Blar i NTNU Open på forfatter "Dalen, Håvard"
-
Circulating microRNAs May Serve as Biomarkers for Hypertensive Emergency End-Organ Injuries and Address Underlying Pathways in an Animal Model
Langlo, Knut Asbjørn Rise; Silva, Gustavo Jose Justo; Overrein, Tina Syvertsen; Adams, Volker; Wisløff, Ulrik; Dalen, Håvard; Rolim, Natale Pinheiro Lage; Hallan, Stein (Journal article; Peer reviewed, 2021)There is an incomplete understanding of the underlying pathophysiology in hypertensive emergencies, where severely elevated blood pressure causes acute end-organ injuries, as opposed to the long-term manifestations of ... -
Clinical aspects of cardiorenal syndrome: Evaluation of exercise in a randomized clinical heart failure study and identification of biomarkers in an experimental model of severe hypertension
Langlo, Knut Asbjørn Rise (Doctoral theses at NTNU;2022:264, Doctoral thesis, 2022) -
Complete embolization of a mechanical aortic valve during trail running - a case report with a lucky ending
Dalen, Håvard; Graven, Torbjørn; Slagsvold, Katrine Hordnes; Krogstad, Lars Erik Berg; Saxhaug, Lars Mølgaard; Tannvik, Tomas Dybos; Holte, Espen; Nordhaug, Dag Ole; Karlsen, Øystein; Thorstensen, Anders; Wahba, Alexander; Winnerkvist, Anders (Peer reviewed; Journal article, 2022)Background Complete embolization of a prosthetic heart valve is extremely rare and dangerous. This case reports a total embolization of a mechanical aortic valve and contributes to the literature regarding the diagnostic ... -
Deep Learning Applications for the Assessment of Valvular Heart Disease using Transthoracic Echocardiography
Wifstad, Sigurd Vangen (Doctoral theses at NTNU;2024:198, Doctoral thesis, 2024)Valvular heart disease (VHD) is a class of diseases that affect the heart valves, and are associated with a reduced cardiac output and a poor prognosis for the afflicted patients. Transthoracic echocardiography (TTE) is ... -
Deep Learning for Improved Precision and Reproducibility of Left Ventricular Strain in Echocardiography: A Test-Retest Study
Salte, Ivar Mjåland; Østvik, Andreas; Olaisen, Sindre Hellum; Karlsen, Sigve; Dahlslett, Thomas; Smistad, Erik; Eriksen-Volnes, Torfinn Kirknes; Brunvand, Harald; Haugaa, Kristina Ingrid Helena Hermann; Edvardsen, Thor; Dalen, Håvard; Løvstakken, Lasse; Grenne, Bjørnar Leangen (Peer reviewed; Journal article, 2023)Aims Assessment of left ventricular (LV) function by echocardiography is hampered by modest test-retest reproducibility. A novel artificial intelligence (AI) method based on deep learning provides fully automated ... -
Deep learning improves test–retest reproducibility of regional strain in echocardiography
Nyberg, John; Østvik, Andreas; Salte, Ivar Mjåland; Olaisen, Sindre Hellum; Karlsen, Sigve; Dahlslett, Thomas; Smistad, Erik; Eriksen-Volnes, Torfinn Kirknes; Brunvand, Harald; Edvardsen, Thor; Haugaa, Kristina Ingrid Helena Hermann; Løvstakken, Lasse; Dalen, Håvard; Grenne, Bjørnar Leangen (Journal article; Peer reviewed, 2024)Aims: The clinical utility of regional strain measurements in echocardiography is challenged by suboptimal reproducibility. In this study, we aimed to evaluate the test–retest reproducibility of regional longitudinal strain ... -
Deep Learning in the Echocardiography Workflow: Challenges and Opportunities
Pasdeloup, David (Doctoral theses at NTNU;2023:390, Doctoral thesis, 2023)Echocardiography is the most widely used imaging technique for cardiac imaging due to its availability, low-cost and real-time capabilities. With numerous indicators of heart function, it now enables precise diagnosis of ... -
Development of a tool to predict the risk of incident heart failure in a general population: the HUNT for HF risk score
Ofstad, Anne Pernille; Brunborg, Cathrine; Johansen, Odd Erik; Mørkedal, Bjørn; Fagerland, Morten; Laugsand, Lars Erik; Gullestad, Lars; Dalen, Håvard (Peer reviewed; Journal article, 2023)Aims Currently, no incident heart failure (HF) risk score that is in regular use in a general population is available. We aimed to develop this and compare with existing HF risk scores. Methods and results Participants ... -
Does pregnancy complication history improve cardiovascular disease risk prediction? Findings from the HUNT study in Norway.
