Brian Selgrade:
Fluid Dynamics of a Centrifugal Left Ventricular Assist Device : High-shear Regions and Implications for von Willebrand Factor and Endothelialization - edizione con copertina flessibile
2011, ISBN: 3639360990
[EAN: 9783639360998], Neubuch, [PU: VDM Verlag Jun 2011], This item is printed on demand - Print on Demand Neuware - High shear stresses and shear rates in left ventricular assist devices… Altro …
[EAN: 9783639360998], Neubuch, [PU: VDM Verlag Jun 2011], This item is printed on demand - Print on Demand Neuware - High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely contribute to cleavage of large von Willebrand factor multimers and resulting bleeding problems in patients. To better understand shear in a centrifugal LVAD, flow was simulated using finite volume and computational fluid dynamics (CFD) analysis. The k- model simulated turbulence and sliding meshes were used to model the movement of the impeller. CFD results showed high-shear backflows in the radial gap between the impeller and the volute wall, but residence times in this region were under 5ms. It is unclear if this is sufficient to cleave VWF, and more study is necessary to determine if other areas in the LVAD have potential for VWF cleavage. Although the walls near the outlet experience low shear stress and may be good candidates for endothelialization, shear stresses above 20-30Pa on all other walls of the pump make the possibility of endothelial cell growth elsewhere in the LVAD unlikely. An LVAD designed specifically to have low shear may be a better candidate for endothelialization. 100 pp. Englisch<
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Brian Selgrade:
Fluid Dynamics of a Centrifugal Left Ventricular Assist Device - edizione con copertina flessibile
ISBN: 9783639360998
[ED: Taschenbuch], [PU: VDM Verlag], Neuware - High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely cont… Altro …
[ED: Taschenbuch], [PU: VDM Verlag], Neuware - High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely contribute to cleavage of large von Willebrand factor multimers and resulting bleeding problems in patients. To better understand shear in a centrifugal LVAD, flow was simulated using finite volume and computational fluid dynamics (CFD) analysis. The k- model simulated turbulence and sliding meshes were used to model the movement of the impeller. CFD results showed high-shear backflows in the radial gap between the impeller and the volute wall, but residence times in this region were under 5ms. It is unclear if this is sufficient to cleave VWF, and more study is necessary to determine if other areas in the LVAD have potential for VWF cleavage. Although the walls near the outlet experience low shear stress and may be good candidates for endothelialization, shear stresses above 20-30Pa on all other walls of the pump make the possibility of endothelial cell growth elsewhere in the LVAD unlikely. An LVAD designed specifically to have low shear may be a better candidate for endothelialization., DE, [SC: 2.00], Neuware, gewerbliches Angebot, 219x149x13 mm, 100, [GW: 169g], PayPal, Offene Rechnung, Banküberweisung, Sofortüberweisung, Internationaler Versand<
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Selgrade, Brian:
Fluid Dynamics of a Centrifugal Left Ventricular Assist Device - edizione con copertina flessibile
2011, ISBN: 9783639360998
[ED: Softcover], [PU: VDM Verlag Dr. Müller], High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely contr… Altro …
[ED: Softcover], [PU: VDM Verlag Dr. Müller], High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely contribute to cleavage of large von Willebrand factor multimers and resulting bleeding problems in patients. To better understand shear in a centrifugal LVAD, flow was simulated using finite volume and computational fluid dynamics (CFD) analysis. The k- model simulated turbulence and sliding meshes were used to model the movement of the impeller. CFD results showed high-shear backflows in the radial gap between the impeller and the volute wall, but residence times in this region were under 5ms. It is unclear if this is sufficient to cleave VWF, and more study is necessary to determine if other areas in the LVAD have potential for VWF cleavage. Although the walls near the outlet experience low shear stress and may be good candidates for endothelialization, shear stresses above 20-30Pa on all other walls of the pump make the possibility of endothelial cell growth elsewhere in the LVAD unlikely. An LVAD designed specifically to have low shear may be a better candidate for endothelialization.
2011. 100 S. 221 mm
Versandfertig in 6-10 Tagen, DE, [SC: 0.00], Neuware, gewerbliches Angebot, Offene Rechnung (Vorkasse vorbehalten)<
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(*) Libro esaurito significa che il libro non è attualmente disponibile in una qualsiasi delle piattaforme associate che di ricerca.
Brian Selgrade:
Fluid Dynamics of a Centrifugal Left Ventricular Assist Device - edizione con copertina flessibile
ISBN: 9783639360998
[ED: Taschenbuch], [PU: VDM Verlag], Neuware - High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely cont… Altro …
[ED: Taschenbuch], [PU: VDM Verlag], Neuware - High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely contribute to cleavage of large von Willebrand factor multimers and resulting bleeding problems in patients. To better understand shear in a centrifugal LVAD, flow was simulated using finite volume and computational fluid dynamics (CFD) analysis. The k- model simulated turbulence and sliding meshes were used to model the movement of the impeller. CFD results showed high-shear backflows in the radial gap between the impeller and the volute wall, but residence times in this region were under 5ms. It is unclear if this is sufficient to cleave VWF, and more study is necessary to determine if other areas in the LVAD have potential for VWF cleavage. Although the walls near the outlet experience low shear stress and may be good candidates for endothelialization, shear stresses above 20-30Pa on all other walls of the pump make the possibility of endothelial cell growth elsewhere in the LVAD unlikely. An LVAD designed specifically to have low shear may be a better candidate for endothelialization., DE, [SC: 0.00], Neuware, gewerbliches Angebot, 219x149x13 mm, 100, [GW: 169g], PayPal, Offene Rechnung, Banküberweisung, Internationaler Versand<
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Fluid Dynamics Of A Centrifugal Left Ventricular Assist Device Brian Selgrade Author - nuovo libro
ISBN: 9783639360998
High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely contribute to cleavage of large von Willebrand fact… Altro …
High shear stresses and shear rates in left ventricular assist devices (LVADs) make endothelialization of the LVAD difficult and likely contribute to cleavage of large von Willebrand factor multimers and resulting bleeding problems in patients. To better understand shear in a centrifugal LVAD, flow was simulated using finite volume and computational fluid dynamics (CFD) analysis. The k-ω model simulated turbulence and sliding meshes were used to model the movement of the impeller. CFD results showed high-shear backflows in the radial gap between the impeller and the volute wall, but residence times in this region were under 5ms. It is unclear if this is sufficient to cleave VWF, and more study is necessary to determine if other areas in the LVAD have potential for VWF cleavage. Although the walls near the outlet experience low shear stress and may be good candidates for endothelialization, shear stresses above 20-30Pa on all other walls of the pump make the possibility of endothelial cell growth elsewhere in the LVAD unlikely. An LVAD designed specifically to have low shear may be a better candidate for endothelialization. Trade Books>Trade Paperback>Medicine>Medical Ref>Med Ref, VDM Verlag Core >1<
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