force development, one repetition maximum, work economy and quality of life amongst persons with inflammatory rheumatic disease.
(Master thesis, 2020)Bakgrunn Revmatismer er klassifisert som kroniske, systemiske og autoimmune sykdommer. Symptomer inkluderer synovial betennelse, hovne ledd, deformasjon av brusk og beinstrukturer. Systemiske funksjoner som hjerte-, skjelett- ... -
An inverse switch in DNA base excision and strand break repair contributes to melphalan resistance in multiple myeloma cells
(Journal article; Peer reviewed, 2013)Alterations in checkpoint and DNA repair pathways may provide adaptive mechanisms contributing to acquired drug resistance. Here, we investigated the levels of proteins mediating DNA damage signaling and -repair in RPMI8226 ... -
Analyses of Increased Mortality in New and Known Diabetes in Patients with Coronary Disease Enrolled in the NORSTENT Randomized Study
(Peer reviewed; Journal article, 2021)Background: NORSTENT trial randomized 9,013 patients to percutaneous coronary intervention with drug-eluting stents (DES) or bare-metal stents (BMS) with a 5-year follow-up. Among the patients, 5,512 had measured either ... -
Analysis of acoustic impedance matching in dual-band ultrasound transducers
(Journal article; Peer reviewed, 2017)Dual-frequency band probes are needed for ultrasound (US) reverberation suppression and are useful for image-guided US therapy. A challenge is to design transducer stacks that achieve high bandwidth and efficiency at both ... -
Analysis of acoustic impedance matching in dual-band ultrasound transducers
(Journal article; Peer reviewed, 2017)Dual-frequency band probes are needed for ultrasound (US) reverberation suppression and are useful for image-guided US therapy. A challenge is to design transducer stacks that achieve high bandwidth and efficiency at both ... -
Analysis of interaction of murine 66cl4 and 67NR breast carcinomas with tumor-associated macrophages
(Master thesis, 2016)Breast cancer is the most common cancer among women in the world, and death is usually caused by metastasis. A tumor is a heterogeneous mass of different cells, and the tumor microenvironment is complex with extensive ... -
Analysis of Intra-Tumoral Macrophages and T Cells in Non-Small Cell Lung Cancer (NSCLC) Indicates a Role for Immune Checkpoint and CD200-CD200R Interactions
(Peer reviewed; Journal article, 2021)Lung cancer is the leading cause of cancer-related death worldwide, accounting for nearly one-fifth of all cancer-related deaths. Immunotherapy with immune checkpoint inhibitors has become one of the most promising approaches ... -
Analysis of Manganese Enhanced MRI of the Normal and Injured Rat Central Nervous System
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:40, Doctoral thesis, 2010)Injury or disease in the central nervous system (CNS) such as stroke or Alzheimer's disease is often irreversible, thus patients su_ering from such injuries or diseases have poor prognosis. Important factors in CNS injury ... -
Analysis of the movements of kidney stones - Analysis of the movements of kidney stones with the help of 4D ultrasound. A cooperation project between the institute of technical cybernetics at NTNU, clinic of image diagnostics and urologic department at St. Olav’s hospital.
(Master thesis, 2015)Objective: The main purpose of this pilot study was to gather information on the movements of kidney stones in a 4 dimensional (4D) perspective through a respiratory cycle, making time the first dimension and space the ... -
Andelen posisjoneringsfeil i røntgenbilder - en baseline for Bevissthetskampanjen 2019 ved St. Olavs Hospital.
(Bachelor thesis, 2019)Hensikten med studien: Hensikten med dette bachelorprosjektet var å se på hvor stor andel røntgenbilder tatt på St. Olavs Hospital (Øya) som inneholdt posisjoneringsfeil, samt hvor mange anatomiske bildekriterier som ble ...