吸入氧气：一种脑部磁共振造影剂？
Inhaled oxygen: a brain MR contrast agent?
作者信息
Berthezène Y, Tournut P, Turjman F, N'Gbesso R, Falise B, Froment J C
机构信息
Hôpital Neurologique et Neurochirurgical, Lyon, France.
出版信息
AJNR Am J Neuroradiol. 1995 Nov-Dec;16(10):2010-2.
Abstract
Oxygen inhalation led to subtle but readily detectable changes on T2*-weighted images with a conventional MR imager at 1.5 T. We attribute the increase in local signal intensity to changes in blood oxygenation, in particular to a net conversion of deoxyhemoglobin to oxyhemoglobin.
摘要
在1.5T的传统磁共振成像仪上，吸氧会导致T2*加权图像上出现细微但易于检测到的变化。我们将局部信号强度的增加归因于血液氧合的变化，特别是脱氧血红蛋白向氧合血红蛋白的净转化。
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