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Magnetic Resonance Imaging

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Updated: Mar 9, 2026

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Author Spotlight: Optimized Lung MRI Protocol with Computationally Efficient Reconstruction Methods

Published on: September 6, 2024

Reducing Functional MR Imaging Acquisition Times by Optimizing Workflow.

Wilson B Chwang¹, Michael Iv¹, Jason Smith¹

¹From the Department of Radiology, Stanford Health Care, Lucas Center for Imaging, 1201 Welch Rd, Room P271, Stanford, CA 94305.

Radiographics : a Review Publication of the Radiological Society of North America, Inc

|January 12, 2017

Summary

This summary is machine-generated.

Functional MRI acquisition times were reduced by optimizing workflow and implementing targeted interventions. This improved scheduling efficiency and patient satisfaction while maintaining diagnostic quality.

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Area of Science:

Neurology
Radiology
Medical Imaging

Background:

Functional magnetic resonance imaging (fMRI) is crucial for assessing hemispheric language lateralization.
Current fMRI protocols can be lengthy, posing scheduling challenges and impacting patient experience.
Optimizing fMRI workflow is essential for efficient clinical practice.

Purpose of the Study:

To reduce functional MRI acquisition times by enhancing workflow efficiency.
To implement quality improvement tools to streamline the fMRI examination process.
To improve patient comfort and satisfaction through reduced scan durations.

Main Methods:

A multidisciplinary team retrospectively reviewed fMRI examinations (January 2013 - August 2015).
Key drivers for lengthy acquisition times were identified: protocols, patient monitoring, stimuli, understanding, and motion.
Interventions included eliminating contrast, reducing paradigm repeats, updating checklists, and improving visual/audio stimuli.

Main Results:

Mean fMRI acquisition time decreased from 76.3 to 53.2 minutes.
Routine scheduling time for fMRI was reduced from 2 hours to 1 hour.
Diagnostic quality of fMRI examinations was maintained throughout the optimization process.

Conclusions:

Workflow optimization significantly reduces functional MRI acquisition and scheduling times.
Streamlined fMRI protocols enhance patient comfort and satisfaction.
This quality improvement project offers a transferable model for other fMRI practices.