Regional Lung Function in Patients with Obstructive Lung Diseases
- 9 May 1970
- Vol. 2 (5705) , 330-333
- https://doi.org/10.1136/bmj.2.5705.330
Abstract
Regional lung function was measured, using radioactive xenon-133, in a group of normal subjects and in three carefully defined groups of patients with obstructive lung disease. When compared with the normal subjects, patients in the emphysematous group showed a relative reduction of ventilation and perfusion to the upper zones, while patients having chronic bronchitis without cardiac or respiratory failure showed a predominantly lower zone defect. In the group of patients with chronic bronchitis with cardiac and respiratory failure no consistent pattern was found.Keywords
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