Document Detail


Feasibility and reproducibility of spirometry and inductance plethysmography in healthy Brazilian preschoolers.
MedLine Citation:
PMID:  23281215     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
RATIONALE: Preschoolers show peculiarities that reinforce the importance of assessing their pulmonary function. However, there are few data on the success rate and between-occasions reproducibility of pulmonary function tests in preschoolers, particularly in the Brazilian population. OBJECTIVE: To assess the success rate and between-occasions reproducibility of the variables obtained by spirometry and respiratory inductive plethysmography in healthy children aged 4-6 years. METHODS: Breathing pattern was assessed by plethysmography (tidal volume-V(T) , respiratory rate-f, inspiratory duty cycle-Ti/Ttot, mean respiratory flow-V(T) /Ti, displacement of the rib cage-RC and phase relation during the total breath-PhRTB) and spirometry (forced vital capacity-FVC, forced expiratory volume in 0.5 sec-FEV(0.5) and forced expiratory volume in first second-FEV(1) ) in 47 healthy children, aged 4-6 years. To evaluate between-occasions reproducibility, 10 children (according to the sample size calculation) were reassessed after 3 weeks. Between-occasions reproducibility was evaluated by paired t-test, considering significant P < 0.05, Intraclass Correlation Coefficient (ICC) and coefficient of variation of method error (CV(ME) ). RESULTS: The results showed an 83% success rate for spirometry and a 98% success rate for plethysmography. Regarding reproducibility, there were no significant differences between the variables of any test. Spirometry ICC was above 0.80 and the CV(ME) was lower than 10%. The plethysmography ICC was between 0.61 and 0.95, and the CV(ME) was between 2% and 31%. CONCLUSIONS: These results suggest a high success rate in performing the pulmonary function tests and good between-occasions reproducibility for spirometry and plethysmography in healthy preschoolers. Pediatr Pulmonol. © 2012 Wiley Periodicals, Inc.
Authors:
Danielle C França; Paulo A M Camargos; Jocimar A Martins; Mercês C S Abreu; Gilda Helena Avelar E Araújo; Verônica F Parreira
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-31
Journal Detail:
Title:  Pediatric pulmonology     Volume:  -     ISSN:  1099-0496     ISO Abbreviation:  Pediatr. Pulmonol.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2013-1-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8510590     Medline TA:  Pediatr Pulmonol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Wiley Periodicals, Inc.
Affiliation:
Federal University of Minas Gerais, Graduation Program in Science Rehabilitation, Belo Horizonte, Brazil.
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