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August 18, 2025AJP Heart and Circulatory PhysiologyOpen Access

Persisting Elevation of Total Hemoglobin Mass After Altitude Training in Elite Swimmers: a Potential Role of Prolonged Erythrocyte Survival

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Authors

RCRomain CarinCFCorentin FaucherPCPhilippe Connes

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Overview

Self-controlled trial shows increased total hemoglobin mass in elite swimmers after altitude training, highlighting prolonged erythrocyte survival.

Key Points

  • Total hemoglobin mass increased significantly after the altitude training, persisting 10 days post-training.
  • RBC senescence markers rose after training, with total hemoglobin mass still elevated at follow-up.
  • Live High-Train High (LHTH) camp conducted at 1850 m revealed changes in red blood cell properties.
  • Findings suggest prolonged red blood cell survival may explain sustained hemoglobin mass increase post-training.

Cite This Study

Carin et al. (2025) studied this question.

synapsesocial.com/papers/68af33efcf1dd9ea359e9635https://doi.org/10.1152/ajpheart.00334.2025
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