'Big Breakthrough': New Low-Field MRI Is Safer and Easier

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The first whole-body, low-field MRI needs fewer precautions and could improve accessibility around the world.

) — searching for a feasible alternative to the loud, expensive machines requiring special rooms with shielding to block their powerful magnetic field.

designed for use at a patient's bedside — for head and brain scans. But the technology has not been applied to whole-body MRI — until now."This is a big breakthrough," said Kevin Sheth, MD, director of the Yale Center for Brain & Mind Health, who was not involved in the study."It is one of the first, if not the first, demonstrations of low-field MRI imaging for the entire body.

Because the field strength is so low, no protective shielding is needed. Patients and bystanders can safely use smart phones . And the scanner is safe for patients with implanted devices, like a cochlear implant or pacemaker, or any metal on their body or clothes. No hearing protection is required, either, because the machine is so quiet.

But first, funding and FDA approval would be needed."A company is going to have to come along and say, 'This looks fantastic. We're going to commercialize this, and we're going to go through this certification process,'" said Andrew Webb, PhD, professor of radiology and the founding director of the Gorter MRI Center at the Leiden University Medical Center, Leiden, Netherlands. One hope for this technology is to bring MRI to more people worldwide.

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