期刊文献+

植入新一代心脏起搏器或除颤器的患者可安全地接受MRI检查 被引量:2

Safe application of MRI in patients implanted modern defibrillators and pacemakers
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摘要 心脏起搏器或除颤器均为心脏生理电子刺激装置。在20世纪之前,体内植入这种装置的患者一直被列为MRI检查的禁忌.美国食品和药品监督管理局(FDA)安全准则也明确规定“带心脏起搏器等体内电子植入物的患者不得进入5高斯线(0.5mT)内的磁场。因为这类装置内含许多金属元器件,当体内植入此类装置的患者进行MRI检查时,人体被置于强大的外加静态磁场和变化着的梯度磁场中,在MRI的强磁场及磁扭矩的作用下,磁场与心脏起搏器或除颤器的铁磁性元器件之间的相互作用,可使体内植入装置产生移位、功能紊乱及局部升温等现象,轻者造成植入装置失灵,重者造成患者局部灼伤、心率失常甚至心脏骤停闭。
作者 傅强 徐克
出处 《生物医学工程与临床》 CAS 2008年第1期82-84,共3页 Biomedical Engineering and Clinical Medicine
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参考文献10

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同被引文献26

  • 1靳二虎,马大庆.MR检查时人体内生物医学置入物和置入设备的安全性研究进展及对策[J].中华放射学杂志,2004,38(9):999-1001. 被引量:11
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