A single bout of maximal exercise improves lung function in patients with cystic fibrosis

Matthew A. Tucker, Reva Crandall, Nichole Seigler, Paula Rodriguez-Miguelez, Kathleen T McKie, Caralee Johnson Forseen, Jeffrey Thomas, Ryan A. Harris

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Background Responses to a single bout of exercise may provide critical information for maximizing improvements in pulmonary function following exercise training in cystic fibrosis (CF). We sought to determine if acute maximal exercise improves pulmonary function in patients with CF. Methods Thirty-three patients with CF completed a comprehensive assessment of pulmonary function to determine forced vital capacity (FVC), forced expiratory volume in one second (FEV1), and lung clearance index (LCI) prior to and immediately following maximal aerobic exercise on a cycle ergometer. Results Following exercise, FVC (∆ 0.08 ± 0.14 L) and FEV1 (∆ 0.06 ± 0.15 L) increased, while LCI decreased (∆-0.71 ± 0.93) (all p < 0.05). Changes in FEV1 (%predicted) were associated with peak work (r = 0.40, p = 0.02) and peak pulmonary ventilation (r = 0.45, p = 0.01). Conclusions A single bout of maximal exercise acutely improves pulmonary function in patients with CF and improvements may be related to peak work and peak pulmonary ventilation.

Original languageEnglish (US)
Pages (from-to)752-758
Number of pages7
JournalJournal of Cystic Fibrosis
Volume16
Issue number6
DOIs
StatePublished - Nov 1 2017

Fingerprint

Cystic Fibrosis
Exercise
Lung
Pulmonary Ventilation
Vital Capacity
Forced Expiratory Volume

Keywords

  • Exercise capacity
  • Impulse oscillometry
  • Multi-breath washout
  • Spirometry

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Pulmonary and Respiratory Medicine

Cite this

A single bout of maximal exercise improves lung function in patients with cystic fibrosis. / Tucker, Matthew A.; Crandall, Reva; Seigler, Nichole; Rodriguez-Miguelez, Paula; McKie, Kathleen T; Forseen, Caralee Johnson; Thomas, Jeffrey; Harris, Ryan A.

In: Journal of Cystic Fibrosis, Vol. 16, No. 6, 01.11.2017, p. 752-758.

Research output: Contribution to journalArticle

Tucker, Matthew A. ; Crandall, Reva ; Seigler, Nichole ; Rodriguez-Miguelez, Paula ; McKie, Kathleen T ; Forseen, Caralee Johnson ; Thomas, Jeffrey ; Harris, Ryan A. / A single bout of maximal exercise improves lung function in patients with cystic fibrosis. In: Journal of Cystic Fibrosis. 2017 ; Vol. 16, No. 6. pp. 752-758.
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AU - Forseen, Caralee Johnson

AU - Thomas, Jeffrey

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