Mapping of human local pulmonary ventilation by xenon enhanced computed tomography.
Functional maps of local pulmonary ventilation are derived from serial computed tomographic images acquired prior to and during a short period of inhalation of subanesthetic xenon/oxygen gas mixtures. Preliminary results from human studies yield quantitative maps of local ventilation rates with excellent anatomic specificity demonstrating nonuniformities in the distribution of ventilation in normal and abnormal human lungs.
D000328:Adult; D003287:Contrast Media; D004417:Dyspnea / Q000000981:diagnostic imaging; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging* / Q000502:physiology; D008171:Lung Diseases / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011175:Positive-Pressure Respiration; D011856:Radiographic Image Enhancement; D012119:Respiration; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014692:Ventilation-Perfusion Ratio; D014978:Xenon
D003287:Contrast Media; D014978:Xenon