TY - JOUR AU - Chubachi, Shotaro AU - Yamada, Yoshitake AU - Yamada, Minoru AU - Yokoyama, Yoichi AU - Tanabe, Akiko AU - Matsuoka, Shiho AU - Niijima, Yuki AU - Yamasawa, Wakako AU - Irie, Hidehiro AU - Murata, Mitsuru AU - Fukunaga, Koichi AU - Jinzaki, Masahiro PY - 2021 DA - 2021/03/31 TI - Differences in airway lumen area between supine and upright computed tomography in patients with chronic obstructive pulmonary disease JO - Respiratory Research SP - 95 VL - 22 IS - 1 AB - No clinical studies to date have compared the inspiratory and expiratory airway lumen area between supine and standing positions. Thus, the aims of this study were twofold: (1) to compare inspiratory and expiratory airway lumen area (IAA and EAA, respectively) on computed tomography (CT) among supine and standing positions; and (2) to investigate if IAA and EAA are associated with lung function abnormality in patients with chronic obstructive pulmonary disease (COPD). SN - 1465-993X UR - https://doi.org/10.1186/s12931-021-01692-1 DO - 10.1186/s12931-021-01692-1 ID - Chubachi2021 ER -