Low‐field MRI: clinical promise and challenges

TC Arnold, CW Freeman, B Litt… - Journal of Magnetic …, 2023 - Wiley Online Library
Modern MRI scanners have trended toward higher field strengths to maximize signal and
resolution while minimizing scan time. However, high‐field devices remain expensive to …

Low‐cost and portable MRI

LL Wald, PC McDaniel, T Witzel… - Journal of Magnetic …, 2020 - Wiley Online Library
Research in MRI technology has traditionally expanded diagnostic benefit by developing
acquisition techniques and instrumentation to enable MRI scanners to" see more." This …

A low-cost and shielding-free ultra-low-field brain MRI scanner

Y Liu, ATL Leong, Y Zhao, L Xiao, HKF Mak… - Nature …, 2021 - nature.com
Magnetic resonance imaging is a key diagnostic tool in modern healthcare, yet it can be cost-
prohibitive given the high installation, maintenance and operation costs of the machinery …

Portable, bedside, low-field magnetic resonance imaging for evaluation of intracerebral hemorrhage

MH Mazurek, BA Cahn, MM Yuen, AM Prabhat… - Nature …, 2021 - nature.com
Radiological examination of the brain is a critical determinant of stroke care pathways.
Accessible neuroimaging is essential to detect the presence of intracerebral hemorrhage …

A portable scanner for magnetic resonance imaging of the brain

CZ Cooley, PC McDaniel, JP Stockmann… - Nature biomedical …, 2021 - nature.com
Access to scanners for magnetic resonance imaging (MRI) is typically limited by cost and by
infrastructure requirements. Here, we report the design and testing of a portable prototype …

Portable, low-field magnetic resonance imaging enables highly accessible and dynamic bedside evaluation of ischemic stroke

MM Yuen, AM Prabhat, MH Mazurek, IR Chavva… - Science …, 2022 - science.org
Brain imaging is essential to the clinical management of patients with ischemic stroke.
Timely and accessible neuroimaging, however, can be limited in clinical stroke pathways …

Assessment of brain injury using portable, low-field magnetic resonance imaging at the bedside of critically ill patients

KN Sheth, MH Mazurek, MM Yuen, BA Cahn… - JAMA …, 2021 - jamanetwork.com
Importance Neuroimaging is a key step in the clinical evaluation of brain injury.
Conventional magnetic resonance imaging (MRI) systems operate at high-strength magnetic …

In vivo 3D brain and extremity MRI at 50 mT using a permanent magnet Halbach array

T O'Reilly, WM Teeuwisse, D de Gans… - Magnetic resonance …, 2021 - Wiley Online Library
Purpose To design a low‐cost, portable permanent magnet‐based MRI system capable of
obtaining in vivo MR images within a reasonable scan time. Methods A discretized Halbach …

Brain imaging with portable low-field MRI

WT Kimberly, AJ Sorby-Adams, AG Webb… - Nature reviews …, 2023 - nature.com
The advent of portable, low-field MRI (LF-MRI) heralds new opportunities in neuroimaging.
Low power requirements and transportability have enabled scanning outside the controlled …

Low-field MRI: how low can we go? A fresh view on an old debate

M Sarracanie, N Salameh - Frontiers in Physics, 2020 - frontiersin.org
For about 30 years, MRI set cruising speed at 1.5 T of magnetic field, with a gentle transition
toward 3 T systems. In its first 10 years of existence, there was an open debate on the …