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A numerical analysis of the aortic blood flow pattern during pulsed cardiopulmonary bypass.
Gramigna, V; Caruso, M V; Rossi, M; Serraino, G F; Renzulli, A; Fragomeni, G.
Afiliación
  • Gramigna V; a Bioengineering Unit, Magna Graecia University , Catanzaro , Italy.
Comput Methods Biomech Biomed Engin ; 18(14): 1574-81, 2015.
Article en En | MEDLINE | ID: mdl-24962383
ABSTRACT
In the modern era, stroke remains a main cause of morbidity after cardiac surgery despite continuing improvements in the cardiopulmonary bypass (CPB) techniques. The aim of the current work was to numerically investigate the blood flow in aorta and epiaortic vessels during standard and pulsed CPB, obtained with the intra-aortic balloon pump (IABP). A multi-scale model, realized coupling a 3D computational fluid dynamics study with a 0D model, was developed and validated with in vivo data. The presence of IABP improved the flow pattern directed towards the epiaortic vessels with a mean flow increase of 6.3% and reduced flow vorticity.
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Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Aorta / Flujo Sanguíneo Regional / Flujo Pulsátil / Puente Cardiopulmonar / Hemodinámica / Modelos Cardiovasculares Límite: Humans Idioma: En Revista: Comput Methods Biomech Biomed Engin Asunto de la revista: ENGENHARIA BIOMEDICA / FISIOLOGIA Año: 2015 Tipo del documento: Article País de afiliación: Italia

Texto completo: 1 Colección: 01-internacional Banco de datos: MEDLINE Asunto principal: Aorta / Flujo Sanguíneo Regional / Flujo Pulsátil / Puente Cardiopulmonar / Hemodinámica / Modelos Cardiovasculares Límite: Humans Idioma: En Revista: Comput Methods Biomech Biomed Engin Asunto de la revista: ENGENHARIA BIOMEDICA / FISIOLOGIA Año: 2015 Tipo del documento: Article País de afiliación: Italia