<SUP>133</SUP>Xe-Rebreathing Technique Using the Scintillation Camera
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概要
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<SUP>133</SUP>Xe-<I>rebreathing technique using the scintillation camera was useful for determining regional pulmonary function in 30 patients with conditions such as large bulla or bronchial asthma suffering dyspnea and cardiac disease</I>.<BR><I>As the method, an anterior or posterior scintiphoto of the lungs was obtanined at every 2 minutes from immediately after injection of</I> <SUP>133</SUP>Xe-<I>solution (1-4 mCi) intravenously</I>.<BR>In <SUP>133</SUP>Xe-<I>rebreathing technique, three phases of lung scintiphotos can be obtained. The first image of serial scintiphotos shows the perfusion phase (0-2 minutes exposure after injection of</I> <SUP>133</SUP>X e-<I>solution) o f the lung. The second image shows the ventilation phase (exposure time is 3-6 minutes after), and the third image shows the wash-out phase (3 minutes after washed out) </I>.<BR><I>In case 3 mCi of</I> <SUP>133</SUP>Xe <I>is administered, tissue absorption dose is calculated to be 21-31 millirads at the gonads and 572-593 millirads at the lungs</I>.
- 社団法人 日本アイソトープ協会の論文
社団法人 日本アイソトープ協会 | 論文
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