DOI: 10.1148/radiol.260576 ISSN: 0033-8419

Redistribution of Pulmonary Vascular Volume at Upright versus Supine CT

Orito Ikeda, Yoshitake Yamada, Minoru Yamada, Yoichi Yokoyama, Mohammed Al Shihry, Shotaro Chubachi, Koichi Fukunaga, Masahiro Jinzaki

Upright chest CT showed that, compared with CT in the supine position, standing reduced total pulmonary vascular volume, predominantly venous, with a vertical gradient, where dependent lower lung regions exhibited modest volume reduction.

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