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Suitable hemolysis index for low-flow rotary blood pumps

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  • Artificial Heart (Basic)
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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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Acknowledgements

The authors express their gratitude to Senko Medical Instrument Mfg. Co. for providing the test pumps.

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Authors and Affiliations

  1. Kobe University, Kobe, Japan

    Takashi Yamane & Kazuki Adachi

  2. National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan

    Takashi Yamane, Ryo Kosaka, Osamu Maruyama & Masahiro Nishida

Authors
  1. Takashi Yamane
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  2. Kazuki Adachi
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  3. Ryo Kosaka
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  4. Osamu Maruyama
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  5. Masahiro Nishida
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Correspondence to Takashi Yamane.

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Yamane, T., Adachi, K., Kosaka, R. et al. Suitable hemolysis index for low-flow rotary blood pumps. J Artif Organs 24, 120–125 (2021). https://doi.org/10.1007/s10047-020-01218-4

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  • DOI: https://doi.org/10.1007/s10047-020-01218-4

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