Markovitz, Amanda Rose; Stuart, Jennifer J.; Horn, Julie; Williams, Paige; Rimm, Eric B; Missmer, Stacey A.; Tanz, Lauren J.; Haug, Eirin Beate; Fraser, Abigail; Timpka, Simon; Klykken, Bjørnar E.; Dalen, Håvard; Romundstad, Pål Richard; Rich-Edwards, Janet W.; Åsvold, Bjørn Olav (Journal article; Peer reviewed, 2018)To evaluate whether history of pregnancy complications [pre-eclampsia, gestational hypertension, preterm delivery, or small for gestational age (SGA)] improves risk prediction for cardiovascular disease (CVD). Methods and ... -
Echocardiographic image analyses by deep learning. An opportunity to improve chamber quantification
Olaisen, Sindre Hellum (Doctoral theses at NTNU;2024:456, Doctoral thesis, 2024)In cardiology, the quantification of left heart chamber volumes is a key task for prognosis and treatment decisions. Echocardiography is the most widely used method for chamber quantification, but current methodologies are ... -
Echocardiographic indices of cardiac function: Normal values and associations with cardiac risk factors in a population free from cardiovascular disease, hypertension and diabetes: the HUNT 3 Study
Dalen, Håvard (Doktoravhandlinger ved NTNU, 1503-8181; 2010:257, Doctoral thesis, 2010)Ultralydundersøkelse av hjertet (ekkokardiografi) er den undersøkelsen som samlet sett gir mest informasjon om hjertets struktur og funksjon. Undersøkelsen er en hjørnestein i utredning og diagnostikk av hjertesykdom. ... -
Echocardiographic Reference Ranges of Global Longitudinal Strain for All Cardiac Chambers Using Guideline-Directed Dedicated Views
Nyberg, John; Jakobsen, Even Olav; Østvik, Andreas; Holte, Espen; Stølen, Stian; Løvstakken, Lasse; Grenne, Bjørnar Leangen; Dalen, Håvard (Peer reviewed; Journal article, 2023)Background Myocardial deformation by echocardiographic strain imaging is a key measurement in cardiology, providing valuable diagnostic and prognostic information. Reference ranges for strain should be established from ... -
Effect of 5 years of exercise training on the cardiovascular risk profile of older adults: the Generation 100 randomized trial
Letnes, Jon Magne; Berglund, Ida Johnsen; Johnson, Kristin Espolin; Dalen, Håvard; Nes, Bjarne; Lydersen, Stian; Viken, Hallgeir; Hassel, Erlend; Steinshamn, Sigurd Loe; Vesterbekkmo, Elisabeth Kleivhaug; Støylen, Asbjørn; Reitlo, Line Skarsem; Zisko, Nina; Bækkerud, Fredrik Hjulstad; Tari, Atefe R; Ingebrigtsen, Jan Erik; Bucher Sandbakk, Silvana; Carlsen, Trude; Anderssen, Sigmund Alfred; Singh, Maria A. Fiatarone; Coombes, Jeff S.; Helbostad, Jorunn L.; Rognmo, Øivind; Wisløff, Ulrik; Stensvold, Dorthe (Peer reviewed; Journal article, 2021)Aims The aim of this study was to compare the effects of 5 years of supervised exercise training (ExComb), and the differential effects of subgroups of high-intensity interval training (HIIT) and moderate-intensity continuous ... -
Effect of exercise training for five years on all cause mortality in older adults-The Generation 100 study: Randomised controlled trial
Stensvold, Dorthe; Viken, Hallgeir; Steinshamn, Sigurd Loe; Dalen, Håvard; Støylen, Asbjørn; Loennechen, Jan Pål; Reitlo, Line Skarsem; Zisko, Nina; Bækkerud, Fredrik Hjulstad; Tari, Atefe R; Bucher Sandbakk, Silvana; Carlsen, Trude; Ingebrigtsen, Jan Erik; Lydersen, Stian; Mattsson, Erney; Anderssen, Sigmund Alfred; Singh, Maria A. Fiatarone; Coombes, Jeff S.; Skogvoll, Eirik; Vatten, Lars Johan; Helbostad, Jorunn L.; Rognmo, Øivind; Wisløff, Ulrik (Peer reviewed; Journal article, 2020)Objective To evaluate the effect of five years of supervised exercise training compared with recommendations for physical activity on mortality in older adults (70-77 years). Design Randomised controlled trial. Setting ... -
