Altitude Tolerance of General Aviation Pilots with Normal or Partially Impaired Spirometric Function

Lategola M.T.; Flux M.; Lyne P.J.; Civil Aerospace Medical Institute

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Altitude Tolerance of General Aviation Pilots with Normal or Partially Impaired Spirometric Function

1977-07-01
By Lategola M.T. ; Flux M. ; Lyne P.J.

[PDF-347.14 KB]

English

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Creators:

Lategola M.T. ; Flux M. ; Lyne P.J.

Lategola M.T. ; Flux M. ; Lyne P.J. Less -
Corporate Creators:

Civil Aerospace Medical Institute
Subject/TRT Terms:

[+]

Age Air Pilots Altitude Altitudes Blood Pressure Diseases And Medical Conditions Electrocardiography Experiments Human Subject Testing Lungs Lungs--Diseases, Obstructive Spirometry
Publication/ Report Number:

DOT/FAA/AM-77/16
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

The altitude tolerance of 10 spirometrically impaired (SI) general aviation pilots with an average forced midexpiratory flow (FEF sub 25-75%) value of 65.1 percent was compared to that of 10 spirometrically normal (SN) pilots. Cardiorespiratory parameters assessed at ground level (GL) and at 8,000- and 12,500-ft altitudes were blood pressure, pulmonary ventilation, oxyhemoglobin saturation, temporal artery flow velocity, heart rate, and single-lead electrocardiogram.

Although altitude exposure quantitatively displaced the SI group more than the SN group, the differences were not statistically significant at the probability level of 0.05. Unifocal premature ventricular contractions were present at GL in three of the pilots and showed no further changes at altitude. Therefore, the mean FEF sub 25-75% value of 65 percent of predicted normal for the SI group becomes a reasonable option as an objective screening norm for acceptable tolerance to general aviation altitudes in the ambient-air-breathing range.
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PDF
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

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urn:sha256:eac7936e44abc19d3ff40d035bf214d43ef70d6b2696f94ddbfc35b84ab6ef31
Download URL:

https://rosap.ntl.bts.gov/view/dot/21109/dot_21109_DS1.pdf
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Altitude Tolerance of General Aviation Pilots with Normal or Partially Impaired Spirometric Function

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