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首页> 美国政府科技报告 >Local and Global Thermoregulatory Responses to MRI Electromagnetic Fields:Biological Effects and Safety Aspects of Nuclear Magnetic Resonance Imaging and Spectroscopy
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Local and Global Thermoregulatory Responses to MRI Electromagnetic Fields:Biological Effects and Safety Aspects of Nuclear Magnetic Resonance Imaging and Spectroscopy

机译：对mRI电磁场的局部和全球体温调节响应：核磁共振成像和光谱学的生物效应和安全性方面

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摘要

During magnetic resonance imaging (MRI) procedures, a subject is exposed to threenovel environmental stimuli which have drawn attention over the past decade as potential health hazards: (1) a relatively intense static magnetic field; (2) a time-varying magnetic field, and (3) a radiofrequency (RF) field. Thermoregulation is one of many physiological systems that can be affected by MRI, specifically by the RF radiation absorbed by the subject during MRI. While there is some sparse, albeit controversial data on the possible effects of static magnetic fields on thermoregulation, the major concern regarding potential health hazards of the MRI-induced thermal effects centers on the RF radiation absorbed by a subject during a scan. The purpose of the paper is to review the studies that have impacted on understanding the thermoregulatory effects of MRI with special emphasis on the problems of selecting appropriate animal models for assessing the potential risk of RF radiation exposure during MRI.

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