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Related Experiment Video

Updated: May 23, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

EOS 2D/3D X-ray imaging system: a systematic review and economic evaluation.

C McKenna¹, R Wade, R Faria

¹Centre for Health Economics, University of York, York, UK.

Health Technology Assessment (Winchester, England)

|March 28, 2012

Summary

The EOS imaging system offers lower radiation doses and comparable or better image quality than standard X-rays for scoliosis evaluation. However, its high cost means it is not currently cost-effective for widespread use in the NHS.

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Published on: December 9, 2021

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Last Updated: May 23, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

Published on: December 9, 2021

Area of Science:

Orthopedics
Radiology
Health Technology Assessment

Background:

EOS is a biplane X-ray imaging system utilizing slot-scanning technology.
It aims to provide high-quality images with reduced radiation exposure compared to conventional methods.

Purpose of the Study:

To evaluate the clinical and cost-effectiveness of the EOS (two-dimensional/three-dimensional) X-ray imaging system.
Focus on its application in evaluating and monitoring scoliosis and other orthopedic conditions.

Main Methods:

A systematic review of studies comparing EOS with standard X-ray techniques (film, CR, DR) was conducted.
A decision-analytic model assessed cost-effectiveness, incorporating clinical effectiveness and radiation adverse effects over a lifetime horizon.

Main Results:

EOS demonstrated considerably lower radiation doses than standard X-rays, with comparable or better image quality.
Patient throughput is critical for cost-effectiveness; current national estimates suggest EOS is not cost-effective.
Achieving an incremental cost-effectiveness ratio of £30,000/QALY requires significantly higher EOS utilization compared to CR.

Conclusions:

Limited data quality and quantity were key limitations, particularly regarding health benefits beyond reduced radiation.
While radiation dose is lower, the long-term health benefits are minimal, and data on other patient benefits are lacking.
EOS cost-effectiveness is highly dependent on machine utilization; current national throughput estimates indicate it is not cost-effective.