Browsing St. Olavs hospital by Author "Aakhus, Svend"
Now showing items 1-15 of 15
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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 ... -
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 ... -
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 ... -
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 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 ... -
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 ... -
Randomized Trial of Interleukin-6 Receptor Inhibition in Patients With Acute ST-Segment Elevation Myocardial Infarction
Broch, Kaspar; Anstensrud, Anne Kristine; Woxholt, Sindre; Sharma, Kapil Kishore; Tøllefsen, Ingvild Maria; Bendz, Bjørn; Aakhus, Svend; Ueland, Thor; Amundsen, Brage H.; Damås, Jan Kristian; Berg, Erlend; Bjørkelund, Elisabeth; Bendz, Christina; Hopp, Einar; Kleveland, Ola; Stensæth, Knut Haakon; Opdahl, Anders; Kløw, Nils-Einar; Seljeflot, Ingebjørg; Andersen, Geir Øystein; Wiseth, Rune; Aukrust, Pål; Gullestad, Lars (Journal article; Peer reviewed, 2021)Background - Prompt myocardial revascularization with percutaneous coronary intervention (PCI) reduces infarct size and improves outcomes in patients with ST-segment elevation myocardial infarction (STEMI). However, as ... -
Reduced exercise capacity is associated with left ventricular systolic dysfunction in long-term survivors of allogeneic hematopoietic stem-cell transplantation
Massey, Richard; Myrdal, Ole Henrik; Diep, Phoi Phoi; Dirdal, Marta Maria; Brinch, Lorentz; Gullestad, Lars; Ruud, Ellen; Aakhus, Svend; Beitnes, Jan Otto (Peer reviewed; Journal article, 2022)Purpose Exercise intolerance is a common complication in survivors of allogeneic hematopoietic stem-cell transplantation (allo-HSCT). The aim of this study was to determine if cardiac function measured with echocardiography ... -
Risk scores for prediction of 30-day mortality after transcatheter aortic valve implantation: Results from a two-center study in Norway
Kjønås, Didrik; Dahle, Gro; Schirmer, Henrik; Malm, Siri; Eidet, Jo; Aaberge, Lars; Steigen, Terje; Aakhus, Svend; Busund, Rolf; Røsner, Assami (Journal article; Peer reviewed, 2021)Objectives Transcatheter aortic valve implantation (TAVI)-specific risk scores have been developed based on large registry studies. Our aim was to evaluate how both surgical and novel TAVI risk scores performed in predicting ... -
Treatment of sleep apnea in patients with paroxysmal atrial fibrillation: design and rationale of a randomized controlled trial
Traaen, Gunn Marit; Aakerøy, Lars; Hunt, Tove Elisabeth F.; Øverland, Britt; Lyseggen, Erik; Aukrust, Pål; Ueland, Thor; Helle-Valle, Thomas Michael; Steinshamn, Sigurd Loe; Edvardsen, Thor; Zare, Hasse Khiabani; Aakhus, Svend; Akre, Harriet; Anfinsen, Ole-Gunnar; Loennechen, Jan Pål; Gullestad, Lars (Journal article; Peer reviewed, 2018)Rationale. Atrial fibrillation is associated with increased mortality as well as morbidity. There is strong evidence for an association between atrial fibrillation and sleep apnea. It is not known whether treatment of sleep ...