Feasibility of computerized adventitious respiratory sounds to assess the effects of airway clearance techniques in patients with bronchiectasis.
Autor: Herrero-Cortina, Beatriz; Oliveira, Ana; Polverino, Eva; Gómez-Trullén, Eva María; Torres, Antoni; Marques, Alda
Publication year: 2020
Physiotherapy theory and practice
issn:1532-5040 0959-3985
doi: 10.1080/09593985.2019.1566945
Abstract:
Objective: To examine the feasibility of adventitious respiratory sound (ARS) as an outcome measure to assess the effects of airway clearance techniques (ACTs) in outpatients with bronchiectasis. Methods: ARS were registered pre/post four ACTs sessions. Clinical outcomes included: number of crackles (coarse and fine), number of wheezes (monophonic and polyphonic), wheezes occupation rate (%) and sputum quantity. Feasibility outcomes of ARS included: reasons for exclusion, suitability, safety, equipment and time required, magnitude of change after intervention and sample size estimation. Results: Seven patients (49.7 ± 20.5 years; FEV(1) 69.3 ± 15.8% predicted) were included. Recordings from four patients were excluded due to excessive environment noise. All ARS measurements were completed without any adverse events. An electronic stethoscope was acquired and the time spent to complete each assessment was 6 ± 3.5 min. The largest changes were observed for number of expiratory coarse crackles [effect size (95%CI) ES = 0.40 (0.01-0.79)], which correlated moderately with sputum quantity (r = 0.56), and inspiratory monophonic wheezes [ES = 0.61 (0.22-1.00)]. The estimated sample size for a full crossover trial was 46. Conclusions: ARS is feasible to assess the effects of ACTs in patients with bronchiectasis. Expiratory coarse crackles seem to be the most appropriate ARS parameter, but this finding needs to be confirmed in an adequately powered trial.
Language: eng
Rights:
Pmid: 30669914
Tags: Humans; Aged; Prospective Studies; Adult; Middle Aged; Cross-Over Studies; Feasibility Studies; rehabilitation; Physical therapy; *Diagnosis, Computer-Assisted; airway clearance techniques; bronchiectasis; Bronchiectasis/*physiopathology/*therapy; respiratory sounds; Respiratory Sounds/*physiopathology; Respiratory Therapy/*methods
Link: https://pubmed.ncbi.nlm.nih.gov/30669914/
