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Age-Related Erythrocyte Structure and Rheological Blood Properties in Athletes

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Abstract

The relationship between the rheological blood properties and several indices of age-related erythrocyte structure was established in endurance-training athletes (n = 21). Unlike nonathletic subjects, the athletes had a shift in the age-related structure towards younger erythrocyte forms: reticulocytosis, increased erythrocyte resistance, increased percentage of cells with a diameter exceeding 8 μm, and decreased percentage of cells with a diameter of less than 7 μm. The established correlations between total reticulocyte concentration, mature and immature reticulocyte concentrations, and percentage of cells with a diameter either exceeding 8 μm or less than 7 μm, on the one hand, and hemorheological parameters (blood viscosity, erythrocyte suspension viscosity, erythrocyte aggregation, and surface/volume ratio) and physical work capacity, on the other hand, revealed a significant effect of younger erythrocyte forms on hemorheological indices in athletes.

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Authors and Affiliations

  1. Ushinskii State Pedagogical University, Yaroslavl, Russia

    A. A. Mel'nikov & A. D. Vikulov

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  1. A. A. Mel'nikov
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  2. A. D. Vikulov
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Mel'nikov, A.A., Vikulov, A.D. Age-Related Erythrocyte Structure and Rheological Blood Properties in Athletes. Human Physiology 28, 214–218 (2002). https://doi.org/10.1023/A:1014818618374

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