What does this research mean for the field?

X-ray (XR) provides superior diagnostic utility for bony injuries, dental conditions, and some pulmonary conditions compared to ultrasound (US) in human spaceflight medical scenarios. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

What question did this study set out to answer?

Evaluate the diagnostic capabilities of X-ray compared to ultrasound for specific medical conditions in spaceflight.

February 19, 2026

X-Ray and Ultrasound for Human Spaceflight Using the NASA IMPACT Conditions List.

Key Points

Evaluate the diagnostic capabilities of X-ray compared to ultrasound for specific medical conditions in spaceflight.
Analysis based on the NASA IMPACT conditions list
Comparison of X-ray and ultrasound capabilities
Assessment of diagnostic utility for various injuries and conditions
Identification of resource implications for future missions
X-ray demonstrates superior diagnostic abilities for bony and dental injuries
Shows enhanced management capabilities for orthopedic reductions
Indicates better confirmation ability for device placements
Suggests practical augmentation for future space medical systems with portable radiography

Abstract

In over one-third of conditions, XR possesses unique capabilities either complementary or superior to US. XR possesses superior diagnostic utility for bony injuries, dental conditions, and some pulmonary conditions, and superior management capability for orthopedic reductions and device placement confirmation. This analysis suggests future missions may consider augmenting the medical system with portable radiography if resource constraints allow, and future work should quantify the risk reduction provided by this capability. Boyle MJ, Pohlen M, Lehnhardt K, Parmar P, Easter B. X-ray and ultrasound for human spaceflight using the NASA IMPACT conditions list. Aerosp Med Hum Perform. 2026; 97(3):176-184.

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