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Energy Conservation in MRI: Sequence Selection and Operational Strategies
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DOI：10.1016/j.acra.2026.06.011.png)
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Abstract
En 中文
The healthcare system accounts for approximately 9.8% of the United States’ (U.S.) greenhouse gas emissions, much of which is due to imaging, particularly magnetic resonance imaging (MRI). This study investigates the components of MRI energy consumption and compares sequences that may be interchangeable in clinical practice. Although the greatest potential for decreasing energy expenditure lies in reduction of inappropriate imaging and optimizing energy consumption of idle MRI equipment, sequence substitution offers an underexplored solution that can potentially be implemented without changing practice patterns or capital expenditure.
Keywords:
3D FLAIR
Three-dimensional fluid-attenuated inversion recovery
DTI
Diffusion tensor imaging
EPM
Eco-Power Mode
ep2D DWI
Two dimensional echo planar imaging diffusion-weighted imaging
FLAIR
Fluid-attenuated inversion recovery
HASTE
Half-Fourier acquisition single-shot turbo spin-echo
kWh
Kilowatt-hour
MRI
Magnetic resonance imaging
MIE
Medical imaging equipment
STIR
Short tau inversion recovery
T1 TSE
T1 turbo spin-echo
T2 TSE FS
T2 turbo spin-echo-weighted fat-saturated
T2 TSE
T2 turbo spin-echo
U.S.
United States
VIBE
Volumetric interpolated breath-hold examination
MRI
Sustainability
Protocols
Sequences
Scope 2 emissions
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