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Exercise tolerance and effects of training in young patients with cystic fibrosis and mild airway obstruction.
Pediatr Pulmonol 1989; 7(3):145-52PP

Abstract

We evaluated the effects of an 8-week aerobic training (1 hr, three times a week) on physical performance of ten patients with cystic fibrosis (CF) (median age, 12.5 yr; range 11.1-15.3 yr), with mild airway obstruction (FEV1 = 77 +/- 22% pred.), and ten healthy age-matched children (CONTR) (median age, 12.7 yr; range 12.2-15.2 yr). Physical performance was tested with maximal incremental (MAX) and submaximal (SMAX) (fixed workload of 1.7 W/kg during 6 min) exercise tests on a cycle ergometer. These and standard spirometric and anthropometric measurements were performed at the beginning and end of a period with usual daily activity and one with the training program. The kinetics of ventilatory parameters at the onset and end of SMAX were displayed by fitting data on oxygen uptake and minute ventilation by monoexponential curves (least-squares method). At the start and the end of the training period, all children were timed for endurance run to voluntary exhaustion and for sprinting through an obstacle course. A pattern of relative hyperventilation during SMAX and of poor performance in endurance and obstacle runs were evident at the start of the training period in patients with CF. The effects of training on MAX and SMAX were small and partial; the improvement in field test performances was significant only for CF and could be attributed to improvement of skill and motivation.

Authors+Show Affiliations

Cystic Fibrosis Center, Ospedale Borgo Trento of Verona, Italy.

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

2797928

Citation

Braggion, C, et al. "Exercise Tolerance and Effects of Training in Young Patients With Cystic Fibrosis and Mild Airway Obstruction." Pediatric Pulmonology, vol. 7, no. 3, 1989, pp. 145-52.
Braggion C, Cornacchia M, Miano A, et al. Exercise tolerance and effects of training in young patients with cystic fibrosis and mild airway obstruction. Pediatr Pulmonol. 1989;7(3):145-52.
Braggion, C., Cornacchia, M., Miano, A., Schena, F., Verlato, G., & Mastella, G. (1989). Exercise tolerance and effects of training in young patients with cystic fibrosis and mild airway obstruction. Pediatric Pulmonology, 7(3), pp. 145-52.
Braggion C, et al. Exercise Tolerance and Effects of Training in Young Patients With Cystic Fibrosis and Mild Airway Obstruction. Pediatr Pulmonol. 1989;7(3):145-52. PubMed PMID: 2797928.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Exercise tolerance and effects of training in young patients with cystic fibrosis and mild airway obstruction. AU - Braggion,C, AU - Cornacchia,M, AU - Miano,A, AU - Schena,F, AU - Verlato,G, AU - Mastella,G, PY - 1989/1/1/pubmed PY - 1989/1/1/medline PY - 1989/1/1/entrez SP - 145 EP - 52 JF - Pediatric pulmonology JO - Pediatr. Pulmonol. VL - 7 IS - 3 N2 - We evaluated the effects of an 8-week aerobic training (1 hr, three times a week) on physical performance of ten patients with cystic fibrosis (CF) (median age, 12.5 yr; range 11.1-15.3 yr), with mild airway obstruction (FEV1 = 77 +/- 22% pred.), and ten healthy age-matched children (CONTR) (median age, 12.7 yr; range 12.2-15.2 yr). Physical performance was tested with maximal incremental (MAX) and submaximal (SMAX) (fixed workload of 1.7 W/kg during 6 min) exercise tests on a cycle ergometer. These and standard spirometric and anthropometric measurements were performed at the beginning and end of a period with usual daily activity and one with the training program. The kinetics of ventilatory parameters at the onset and end of SMAX were displayed by fitting data on oxygen uptake and minute ventilation by monoexponential curves (least-squares method). At the start and the end of the training period, all children were timed for endurance run to voluntary exhaustion and for sprinting through an obstacle course. A pattern of relative hyperventilation during SMAX and of poor performance in endurance and obstacle runs were evident at the start of the training period in patients with CF. The effects of training on MAX and SMAX were small and partial; the improvement in field test performances was significant only for CF and could be attributed to improvement of skill and motivation. SN - 8755-6863 UR - https://www.unboundmedicine.com/medline/citation/2797928/Exercise_tolerance_and_effects_of_training_in_young_patients_with_cystic_fibrosis_and_mild_airway_obstruction_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=8755-6863&date=1989&volume=7&issue=3&spage=145 DB - PRIME DP - Unbound Medicine ER -