Difference in the craniocaudal gradient of the maximum pixel value change rate between chronic obstructive pulmonary disease patients and normal subjects using sub-mGy dynamic chest radiography with a flat panel detector system - Yamada, Yoshitake; Ueyama, Masako; Abe, Takehiko; Araki, Tetsuro; Abe, Takayuki; Nishino, Mizuki; Jinzaki, Masahiro; Hatabu, Hiroto; Kudoh, Shoji (European journal of radiology, 2017)
Keywords: Aged, 80 and over; Exhalation; Female; Humans; Lung; Male; Posture; Prospective Studies; Pulmonary Disease, Chronic Obstructive - diagnostic imaging; Radiography - methods; Radiology; Respiration; Thorax; Ventilation; X-ray; GOLD; MRI; Lung; Thorax; VC; FIR; CT; SD; FEV; MPCR; Ventilation; FPD; X-ray; Respiration; BMI; COPD; magnetic resonance imaging; global initiative for chronic obstructive pulmonary disease; finite impulse response; vital capacity; maximum pixel value change rate; computed tomography; body mass index; forced expiratory volume; flat panel detector; chronic obstructive pulmonary disease; standard deviation