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Preflight screening techniques for centrifuge-simulated suborbital spaceflight.

James M Pattarini1, Rebecca S Blue, Tarah L Castleberry

  • 1University of Texas Medical Branch, Galveston, TX, USA.

Aviation, Space, and Environmental Medicine
|December 6, 2014
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Summary
This summary is machine-generated.

New screening methods are effective for approving individuals for commercial suborbital spaceflight, even those with some medical conditions. Further improvements are needed to identify anxiety responses during spaceflight simulation.

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Area of Science:

  • Spaceflight physiology
  • Aerospace medicine
  • Commercial spaceflight

Background:

  • Historically, spaceflight was limited to healthy individuals.
  • Commercial spaceflight necessitates screening spaceflight participants (SPFs) with comorbidities.
  • Preflight screening is crucial to identify risks associated with the space environment.

Purpose of the Study:

  • To evaluate the efficacy of screening methods for commercial suborbital spaceflight.
  • To assess the tolerance of potential SPFs to centrifuge-induced accelerations.
  • To determine the applicability of current screening processes to commercial spaceflight.

Main Methods:

  • Subjects completed medical questionnaires, physical examinations, and electrocardiograms.
  • Individuals with pre-existing conditions (e.g., hypertension, diabetes) provided medical documentation.
  • Screening processes were evaluated for suitability in commercial spaceflight operations.

Main Results:

  • 335 subjects registered; 86 participated in centrifuge trials.
  • Five subjects were disqualified, primarily for psychiatric reasons or uncontrolled medical conditions.
  • Four participants experienced adverse reactions, including back strain and anxiety.

Conclusions:

  • Current screening methods adequately identify individuals fit for simulated suborbital flight.
  • Enhanced methods are required to detect susceptibility to anxiety reactions.
  • Many participants with pre-existing conditions, previously disqualifying, tolerated simulated flight, indicating applicable screening techniques for commercial operations.