Blar i Publikasjoner fra CRIStin - NTNU på forfatter "Aakhus, Svend"
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3D Myocardial Mechanical Wave Measurements: Toward In Vivo 3D Myocardial Elasticity Mapping
Salles, Sebastien; Espeland, Torvald; Rodriguez-Molares, Alfonso; Aase, Svein Arne; Hammer, Tommy; Støylen, Asbjørn; Aakhus, Svend; Løvstakken, Lasse; Torp, Hans (Peer reviewed; Journal article, 2020)Objectives This study aimed to investigate the potential of a novel 3-dimensional (3D) mechanical wave velocity mapping technique, based on the natural mechanical waves produced by the heart itself, to approach a noninvasive ... -
Arterial properties in adults with long-lasting active juvenile idiopathic arthritis compared to healthy controls
Aulie, Hanne Aaserud; Estensen, Mette-Elise; Selvaag, AM; Lilleby, Vibeke; Flatø, Berit; Aakhus, Svend (Journal article; Peer reviewed, 2018)Background The data on cardiovascular risk and systemic arterial properties in patients with long-lasting juvenile idiopathic arthritis (JIA) is limited. The objective of this study was to describe systemic arterial ... -
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 assessment of left ventricular function for hemodynamic monitoring using artificial intelligence and transesophageal echocardiography
Yu, Jinyang; Tasken, Anders Austlid; Flade, Hans Martin; Skogvoll, Eirik; Berg, Erik Andreas Rye; Grenne, Bjørnar Leangen; Rimehaug, Audun Eskeland; Kirkeby-Garstad, Idar; Aakhus, Svend (Peer reviewed; Journal article, 2024)We have developed a method to automatically assess LV function by measuring mitral annular plane systolic excursion (MAPSE) using artificial intelligence and transesophageal echocardiography (autoMAPSE). Our aim was to ... -
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 ... -
Clinical and echocardiographic parameters predicting 1- and 2-year mortality after transcatheter aortic valve implantation
Kjønås, Didrik; Schirmer, Henrik; Aakhus, Svend; Eidet, Jo; Malm, Siri; Aaberge, Lars; Busund, Rolf; Røsner, Assami (Journal article; Peer reviewed, 2021)Background: Transcatheter aortic valve implantation (TAVI) has become a standard treatment option for patients with symptomatic aortic stenosis. Elderly high-risk patients treated with TAVI have a high residual mortality ... -
Combining Automatic Angle Correction and 3-D Tracking Doppler for the Assessment of Aortic Stenosis Severity
Fiorentini, Stefano; Espeland, Torvald; Berg, Erik Andreas Rye; Aakhus, Svend; Torp, Hans; Avdal, Jørgen (Journal article; Peer reviewed, 2019)Aortic valve stenosis (AS) is a narrowing of the aortic valve opening, which causes increased load on the left ventricle. Untreated, this condition can eventually lead to heart failure and death. According to current ... -
Effect of a single dose of the interleukin-6 receptor antagonist tocilizumab on inflammation and troponin T release in patients with non-ST-elevation myocardial infarction: a double-blind, randomized, placebo-controlled phase 2 trial
Kleveland, Ola; Kunszt, Gabor; Bratlie, Marte; Ueland, Thor; Broch, Kaspar; Holte, Espen; Michelsen, Annika; Bendz, Bjørn; Amundsen, Brage H.; Espevik, Terje; Aakhus, Svend; Damås, Jan Kristian; Aukrust, Pål; Wiseth, Rune; Gullestad, Lars (Journal article; Peer reviewed, 2016)Aims Interleukin-6 (IL-6) contributes to atherosclerotic plaque destabilization and is involved in myocardial injury during ischaemia–reperfusion. Interleukin-6 is therefore a potential therapeutic target in myocardial ... -
Eliciting Patient Risk Willingness in Clinical Consultations as a Means of Improving Decision-Making of Aortic Valve Replacement
Hussain, Amjad; Garratt, Andrew; Brunborg, Cathrine; Aakhus, Svend; Gullestad, Lars; Pettersen, Kjell I (Journal article; Peer reviewed, 2016)Background: Treatment decisions for aortic valve replacement (AVR) should be sensitive to patient preferences. However, we lack knowledge of patient preferences and how to obtain them. Methods and Results: We assessed ... -
Fully automatic estimation of global left ventricular systolic function using deep learning in transesophageal echocardiography
Berg, Erik Andreas Rye; Tasken, Anders Austlid; Nordal, Trym; Grenne, Bjørnar Leangen; Espeland, Torvald; Garstad, Idar Kirkeby; Dalen, Håvard; Holte, Espen; Stølen, Stian Bergseng; Aakhus, Svend; Kiss, Gabriel Hanssen (Journal article, 2023)Aims To improve monitoring of cardiac function during major surgery and intensive care, we have developed a method for fully automatic estimation of mitral annular plane systolic excursion (auto-MAPSE) using deep learning ... -
Impaired right ventricular function in long-term survivors of allogeneic haematopoietic stem-cell transplantation
Massey, Richard; Diep, Phoi Phoi; Burman, Marta Maria; Kvaslerud, Anette Borger; Brinch, Lorentz; Aakhus, Svend; Gullestad, Lars; Ruud, Ellen; Beitnes, Jan Otto (Journal article; Peer reviewed, 2021)Aims Survivors of allogeneic haematopoietic stem-cell transplantation (allo-HSCT) are at higher risk of cardiovascular disease. We aimed to describe right ventricular (RV) systolic function and risk factors for RV dysfunction ... -
