Abstract #5416

Creating a Greener Outpatient MRI Facility: Enhancing Sustainability and Energy Efficiency through Fast Imaging Techniques

Azadeh Tabari¹, Min Lang², Wei-Ching Lo³, Amy Becker⁴, Vibhas Deshpande⁵, Pan Su⁵, Sean Woolen⁴, and Susie Y Huang⁶

¹Massachusetts General Hospital, Boston, MA, United States, ²Brigham and Women's Hospital, Boston, MA, United States, ³5Siemens Medical Solutions USA, Boston, MA, USA, Boston, MA, United States, ⁴Department of Radiology and Biomedical Imaging, University of California–San Francisco, CA, USA, San Francisco, CA, United States, ⁵Siemens Medical Solutions USA, Inc, San Francisco, CA, USA, San Francisco, CA, United States, ⁶Department of Radiology, Massachusetts General Hospital, Harvard Medical School, MA, USA, Boston, MA, United States

Synopsis

Keywords: Sustainability

Motivation: Reducing MRI acquisition time has the potential to improve energy efficiency, decrease electricity costs, and lower associated carbon emissions.

Goal(s): To evaluate the impact of implementing fast MRI techniques on energy consumption, electricity costs, and carbon savings for four commonly performed MRI examinations.

Approach: We compared scan times, energy usage, and cost in four identical outpatient 70-cm-bore 3T MRI scanners before and after implementing fast MR techniques.

Results: Accelerated MRI sequences resulted in a 20%-62% reduction in scan time. Corresponding energy savings ranged from 3.69-12.59 kWh per scan, with cost reductions of up to 62% and carbon-savings of up to 59%.

Impact: The implementation of fast MRI sequences significantly reduced the acquisition times for common outpatient MRI protocols, leading to higher energy efficiency during active net scan time and system-on modes and ultimately substantial sustainability and cost-saving potential.

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