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1 From the Departments of Respiratory Therapy and Pediatrics, the Children's Hospital, University of Colorado School of Medicine, Denver
To compare the short-term effects of postural drainage with clapping (PD) and autogenic drainage (AD) on oxygen saturation, pulmonary function, and sputum recovery, we studied ten patients with cystic fibrosis (CF) randomly treated with PD or AD on separate days. Pulse oximetry was monitored and sputum was collected during and for 1 h following each treatment. Pulmonary function was measured before and then 1, 15, and 60 min after each treatment. There was no significant difference in the amount of sputum recovered with AD (14.0±3.5 g) vs PD (10.4±3.0 g) and no significant differences in pulmonary function occurred. Oxygen saturation during PD fell from 93.3±0.7% to 91.2±0.8% (p<0.01) and required 15 min following treatment to return to baseline. Oxygen saturation did not fall during AD and increased to 94.5±0.7% by 1 h following treatment (baseline, 93.3±0.8%; p<0.01). We conclude that AD is less likely to produce oxygen desaturation and may be better tolerated by patients with CF, while producing similar benefits in sputum clearance.
Key Words: autogenic drainage cystic fibrosis postural drainage
Submitted on December 5, 1994
Accepted on May 19, 1995
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