Browsing Bergen Open Research Archive by Author "Ellensen, Vegard Skalstad"
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Intimal Hyperplasia. Experimental and Clinical Studies
Ellensen, Vegard Skalstad (Doctoral thesis, 2014-10-27)Introduction: Intimal hyperplasia (IH) is recognized as the primary cause of reocclusion 2-24 months following vascular intervention and surgery, reportedly occurring in 30-50% of patients. It is an exaggerated form of the ... -
Loss of life years due to unavailable helicopter emergency medical service: a single base study from a rural area of Norway
Zakariassen, Erik; Østerås, Øyvind; Nystøyl, Dag Ståle; Breidablik, Hans Johan; Solheim, Eivind; Brattebø, Guttorm; Ellensen, Vegard Skalstad; Hoff, Jana Midelfart; Hordnes, Knut; Aksnes, Arne; Heltne, Jon-Kenneth; Hunskaar, Steinar; Hotvedt, Ragnar (Peer reviewed; Journal article, 2019)Background: Despite the potential benefits of physician-staffed Helicopter Emergency Medical Service (HEMS), many dispatches to primary HEMS missions in Norway are cancelled before patient encounter. Information is sparse ... -
Mechanical behavior and collagen structure of degenerative mitral valve leaflets and a finite element model of primary mitral regurgitation
Sadeghinia, Mohammadjavad; Aguilera, Hans Martin Dahl; Urheim, Stig; Persson, Robert; Ellensen, Vegard Skalstad; Haaverstad, Rune; Holzapfel, Gerhard; Skallerud, Bjørn Helge; Prot, Victorien Emile (Journal article; Peer reviewed, 2023)Degenerative mitral valve disease is the main cause of primary mitral regurgitation with two phenotypes: fibroelastic deficiency (FED) often with localized myxomatous degeneration and diffuse myxomatous degeneration or ... -
Morbidity and Mortality after Emergency and Urgent Colorectal Surgery for Malignant and Benign Disease
Ellensen, Vegard Skalstad; Elshove-Bolk, Jolande; Baatrup, Gunnar (Peer reviewed; Journal article, 2009)Abstract: Aim: The aim of this study was to determine short and long-term morbidity and mortality rates after emergency colorectal surgery for benign and malignant disease in a high volume tertiary referral hospital in ... -
Quantified planar collagen distribution in healthy and degenerative mitral valve: biomechanical and clinical implications
Sadeghinia, Mohammad Javad; Persson, Robert; Ellensen, Vegard Skalstad; Haaverstad, Rune; Holzapfel, Gerhard; Skallerud, Bjørn Helge; Prot, Victorien Emile; Urheim, Stig (Journal article; Peer reviewed, 2024)Degenerative mitral valve disease is a common valvular disease with two arguably distinct phenotypes: fibroelastic deficiency and Barlow’s disease. These phenotypes significantly alter the microstructures of the leaflets, ...