Comparison of peak expiratory flow rate (PEFR) before and after physical exercise in obese and non-obese children

  • Febrina Z. Siregar
  • Gabriel Panggabean
  • Ridwan M. Daulay
  • Helmi M. Lubis
Keywords: peak expiratory flow rate, obesity, physical exercise

Abstract

Background  Obesity  has  been  associated  with  respiratory
complications  and  it  is  believed to reduce lung volume. Obesity
imposes additional stress on  ventilation  during exercise  and
may even result in pulmonary function impairment. Exercise
induced-bronchospasm has also been found in obese children.
Lung function tests  can  be useful to confirm diagnosis, response
to therapy, or prediction of lung and respiratory diseases.  The
peak  flow  meter  is  an  inexpensive, practical  way  to measure lung
function, and  can  detect the early warning signs  of  a decrease in
lung function.
Objective  To  compare the peak expiratory  flow  rate (PEFR) before
and after physical exercise in obese and non-obese primary school
boys aged 6 to  12  years old.
Methods  A quasi-experimental study using the one group pretest-
posttest design was performed  on  30  obese children  (BMI  above
the  95<h  percentile)  and  30 non-obese children  (BMI  between
the  5<h  - 85'h percentile) using a mini-Wright peak  flow  meter
to evaluate the PEFR before  and  after eight minutes  of  physical
exercise. Height, weight, body mass index,  and  physical status
were determined before testing.
Results  The  PEFR before  and  after exercise were 14.80 for obese
children and 9.76 for non-obese children.  The  mean value for
PEFR between obese and non-obese children was significantly
different  (P<0.05).
Conclusion  The  PEFR for obese children  is  significantly lower
than  non  obese children  even  before physical exercise.

Author Biographies

Febrina Z. Siregar
Department  of  Child Health, Medical School, University of
North Sumatra,  H.  Adam Malik Hospital, Medan, Indonesia.
Gabriel Panggabean
Department  of  Child Health, Medical School, University of
North Sumatra,  H.  Adam Malik Hospital, Medan, Indonesia.
Ridwan M. Daulay
Department  of  Child Health, Medical School, University of
North Sumatra,  H.  Adam Malik Hospital, Medan, Indonesia.
Helmi M. Lubis
Department  of  Child Health, Medical School, University of
North Sumatra,  H.  Adam Malik Hospital, Medan, Indonesia.

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Published
2009-03-01
How to Cite
1.
Siregar F, Panggabean G, Daulay R, Lubis H. Comparison of peak expiratory flow rate (PEFR) before and after physical exercise in obese and non-obese children. PI [Internet]. 1Mar.2009 [cited 13Nov.2024];49(1):20-. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/451
Section
Articles
Received 2016-09-05
Accepted 2016-09-05
Published 2009-03-01