Increased complement factor B and Bb levels are associated with mortality in patients with severe aortic stenosis
Shahini, Negar; Ueland, Thor; Auensen, Andreas; Michelsen, Annika; Ludviksen, Judith K; Hussain, Amjad Iqbal; Pettersen, Kjell; Aakhus, Svend; Espeland, Torvald; Lunde, Ida Gjervold; Kirschfink, Michael; Nilsson, Per; Mollnes, Tom Eirik; Gullestad, Lars; Aukrust, Pål; Yndestad, Arne; Louwe, Maria Cornelia (Journal article; Peer reviewed, 2019)Inflammation is involved in initiation and progression of aortic stenosis (AS). However, the role of the complement system, a crucial component of innate immunity in AS, is unclear. We hypothesized that circulating levels ... -
Interleukin-6 receptor inhibition with tocilizumab induces a selective and substantial increase in plasma IP-10 and MIP-1β in non-ST-elevation myocardial infarction
Kleveland, Ola; Ueland, Thor; Kunszt, Gabor; Bratlie, Marte; Yndestad, Arne; Broch, Kaspar; Holte, Espen; Ryan, Liv; Amundsen, Brage H.; Bendz, Bjørn; Aakhus, Svend; Espevik, Terje; Halvorsen, Bente; Mollnes, Tom Eirik; Wiseth, Rune; Gullestad, Lars; Aukrust, Pål; Damås, Jan Kristian (Journal article; Peer reviewed, 2018)Aim To evaluate the effect of interleukin-6 inhibition with tocilizumab on the cytokine network in patients with acute non-ST-elevation myocardial infarction (NSTEMI). Methods 117 patients with acute NSTEMI were randomised ... -
Left ventricular diastolic dysfunction predicts mortality in patients with systemic sclerosis
Tennøe, Anders; Murbræch, Klaus; Andreassen, Johanna; Fretheim, Håvard Halland; Garen, Torhild Oddveig; Gude, Einar; Andreassen, Arne K.; Aakhus, Svend; Molberg, Øyvind; Hoffmann-Vold, Anna-Maria (Journal article; Peer reviewed, 2018)Background Primary cardiac affection is common and is a major cause of death in systemic sclerosis (SSc), but there are knowledge gaps regarding the effect of cardiac dysfunction on mortality. Objectives The purpose ... -
Left Ventricular Systolic Function in Long-Term Survivors of Allogeneic Hematopoietic Stem Cell Transplantation
Massey, Richard J; Diep, Phoi Phoi; Ruud, Ellen; Burman, Marta Maria; Kvaslerud, Anette Borger; Brinch, Lorentz; Aakhus, Svend; Gullestad, Lars; Beitnes, Jan Otto (Peer reviewed; Journal article, 2020)Background Allogeneic hematopoietic stem cell transplantation (allo-HSCT), a potentially curative therapy for malignant and nonmalignant diseases, is being increasingly used in younger patients. Although allo-HSCT survivors ... -
Mechanical wave velocities in left ventricular walls – in healthy subjects and patients with aortic stenosis
Espeland, Torvald; Wigen, Morten Smedsrud; Dalen, Håvard; Berg, Erik Andreas Rye; Hammer, Tommy Arild; Salles, Sebastien Andre Roger; Løvstakken, Lasse; Amundsen, Brage H.; Aakhus, Svend (Peer reviewed; Journal article, 2023)Background Mechanical wave velocity (MWV) measurement is a promising method for evaluating myocardial stiffness, because these velocities are higher in patients with myocardial disease. Objectives Using high frame ... -
Myokardfibrose
Espeland, Torvald; Lunde, Ida Gjervold; Amundsen, Brage H.; Gullestad, Lars; Aakhus, Svend (Journal article; Peer reviewed, 2018)BAKGRUNN Myokardfibrose oppstår sekundært til kardial belastning eller skade. I denne oversiktsartikkelen presenteres sentrale aspekter ved myokardfibrose. KUNNSKAPSGRUNNLAG Vi foretok 2 søk i PubMed som til sammen ... -
Predictors of early mortality after transcatheter aortic valve implantation
Kjønås, Didrik; Dahle, Gry; Schirmer, Henrik; Malm, Siri; Eidet, Jo; Aaberge, Lars; Steigen, Terje; Aakhus, Svend; Busund, Rolf; Rösner, Assami (Journal article; Peer reviewed, 2019)Objectives To investigate whether preoperative echocardiographic evaluation of ventricular function, especially right ventricular systolic and diastolic parameters including speckle-tracking analysis, could aid in the ... -
Prevalence, risk factors, and type of sleep apnea in patients with paroxysmal atrial fibrillation
Traaen, Gunn Marit; Øverland, Britt; Aakerøy, Lars; Hunt, Tove Elizabeth Frances; Bendz, Christina; Leif Magne, Sande; Aakhus, Svend; Zare, Hasse Khiabani; Steinshamn, Sigurd Loe; Anfinsen, Ole-Gunnar; Loennechen, Jan Pål; Gullestad, Lars; Akre, Harriet (Peer reviewed; Journal article, 2019)Background Recent studies have suggested an association between sleep apnea (SA) and atrial fibrillation (AF). We aimed to study the prevalence, characteristics, risk factors and type of sleep apnea (SA) in ablation ... -
Quantification of Flow Rates and Flow Volumes in Valve Regurgitation Using 3-D High Frame-Rate Ultrasound
Fiorentini, Stefano; Berg, Erik Andreas Rye; Torp, Hans Garman; Aakhus, Svend; Avdal, Jørgen (Journal article; Peer reviewed, 2023)Valve regurgitation is a cardiac condition caused by the incomplete closure of a cardiac valve. Untreated, this condition may result in cardiac failure. Regular monitoring of this condition is essential in guiding the ...