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Suitable hemolysis index for low-flow rotary blood pumps
Takashi Yamane1,2, Kazuki Adachi3, Ryo Kosaka4
1Kobe University, Kobe, Japan. yamanetks53@gmail.com.
Abstract:
A suitable index is needed for hemolysis tests that use low-flow pumps, such as pediatric blood pumps or blood purification pumps. To create such an index, the present study investigates the change of plasma-free hemoglobin in the pump circuit with time and the change of the hemolysis rate with flow rate and impeller rotational speed. The results show that the hemolysis rate or the increase rate of the total free hemoglobin are suitable measures for hemolysis evaluation for low-flow pumps.
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