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primary studies published RCT

Comparative study of the efficacy of 2 respiratory physiotherapy protocols for patients with cystic fibrosis.

  • Year: 1999
  • Date: 1999
  • Author: Sànchez Riera H
Source

Arch Bronconeumol. 1999 Jun;35(6):275-9.

Study design (if review, criteria of inclusion for studies)

Randomised, cross-over trial

Participants

27 CF participants in stable condition

Interventions

Treatment A: diaphragm breathing with incentive spirometry and PD. Treatment B: diaphragm breathing with PEP and PDTreatments given in random order on different days with at least 48 hours washout in between.

Outcome measures

Sputum weight, lung function (FVC, FEV1, FEV1 %, MMEFwt-75, MVV, PF), questionnaire on frequency and intensity of coughing, sputum characteristics, chest discomfort, dyspnoea.

Main results

During treatment A with incentive spirometry, 14.6 +/- 13.7 g of sputum was removed, whereas 9.8 +/- 10.2 g was eliminated during treatment B (p < 0.05). The differences in PEF after treatments A and B in comparison with baseline values were +19.3 l/min and -0.2 l/min, respectively (p < 0.01). PEF stayed high during the afternoon, in comparison with baseline, with treatment A (p < 0.02). After treatment B, no changes in PEF in comparison with baseline were observed (p = 0.49). Neither treatment led to significant differences in symptoms reported on the clinical questionnaire.

Authors' conclusions

Respiratory physiotherapy with incentive spirometry significantly increases sputum clearance in cystic fibrosis patients, with no immediate repercussions on lung function or symptoms.

Related topics

Active cycle of breathing technique in cystic fibrosis

Oscillating devices in cystic fibrosis

Positive expiratory pressure in cystic fibrosis

Keywords: Adolescent; Adult; Airway clearance technique; Artificial Ventilation; Child; Drainage; non pharmacological intervention - devices OR physiotherapy; pharmacological_intervention; Postural Drainage; Ventilators; Chest physiotherapy;