Browsing NTNU Open by Author "Dalen, Håvard"
Now showing items 1-20 of 101
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5 Years of Surgical Aortic Valve Replacement at St. Olavs Hospital – Assessment of Echocardiographic Data, Clinical Outcome and Prevalence of Patient-Prosthesis Mismatch
Eide, Julie Roald; Korpberget, Susanna (Master thesis, 2022)SAMMENDRAG Mål: Denne studien tok sikte på å beskrive pasientpopulasjonen som gjennomgikk åpen hjerteoperasjon med bytte av aortaklaff på St. Olavs Hospital, inkludert pasientkarakteristika, risikofaktorer, samt kliniske ... -
Acute effects of high intensity training on cardiac function: a pilot study comparing subjects with type 2 diabetes to healthy controls
Ness, Henning Ofstad; Ljones, Kristine; Gjelsvik, Randi H; Tjønna, Arnt Erik; Malmo, Vegard; Nilsen, Hans-Olav; Hollekim-Strand, Siri Marte; Dalen, Håvard; Høydal, Morten (Peer reviewed; Journal article, 2022)This study evaluated acute cardiac stress after a high-intensity interval training session in patients with type 2 diabetes (T2D) versus healthy controls. High intensity aerobic exercise was performed by 4 × 4-min intervals ... -
Age-related change in peak oxygen uptake and change of cardiovascular risk factors. The HUNT Study
Letnes, Jon Magne; Dalen, Håvard; Aspenes, Stian Thoresen; Salvesen, Øyvind; Wisløff, Ulrik; Nes, Bjarne (Peer reviewed; Journal article, 2020)Background Large longitudinal studies on change in directly measured peak oxygen uptake (VO2peak) is lacking, and its significance for change of cardiovascular risk factors is uncertain. We aimed to assess ten-year ... -
Anxiety and depression symptoms, albuminuria and risk of acute myocardial infarction in the Norwegian HUNT cohort study
Gustad, Lise Tuset; Myklebust, Tor Åge; Bjerkeset, Ottar; Williams, Lana J; Laugsand, Lars Erik; Dalen, Håvard; Berk, Michael; Romundstad, Solfrid (Peer reviewed; Journal article, 2022)Background Studies suggest increased risk for an outcome in people with joint exposures that share common causal pathways. The objective of this study was to determine the risk of incident acute myocardial infarction ... -
Association of Conventional Cardiovascular Risk Factors With Cardiovascular Disease After Hypertensive Disorders of Pregnancy: Analysis of the Nord-Trøndelag Health Study
Haug, Eirin Beate; Horn, Julie; Markovitz, Amanda R; Fraser, Abigail; Klykken, Bjørnar E.; Dalen, Håvard; Vatten, Lars Johan; Romundstad, Pål Richard; Rich-Edwards, Janet W.; Åsvold, Bjørn Olav (Journal article; Peer reviewed, 2019)Importance Women with a history of hypertensive disorders of pregnancy (HDP) have higher risk of cardiovascular disease (CVD). It is not known how much of the excess CVD risk in women with a history of HDP is associated ... -
The association of electronic health literacy with behavioural and psychological coronary artery disease risk factors in patients after percutaneous coronary intervention: a 12-month follow-up study
Brørs, Gunhild; Dalen, Håvard; Allore, Heather; Deaton, Christi; Fridlund, Bengt Gotthard Anton; Norman, Cameron D.; Palm, Pernille; Wentzel-Larsen, Tore; Norekvål, Tone Merete (Peer reviewed; Journal article, 2023)Aims Fundamental roadblocks, such as non-use and low electronic health (eHealth) literacy, prevent the implementation of eHealth resources. The aims were to study internet usage for health information and eHealth literacy ... -
Assosiasjon mellom atrieflimmer og karstivhet, målt ved pulsbølgehastighet - Data fra HUNT4 og HUNT4 HOPE
Eriksen, Kristian (Master thesis, 2021)Bakgrunn og mål: Betydningen av arteriestivhet i patogenesen til atrieflimmer (AF) er lite undersøkt, og mye er ennå ukjent. For å bedre forstå patofysiologien til atrieflimmer ønsket vi å sammenligne arteriestivhet målt ... -
Automated 2-D and 3-D Left Atrial Volume Measurements Using Deep Learning
Hu, Jieyu; Olaisen, Sindre Hellum; Smistad, Erik; Dalen, Håvard; Løvstakken, Lasse (Journal article; Peer reviewed, 2023)Objective: Echocardiography, a critical tool for assessing left atrial (LA) volume, often relies on manual or semi-automated measurements. This study introduces a fully automated, real-time method for measuring LA volume ... -
Automated estimation of mitral annular plane systolic excursion by artificial intelligence from 3D ultrasound recordings
Tasken, Anders Austlid; Berg, Erik Andreas Rye; Grenne, Bjørnar Leangen; Holte, Espen; Dalen, Håvard; Stølen, Stian Bergseng; Lindseth, Frank; Aakhus, Svend; Kiss, Gabriel Hanssen (Peer reviewed; Journal article, 2023)Perioperative monitoring of cardiac function is beneficial for early detection of cardiovascular complications. The standard of care for cardiac monitoring performed by trained cardiologists and anesthesiologists involves ... -
Automatic measurements of left ventricular volumes and ejection fraction by artificial intelligence: clinical validation in real time and large databases
