Hydrodynamic function of tilting disc prostheses and bileaflet ... | 合法醫療器材資訊網
![Hydrodynamic function of tilting disc prostheses and bileaflet ...](https://i.imgur.com/6y29Lx7.jpg)
由MStrüber著作·1996·被引用18次—Ahydrodynamicadvantagefortheuseofamitralvalvelargerthan#25wasfoundonlywiththecombinationofalargeaorticprosthesisandhighflow.
![Hydrodynamic function of tilting disc prostheses and bileaflet ...](https://i.imgur.com/6y29Lx7.jpg)
Objective: To determine the energy loss attributable to prosthetic valve size and design in double valve replacement, energy consumption of mitral valves (size #25 to #29), of two different designs (Bjork Shiley tilting disc and Carbomedics bileaflet valves), in combination with a small (#21) and large sized (#27) aortic prosthesis, were analyzed in a flow simulator.
Methods: A pulsatile flow simulator was used to reproduce physiological ventricular dynamics and to match the input and output impedances of the human left ventricle. Hydrodynamic performance was determined as stroke work, closing work and leak work for each combination of valves at low flow (5 liters per minute) and high flow (9 liters per minute) conditions.
Results: At low flow no decrease of energy requirement was found with the use of a mitral valve larger than #25. At high flow the #27 and #29 mitral valves requir...
Bileaflet | 合法醫療器材資訊網
Bileaflet | 合法醫療器材資訊網
Bileaflet | 合法醫療器材資訊網
Hydrodynamic function of tilting disc prostheses and bileaflet ... | 合法醫療器材資訊網
Mechanical Heart Valves | 合法醫療器材資訊網
Orientation of tilting disc and bileaflet aortic valve ... | 合法醫療器材資訊網
Tilting disc versus bileaflet aortic valve substitutes ... | 合法醫療器材資訊網
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