The hazards of fasting hypoglycemia have been emphsized to the flying population for many years. An investigation of its possible occurrence during high-performance aircraft flight is the purpose of this study. Blood samples were drawn from seven normal male subjects with an automatic blood sampler at intervals before, during and after two-hour flights in an NF-100F aircraft and a six-hour flight in a C-97 for measurement of blood glucose levels. No incidence of hypoglycemia was found. Most subjects showed a significant increase in blood glucose at or just prior to takeoff in the NF-100F, never reaching hyperglycemic levels. There was no secondary rise on landing. No significant changes were seen during the C-97 flight. The initial increase at takeoff probably represents epinephrine effect partially inhibited by the slight increase in altitude and hyperventilation. Possible factors during flight affecting blood glucose are discussed. (Author)
Blood Glucose During High-Performance Aircraft Flight
1969
8 pages
Report
No indication
English
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