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Quantitative Regional Alveolar Volume and Specific Ventilation (V/VA) in Healthy Subjects Measured with Positron Emission Tomography Tsuneo Suzuki 1 , Masaaki Iio 1 1Nakano National Chest Hospital Keyword: 肺機能(pulmonary function) , ポジトロンCT(positron emission tomography) pp.445-448
Published Date 1991/5/15
DOI https://doi.org/10.11477/mf.1404900273
  • Abstract
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We have measured quantitative regional alveolar volume and specific ventilation in healthy subjects by Nitrogen-13 gas and Positron Emission Tomography.

Studies have proceeded in the supine positon. Subjects have rebreathed N-13 gas in closed circuit. After radio-activity has reached equilibrium, Scan was carried out. During equilibrium, we have taken radioactive gas from the closed circuit to make quantitative alveolar volume and we have measured the radioactivity by well counter.

This value means radioactivity in unit of thoracic volume. Well counts/PET counts denote alveolar vol-ume/thoracic volume.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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