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Clinical Chemistry 9: 710-716, 1963;
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Clinical Chemistry, Vol 9, 710-716, Copyright © 1963 by the American Association for Clinical Chemistry

Hemoglobin at High Altitude as Related to Age

D. B. Dill 1, J. W. Terman 1, and F. G. Hall 1

1 Department of Anatomy and Physiology, Indiana University, Bloomington. Ind.

During the summer of 1962 the early phase of acclimatization to high altitude was studied in 6 of those who participated in the international high-altitude expedition to Chile in 1935. Ages of the 6 ranged from 58 to 71. Two also had taken part in a high-altitude study in 1929. In their earlier years these subjects had had an increase in hemoglobin concentration beginning with their arrival at high altitude. This response has been well established, especially by the Pike's Peak party led by Haldane and the work of Hurtado and associates in Peru. On the other hand, 5 of the 6 in the 1962 party exhibited a decrease in hemoglobin concentration during the first few days. The greatest decrease was observed in the oldest subject. His hemoglobin was 88% of his sea level value after 9 days at altitude and remained below his sea level value for another week. No observations were made on blood volume; hence, we can only speculate regarding possible related changes.






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Copyright © 1963 by the American Association for Clinical Chemistry.