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Clinical Trial
. 1979 Feb 10;1(8111):294-7.
doi: 10.1016/s0140-6736(79)90705-0.

Regional lung clearance of excessive bronchial secretions during chest physiotherapy in patients with stable chronic airways obstruction

J R Bateman, S P Newman, K M Daunt, D Pavia, S W Clarke
Clinical Trial

Regional lung clearance of excessive bronchial secretions during chest physiotherapy in patients with stable chronic airways obstruction

J R Bateman et al. Lancet. .

Abstract

Clearance of excessive bronchial secretions labelled with inhaled radioactive polystyrene particles has been directly measured with a gamma-camera linked to a computer. Chest physiotherapy significantly increased clearance from central, intermediate, and peripheral lung regions and sputum yield. These findings confirm the value of this form of treatment, which has hitherto been in doubt, in removing excessive bronchial secretions from all lung regions and in aiding their expectoration.

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