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Does exercise-induced bronchoconstriction affect physical activity patterns in asthmatic children?

M R van der Kamp1,2, B J Thio1,3, M Tabak2,4

  • 1Department of Pediatrics, Medisch Spectrum Twente, Enschede, Netherlands.

Journal of Child Health Care : for Professionals Working with Children in the Hospital and Community
|October 15, 2019
PubMed
Summary
This summary is machine-generated.

Children with breakthrough exercise-induced bronchoconstriction (BT-EIB) are less active and have shorter activity bursts. This highlights the impact of EIB severity on physical activity patterns in children with asthma.

Keywords:
Accelerometryexercise challenge testexercise-induced bronchoconstrictionpediatric asthmaphysical activity pattern

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Area of Science:

  • Pediatric Pulmonology
  • Asthma Research
  • Exercise Physiology

Background:

  • Exercise-induced bronchoconstriction (EIB) is a marker of uncontrolled childhood asthma.
  • Breakthrough-EIB (BT-EIB) emerges during exercise, unlike classic EIB which occurs post-exercise.
  • The impact of BT-EIB on daily physical activity patterns remains understudied.

Purpose of the Study:

  • To investigate daily physical activity (PA) patterns in children with BT-EIB, classic EIB, and no EIB.
  • To compare the amount, intensity, duration, and distribution of PA across these groups.
  • To understand if BT-EIB influences children's daily physical activity behaviors.

Main Methods:

  • Pilot study involving 30 children with asthma.
  • Objective measurement of daily PA using Fitbit Zip activity trackers for one week.
  • One-minute interval data collection for PA amount, intensity, duration, and distribution.

Main Results:

  • Children with BT-EIB exhibited significantly lower daily step counts (7994) compared to non-EIB children (11,444).
  • BT-EIB group showed less moderate-to-vigorous PA (117 min/day) versus the non-EIB group (170 min/day).
  • Both BT-EIB and classic EIB groups had shorter activity bouts and less varied bout length distribution than the non-EIB group.

Conclusions:

  • A significant association exists between EIB severity and daily PA patterns in children.
  • BT-EIB is linked to reduced physical activity levels and altered activity patterns.
  • Thorough clinical assessment of exercise-induced symptoms is crucial for managing childhood asthma effectively.