Hormonal changes in normal and polycythemic high-altitude natives.

  title={Hormonal changes in normal and polycythemic high-altitude natives.},
  author={A M Antezana and Jean Paul Richalet and I Noriega and Marta G Galarza and G A Antezana},
  journal={Journal of applied physiology},
  volume={79 3},
Acute and chronic exposure to high-altitude (HA) hypoxia inhibits the renin-angiotensin-aldosterone system and may modify the release of atrial natriuretic peptide (ANP) in sea-level (SL) natives. In HA natives, the release of these hormones could be influenced by changes in blood volume or pulmonary arterial pressure. Twenty-four men residing in La Paz, Bolivia, at 3,600 m were separated into two groups: one normocythemic (HAN; with hematocrit < 57%; n = 13) and the other polycythemic (HAP… CONTINUE READING


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