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Hepatitis in aviation personnel.

R Wesley Farr1, Paul D Kane

  • 1Naval Aerospace Medical Institute, Pensacola, FL, USA. wesfarr@pol.net

Aviation, Space, and Environmental Medicine
|April 12, 2003
PubMed
Summary

Naval aviators with hepatitis, primarily hepatitis C and B, often receive waivers if asymptomatic. Most remain medically qualified for flight, though some may develop symptoms later.

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Area of Science:

  • Aerospace Medicine
  • Hepatology
  • Public Health

Background:

  • Investigating hepatitis etiologies and aeromedical outcomes in naval aviation personnel.
  • Analyzing waiver requests for hepatitis within the Naval Aerospace Medical Institute database.

Purpose of the Study:

  • To determine the specific causes of hepatitis in naval aviators.
  • To assess the aeromedical outcomes for aviators with hepatitis who received waivers.
  • To identify risk factors and trends in hepatitis cases among naval flight personnel.

Main Methods:

  • Searched the Naval Aerospace Medical Institute's Biomedical Database for hepatitis waiver requests.
  • Reviewed records for hepatitis etiology, risk factors, and aeromedical outcomes.
  • Analyzed 48 initial and 95 follow-up waiver requests from July 1988 to May 2001.

Main Results:

  • Chronic hepatitis C (HCV) was the most common etiology (47.9%), followed by chronic hepatitis B (HBV) (35.4%).
  • Asian American aviators showed a disproportionately high rate of waiver requests for hepatitis, particularly HBV.
  • Waivers were granted in 66.7% of cases, with most recipients remaining asymptomatic; 70.8% ultimately received waivers, with few revocations.

Conclusions:

  • Most naval aviation personnel granted waivers for asymptomatic hepatitis maintain their flight status.
  • While some waiver recipients may develop symptomatic hepatitis, the majority remain asymptomatic throughout their careers.
  • Hepatitis C and B are significant concerns, with specific demographic groups showing higher prevalence.

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