Immediate changes in blood-gas tensions during chest physiotherapy with positive expiratory pressure and oscillating positive expiratory pressure in patients with cystic fibrosis

To assess and compare immediate effects of chest physiotherapy with positive expiratory pressure (PEP) versus oscillating PEP on transcutaneously measured blood-gas tensions in patients with cystic fibrosis. Fifteen patients (mean age 12.5 y, range 6.9-21.5 y) participated. The treatments were rando...

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Bibliographic Details
Published in:	Respiratory care Vol. 51; no. 10; pp. 1154 - 1161
Main Authors:	LAGERKVIST, Anna-Lena B, STEN, Gunilla M, REDFORS, Staffan B, LINDBLAD, Anders G, HJALMARSON, Ola
Format:	Journal Article
Language:	English
Published:	Dallas, TX Daedalus Enterprises 01-10-2006
Subjects:	Adolescent Adult Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Biological and medical sciences Blood Gas Analysis Blood. Blood and plasma substitutes. Blood products. Blood cells. Blood typing. Plasmapheresis. Apheresis Carbon Dioxide Chest Wall Oscillation Child Cystic Fibrosis Cystic Fibrosis - therapy Emergency and intensive respiratory care Female Humans Intensive care medicine Male Medical sciences methods Pediatrics Pediatrik Physical Therapy Modalities Positive-Pressure Respiration Positive-Pressure Respiration - methods therapy Thorax Transfusions. Complications. Transfusion reactions. Cell and gene therapy Human Blood gas transcutaneous blood gas tensions Intensive care chest physiotherapy Respiratory disease Physiotherapy oscillating positive expiratory pressure Metabolic diseases Cystic fibrosis Genetic disease Positive pressure Adolescent Digestive diseases positive expiratory pressure Child Resuscitation Pancreatic disease
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Summary:	To assess and compare immediate effects of chest physiotherapy with positive expiratory pressure (PEP) versus oscillating PEP on transcutaneously measured blood-gas tensions in patients with cystic fibrosis. Fifteen patients (mean age 12.5 y, range 6.9-21.5 y) participated. The treatments were randomized and performed on 2 separate occasions, 8 weeks apart. Spirometry was conducted before and after each treatment. We transcutaneously measured oxygen tension (P(tO2). There were no changes in spirometry values. During PEP, different trends in blood-gas tension were seen, and there were no consistent changes. During oscillating PEP, P(tO2) increased and P(tCO2) decreased. During oscillating PEP, P(tCO2) was lower and the intra-individual change in P(tCO2) was more pronounced than during PEP. The results obtained immediately after oscillating PEP showed a higher P(tO2) and a lower P(tCO2) than with PEP. PEP and oscillating PEP can both cause transitory effects on blood gases in patients with cystic fibrosis. However, oscillating PEP alters blood-gas tensions more than does PEP, and hyperventilation during oscillating PEP may reduce treatment time.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-News-1 ObjectType-Feature-3 content type line 23
ISSN:	0020-1324 1943-3654