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Currently, two principles of the kidney preservation (hypothermic machine perfusion; HMP and cold storage; CS) are generally used in kidney transplantation. Both HMP and CS are developed base on the suitable conditions that can maintain the kidney function. In this study, the vascular impedance of kidney was investigated. This experiment aims to comparison the impedance between HMP and CS methods...
Ventricular assist device (VAD) is used in heart failure patient. VAD works instead of heart function. The disadvantage of current VAD is a constant pump speed that is manually adjusted. However, the constant of pump speed is not providing the constant of pump flow. Therefore, the flow control or manually adjust is an important for maintain blood circulation in patient. In this research, the automatic...
During left ventricular support by rotary blood pumps (RBPs), pump speed plays an important role in the amount of heart support. The reducing of pump speed seems important in order to prevent some adverse events in the heart valve. However, when pump speed was reduced, the backflow which is the flow that has the reverse direction to blood pumping direction may occur more easily. This is due to the...
Left ventricular assist devices (LVADs) have confident in treatment for end-stage heart failure. The mainly development of LVADs design based on a rotary blood pump (RBP) technology for both long-term and short-term supports. The first generation of LVADs was the pulsatile system based on volume displacement technology. For the second generation of LVADs, novel LVADs were developed to be a non-pulsatile...
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