Endokarditt- Årsaker til økende forekomst av tilstanden i Midt-Norge
Aarbakke, Emil Enrico Matcovich (Master thesis, 2024)Formål: insidens av endokarditt er stigende både i Norge og på verdensbasis. Formålet med dette studiet var å vurdere utviklingen av risiko for endokarditt i regionen Midt-Norge i perioden 2010-2022; ved å se på antallet ... -
Endokarditt- nye trender i Helse Midt-Norge
Granild, Milja (Master thesis, 2021)Formål Formålet med oppgaven er å evaluere utviklingen i insidens, etiologi, risikofaktorer, diagnostikk, behandling, morbiditet og mortalitet hos pasienter som ble behandlet for infeksiøs endokarditt på St. Olavs hospital ... -
Exercise training and high-sensitivity cardiac troponin T in patients with heart failure with reduced ejection fraction
Koppen, Elias; Omland, Torbjørn; Larsen, Alf Inge; Karlsen, Trine; Linke, Axel; Prescott, Eva Irene Bossano; Halle, Martin; Dalen, Håvard; Delagardelle, Charles; Hole, Torstein; van Craenenbroeck, Emeline M.; Beckers, Paul; Ellingsen, Øyvind; Feiereisen, Patrick; Valborgland, Torstein; Videm, Vibeke (Journal article; Peer reviewed, 2021)Plasma cell disorders (PCDs) are identified in the clinical lab by detecting the monoclonal immunoglobulin (M-protein) which they produce. Traditionally, serum protein electrophoresis methods have been utilized to detect ... -
Exercise training and high-sensitivity cardiac troponin T in patients with heart failure with reduced ejection fraction
Koppen, Elias; Omland, Torbjørn; Larsen, Alf Inge; Karlsen, Trine; Linke, Axel; Prescott, Eva Irene Bossano; Halle, Martin; Dalen, Håvard; Delagardelle, Charles; Hole, Torstein; van Craenenbroeck, Emeline M.; Beckers, Paul; Ellingsen, Øyvind; Feiereisen, Patrick; Valborgland, Torstein; Videm, Vibeke (Peer reviewed; Journal article, 2021)Plasma cell disorders (PCDs) are identified in the clinical lab by detecting the monoclonal immunoglobulin (M-protein) which they produce. Traditionally, serum protein electrophoresis methods have been utilized to detect ... -
Exercise training and high-sensitivity cardiac troponin-I in patients with heart failure with reduced ejection fraction
Riveland, Egil Aarstad; Valborgland, Torstein; Ushakova, Anastasia; Skadberg, Øyvind; Karlsen, Trine; Hole, Torstein Laurits; Støylen, Asbjørn; Dalen, Håvard; Videm, Vibeke; Koppen, Elias; Linke, Axel; Delagardelle, Charles; Van Craenenbroeck, Emeline M.; Beckers, Paul; Prescott, Eva; Halle, Martin; Omland, Torbjørn; Ellingsen, Øyvind; Larsen, Alf Inge (Journal article; Peer reviewed, 2024)Aims: The aims of this sub-study of the SMARTEX trial were (1) to evaluate the effects of a 12-week exercise training programme on serum levels of high sensitivity cardiac troponin I (hs-cTnI) in patients with moderate ... -
Feasibility and accuracy of point-of-care pocket-size ultrasonography performed by medical students
Andersen, Garrett Newton; Viset, Annja Torlaug; Mjølstad, Ole Christian; Salvesen, Øyvind; Dalen, Håvard; Haugen, Bjørn Olav (Journal article; Peer reviewed, 2014)Background Point-of-care ultrasound performed by clinicians is a useful supplement in the treatment and assessment of patients. We aimed to investigate whether medical students with minimal training were able to successfully ...