Key result
Static magnetic field exposure, such as that used in magnetic resonance imaging, moderately reduces blood flow rate and generates electric voltages across vessel walls.
Static magnetic fields used in MRI have a moderate theoretical effect on reducing blood flow rate and generating electric voltages across vessel walls.
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Moderate MRI field effects on flow and voltages remain theoretical; leaves open clinical relevance and need for outcome studies.
This paper investigates the influence of static magnetic field exposure on blood flow. We mainly focus on steady flows in a rigid vessel and review the existing theoretical solutions, each based on some simplifying hypothesis. The results are developed, examined and compared, showing how the magnetohydrodynamic interactions reduce the flow rate and generate electric voltages across the vessel walls. These effects are found to be moderate for magnetic fields such as those used in magnetic resonance imaging. In this case, a very simplified solution, formulated by neglecting the walls conductivity as well as the induced magnetic fields, is proven suitable.
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Abdallah et al. (2009) reported a review. Static magnetic field exposure was evaluated on Blood flow rate and electric voltages across vessel walls. Static magnetic field exposure, such as that used in magnetic resonance imaging, moderately reduces blood flow rate and generates electric voltages across vessel walls.
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