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Τίτλος: Rightward and leftward head rotation influence the geometric features of the healthy carotid bifurcation
Συγγραφείς: Brott, Brigitta C. 
Aristokleous, Nicolas 
Seimenis, Ioannis 
Papaharilaou, Yannis 
Georgiou, Georgios C. 
Anayiotos, Andreas 
metadata.dc.contributor.other: Αριστοκλέους, Νικόλας
Αναγιωτός, Ανδρέας
Major Field of Science: Medical and Health Sciences
Field Category: Clinical Medicine
Λέξεις-κλειδιά: Carotid bifurcation;Hemodynamic;Wall shear stress;Carotid geometry
Ημερομηνία Έκδοσης: 2011
Πηγή: AASME Summer Bioengineering Conference, Pennsylvania, USA, 22–25 June, 2011
Περίληψη: Posture changes may influence the geometry and hemodynamics of the carotid bifurcation [1]. As a result, head rotation may cause geometric changes that alter the hemodynamic variables previously cited to correlate with the development of atherosclerosis. Such variables include oscillating wall shear stress (WSS) and particle residence times. Glor et al. [1] had reported changes in the right carotid bifurcation geometry with leftward rotation of the head. We have previously reported that geometric differences in the right and left carotid bifurcation occur with a rightward rotation of the head [2]. To investigate the geometric changes in the carotid geometry that occur in the prone sleeping position with rightward and leftward head rotation, we have performed studies in two healthy young volunteers. We defined specific geometric parameters of the carotid bifurcation, such as bifurcation angle, internal carotid artery (ICA) angle, ICA planarity angle, in-plane asymmetry angle, tortuosity, curvature, area and diameter ratios, and compared their corresponding values in three head postures: 1) the supine neutral position, 2) the prone sleeping position with head rotation to the right (∼80 degrees), and 3) the prone sleeping position with head rotation to the left (∼80 degrees).
URI: https://hdl.handle.net/20.500.14279/4449
DOI: 10.1115/SBC2011-53243
Type: Conference Papers
Affiliation: Cyprus University of Technology 
Ayios Therissos Medical Diagnostic Center 
Foundation for Research & Technology-Hellas (F.O.R.T.H.) 
University of Cyprus 
University of Alabama 
Εμφανίζεται στις συλλογές:Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation

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