A small clinical study of AffloVest, a portable High Frequency Chest Wall Oscillation (HFCWO) vest, demonstrated lung function improvements in five teens with cystic fibrosis.

The AffloVest, manufactured by International Biophysics Corp, “contributed to improved lung function scores,” said Michael Cooper, RT, of Chicago, IL, who conducted the study.

Cooper looked at FEV1 for the largest sign of improvement, with a goal to improve that number ? 10%.  “With the AffloVest, I saw an overall 11.5% increase, with one patient achieving an 18.8% increase,” said Cooper, who noted positive changes on the FVC, FVC to FEV1 ratio as well as favorable results in the FEF 25/75.

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