scholarly journals Computational fluid dynamic study of hemodynamic effects on aortic root blood flow of systematically varied left ventricular assist device graft anastomosis design

2015 ◽  
Vol 150 (3) ◽  
pp. 696-704 ◽  
Author(s):  
Andrew Callington ◽  
Quan Long ◽  
Prashant Mohite ◽  
Andre Simon ◽  
Tarun Kumar Mittal
Keyword(s):  
Blood Flow ◽  
Left Ventricular Assist Device ◽  
Computational Fluid Dynamic ◽  
Ventricular Assist Device ◽  
Fluid Dynamic ◽  
Left Ventricular ◽  
Hemodynamic Effects ◽  
Assist Device ◽  
Ventricular Assist ◽  
Left Ventricular Assist

Effect of Variation in Systemic Blood Flow on Plasma TNF-alpha in a Pig Model with Left Ventricular Assist Device

2001 ◽  
Vol 25 (2) ◽  
pp. 146-150
Author(s):  
Yasuhiro Uozaki ◽  
Walid C. Dihmis ◽  
Hidetoshi Yamauchi ◽  
Madeleine Moczar ◽  
Masatoshi Miyama ◽  
...  
Keyword(s):  
Blood Flow ◽  
Left Ventricular Assist Device ◽  
Ventricular Assist Device ◽  
Left Ventricular ◽  
Tnf Alpha ◽  
Systemic Blood ◽  
Systemic Blood Flow ◽  
Assist Device ◽  
Ventricular Assist ◽  
Left Ventricular Assist

scholarly journals NUMERICAL STUDY FOR FLOW IN PHOENIX LEFT VENTRICULAR ASSIST DEVICE AT PEAK SYSTOLE

2004 ◽  
Vol 16 (06) ◽  
pp. 337-343
Author(s):  
CHEUNG-HWA HSU
Keyword(s):  
Left Ventricular Assist Device ◽  
Ventricular Assist Device ◽  
Numerical Solutions ◽  
Numerical Study ◽  
Fluid Dynamic ◽  
Left Ventricular ◽  
Assist Device ◽  
Ventricular Assist ◽  
Blood Flows ◽  
Left Ventricular Assist

The Phoenix left ventricular assist device is driven by pneumatic pump outside a human body to provide air flow in-and-out of a pneumatic diaphragm inside the blood chamber. The inflation and deflation of the diaphragm drives the blood flows. At peak systole, blood flows into aorta with a maximum flow rate both from natural ventricle and artificial ventricle. To assess the critical condition, blood flow pattern of the device at peak systole is studied. We apply the finite volume method with ϰ – ε turbulent model to simulate the steady flow at peak systole. Results provide a comprehension of fluid dynamic effect not only the region inside the ventricle but also that in the vicinity of the inflow channel and outflow valves of flow field. The numerical results show that maximum velocities were smaller within the ventricular chamber with bi-leaflet outflow valve than with tilting disk outflow valve. Analysis of the numerical solutions suggests that geometry similar to the bi-leaflet outflow valve results in a better flow dynamics within the ventricle chamber compared to a tilting disk valve.

scholarly journals Central and Peripheral Blood Flow During Exercise With a Continuous-Flow Left Ventricular Assist Device

2011 ◽  
Vol 4 (5) ◽  
pp. 554-560 ◽  
Author(s):  
Patrice Brassard ◽  
Annette S. Jensen ◽  
Nikolai Nordsborg ◽  
Finn Gustafsson ◽  
Jacob E. Møller ◽  
...  
Keyword(s):  
Blood Flow ◽  
Left Ventricular Assist Device ◽  
Ventricular Assist Device ◽  
Peripheral Blood ◽  
Continuous Flow ◽  
Left Ventricular ◽  
Peripheral Blood Flow ◽  
Assist Device ◽  
Ventricular Assist ◽  
Left Ventricular Assist

Effects of Left Ventricular Assist Device Support and Outflow Graft Location Upon Aortic Blood Flow

ASAIO Journal ◽  
2004 ◽  
Vol 50 (5) ◽  
pp. 432-437 ◽  
Author(s):  
Kenneth N. Litwak ◽  
Steven C. Koenig ◽  
Hiroyuki Tsukui ◽  
Shin???ichiro Kihara ◽  
Zhongjun Wu ◽  
...  
Keyword(s):  
Blood Flow ◽  
Left Ventricular Assist Device ◽  
Ventricular Assist Device ◽  
Left Ventricular ◽  
Aortic Blood Flow ◽  
Assist Device ◽  
Ventricular Assist ◽  
Aortic Blood ◽  
Left Ventricular Assist ◽  
Outflow Graft
Sign in / Sign up

Export Citation Format

Share Document