Olaisen, Sindre Hellum; Smistad, Erik; Espeland, Torvald; Hu, Jieyu; Pasdeloup, David Francis Pierre; Østvik, Andreas; Aakhus, Svend; Rösner, Assami; Malm, Siri; Stylidis, Michael; Holte, Espen; Grenne, Bjørnar Leangen; Løvstakken, Lasse; Dalen, Håvard (Peer reviewed; Journal article, 2023)Aims Echocardiography is a cornerstone in cardiac imaging, and left ventricular (LV) ejection fraction (EF) is a key parameter for patient management. Recent advances in artificial intelligence (AI) have enabled fully ... -
Automatic measurements of mitral annular motion indices
Grue, Jahn Frederik Noraas (Doctoral theses at NTNU;2020:4, Doctoral thesis, 2020) -
Automatic measurements of mitral annular plane systolic excursion and velocities to detect left ventricular dysfunction
Grue, Jahn Frederik; Storve, Sigurd; Dalen, Håvard; Salvesen, Øyvind; Mjølstad, Ole Christian; Samstad, Stein; Torp, Hans; Haugen, Bjørn Olav (Journal article; Peer reviewed, 2018)The purpose of the study described here was to evaluate an automatic algorithm for detection of left ventricular dysfunction, based on measurements of mitral annular motion indices from color tissue Doppler apical four-chamber ... -
Automatic quantification of left ventricular function by medical students using ultrasound
Grue, Jahn Frederik; Storve, Sigurd; Dalen, Håvard; Mjølstad, Ole Christian; Samstad, Stein; Eriksen-Volnes, Torfinn; Torp, Hans; Haugen, Bjørn Olav (Peer reviewed; Journal article, 2020)Background Automatic analyses of echocardiograms may support inexperienced users in quantifying left ventricular (LV) function. We have developed an algorithm for fully automatic measurements of mitral annular plane ... -
Baseline and Exercise Predictors of VO2peak in Systolic Heart Failure Patients: Results from SMARTEX-HF
Karlsen, Trine; Videm, Vibeke; Halle, Martin; Ellingsen, Øyvind; Støylen, Asbjørn; Dalen, Håvard; Delagardelle, Charles; Larsen, Alf Inge; Hole, Torstein; Mezzani, Alessandro; Craenenbrock, EM; Beckers, Patrick; Pressler, Axel; Christle, JW; Winzer, Ephraim; Mangner, Norman; Woitek, Felix; Höllriegel, Robert; Snoer, Martin; Feiereisen, Patrick; Valborgland, Torstein; Linke, Axel; Prescott, Eva Irene Bossano (Journal article; Peer reviewed, 2019)Purpose To investigate baseline, exercise testing, and exercise training-mediated predictors of change in peak oxygen uptake (VO2peak) from baseline to 12-week follow-up (ΔVO2peak) in a post-hoc analysis from the SMARTEX ... -
Cardiac Dysfunction and Arrhythmias 3 Months After Hospitalization for COVID-19
Ingul, Charlotte Ingeborg Björk; Grimsmo, Jostein; Mecinaj, Albulena; Trebinjac, Divna; Nossen, Magnus Berger; Andrup, Simon; Grenne, Bjørnar; Dalen, Håvard; Einvik, Gunnar; Stavem, Knut; Follestad, Turid; Josefsen, Tony Andre; Omland, Torbjørn; Jensen, Torstein (Peer reviewed; Journal article, 2022)Background - The extent of cardiac dysfunction post‐COVID‐19 varies, and there is a lack of data on arrhythmic burden. Methods and Results - This was a combined multicenter prospective cohort study and cross‐sectional ... -
Cardiac function associated with previous, current and repeated depression and anxiety symptoms in a healthy population: the HUNT study.
Gustad, Lise; Bjerkeset, Ottar; Strand, Linn B; Janszky, Imre; Salvesen, Øyvind; Dalen, Håvard (Peer reviewed; Journal article, 2016)Objective: Symptoms of anxiety and depression often co-exist with cardiovascular disease (CVD), yet little is known about the association with left ventricular (LV) subclinical dysfunction. We aimed to study the cross-sectional ... -
Cardiorenal syndrome and the association with fitness: Data from a telerehabilitation randomized clinical trial
Langlo, Knut Asbjørn Rise; Lundgren, Kari Margrethe; Zanaboni, Paolo; Mo, Rune; Ellingsen, Øyvind; Hallan, Stein; Aksetøy, Inger-Lise Aamot; Dalen, Håvard (Peer reviewed; Journal article, 2022)Aims To investigate the associations of cardiorespiratory fitness with cardiac, vascular, renal and cardiorenal characteristics in chronic heart failure in a telerehabilitation randomized clinical trial. Secondly, to ... -
Cardiorespiratory Fitness and the Risk of First Acute Myocardial Infarction: The HUNT Study
Shigdel, Rajesh; Dalen, Håvard; Sui, Xuemei; Lavie, Carl J.; Wisløff, Ulrik; Ernstsen, Linda (Journal article; Peer reviewed, 2019)Background The majority of studies evaluating cardiorespiratory fitness (CRF) as a cardiovascular risk factor use cardiovascular mortality and not cardiovascular disease events as the primary end point, and generally ... -
Changes in cardiopulmonary exercise capacity and limitations 3 to 12 months after COVID-19
Ingul, Charlotte Bjørk; Edvardsen, Anne; Follestad, Turid; Trebinjac, Divna; Ankerstjerne, Odd Andre Wathne; Brønstad, Eivind; Rasch-Halvorsen, Øystein; Aarli, Bernt Bøgvald; Dalen, Håvard; Nes, Bjarne; Lerum, Tøri Vigeland; Einvik, Gunnar; Stavem, Knut; Skjørten, Ingunn (Journal article; Peer reviewed, 2022) -
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 ...