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KMID : 1103620110210030056
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Korean Journal of Aerospace and Environmental Medicine
2011 Volume.21 No. 3 p.56 ~ p.61
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Mitigation of Decompression Sickness in U-2 Operations - Research Findings, Recommendations and Practice
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Woodrow Andrew D.
Webb James T.
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Abstract
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Background: Decompression sickness (DCS) is a common hazard in the U-2 high altitude reconnaissance aircraft. For those pilots who appear to be more susceptible to DCS, several procedures could reduce the mission impact including: increased ground level or in-flight denitrogenation, suit pressure applied early in the mission, or inclusion of a 10-min period of strenuous, upper- and lower-body exercise at the beginning of a 60-min prebreathe.
Methods: A procedure referred to as Exercise During Pre-breathe (EDP) provided significantly better protection from DCS than an equal period of resting pre-oxygenation for most subjects tested.
Results: The use of EDP was introduced to all sorties in the U-2 program beginning in April 2010.
Conclusion: This report documents the background, actions, results, and recommendations relating to enhancement of pre-oxygenation with exercise for pilots who require additional protection from the symptoms of DCS.
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KEYWORD
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Decompression sickness symptoms, Exercise during pre-breathing, Exercise enhanced Pre-breathing
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