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Readings of peak-expiratory flow rate (PEFR) in twelve healthy alpinists at sea level (Lima) and at 3800 m (Yanganugo) show a significant slight fall with altitude (p less than 0.05). This study corroborates previous reports (Singh et al., 1969; Stockley et al., 1979). However, Forster (1983) taking in account the effect of air density on the functioning of peak-flow meter suggested that actual PEFR increases slightly with altitude. In the present study, corrected data show an increase of PEFR by about 3% at 3800 m, similar to Forster's results (at 4200 m). Air density must be considered in future studies in altitude and in estimation of clinical improvement of asthmatic people living in mountain health resort.
H Massen, and
E Boissinot, and
J Moline
January 2007,
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H Massen, and
E Boissinot, and
J Moline
July 1983,
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H Massen, and
E Boissinot, and
J Moline
August 2003,
Chest,
H Massen, and
E Boissinot, and
J Moline
October 1998,
Indian journal of physiology and pharmacology,
H Massen, and
E Boissinot, and
J Moline
September 1998,
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H Massen, and
E Boissinot, and
J Moline
May 1994,
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H Massen, and
E Boissinot, and
J Moline
April 1985,
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H Massen, and
E Boissinot, and
J Moline
January 1981,
Problemy medycyny wieku rozwojowego,
H Massen, and
E Boissinot, and
J Moline
October 1965,
British medical journal,
