Keywords: Low-Field MRI, Low-Field MRI
Motivation: Low-field MRI scanners are emerging as portable, cost-effective imaging solutions for point-of-care applications. Their minimal infrastructure requirements allow deployment in hospitals, remote areas, and mobile units. Environmental variability can impact scanner stability, underscoring the need to evaluate the robustness of low-field MRI systems in diverse settings.
Goal(s): We assessed the repeatability of contrast ratio (white/grey matter) and signal-to-noise ratio in a 46mT Halbach MRI scanner.
Approach: We examined signal consistency in two setups: (1) a lab setting with three volunteers over three days, and (2) three locations (lab, ICU, and van) with two volunteers.
Results: Findings showed minimal variation across locations/days.
Impact: We examined the stability of our 46mT point-of-care MRI scanner by scanning healthy volunteers multiple times in a controlled lab settings and new locations (ICU and van). Findings showed minimal scan-to-scan variation and little differences across locations.
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