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Engineering Human Stasis for Long-Duration Spaceflight.

Claire A Nordeen¹, Sandra L Martin²

¹Department of Emergency Medicine, Harborview Medical Center, University of Washington , Seattle, Washington.

Physiology (Bethesda, Md.)

|February 7, 2019

Summary

This summary is machine-generated.

Suspended animation for space travel is becoming a reality. Mimicking natural hibernation offers the best approach to overcome human physiological limits for long-duration space missions.

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Area of Science:

Astrobiology
Human Physiology
Biomedical Engineering

Background:

Deep-space travel necessitates solutions for prolonged human survival.
Current medical practices like therapeutic hypothermia offer limited applicability for long-duration missions.
Natural hibernation in animals presents a biological model for metabolic suppression.

Purpose of the Study:

To evaluate two primary approaches to inducing suspended animation for space travelers.
To assess the feasibility of therapeutic hypothermia for long-duration spaceflight.
To explore the potential of mimicking natural hibernation processes in humans.

Main Methods:

Review of current medical applications of therapeutic hypothermia.
Analysis of the metabolic pathways and physiological adaptations of hibernating animals.
Comparative assessment of the limitations and benefits of each approach for space travel.

Main Results:

Therapeutic hypothermia has inherent limitations for extended durations.
Natural hibernation involves complex metabolic cascades that significantly reduce energy requirements.
Mimicking natural hibernation presents a promising, albeit challenging, avenue for enabling long-duration space travel.

Conclusions:

Human physiology presents significant hurdles for long-duration space travel.
Inducing suspended animation by mimicking natural hibernation is critical for future deep-space exploration.
Further research into the biological mechanisms of hibernation is essential for developing effective space travel technologies.