Reference values for pulmonary volumes by plethysmography in a Brazilian sample of white adults.
Journal
Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia
ISSN: 1806-3756
Titre abrégé: J Bras Pneumol
Pays: Brazil
ID NLM: 101222274
Informations de publication
Date de publication:
30 May 2019
30 May 2019
Historique:
received:
13
03
2018
accepted:
23
09
2018
entrez:
6
6
2019
pubmed:
6
6
2019
medline:
28
10
2019
Statut:
epublish
Résumé
To derive reference values for healthy white Brazilian adults who have never smoked and to compare the obtained values with reference values derived by Crapo and by Neder. Reference equations by quantile regressions were derived in 122 men and 122 women, non-obese, living in seven cities in Brazil. Age ranged from 21 to 92 years in women and from 25 to 88 years in men. Lung function tests were performed using SensorMedics automated body plethysmographies according ATS/ERS recommendations. Lower and upper limits were derived by specific equations for 5 and 95 percentiles. The results were compared to those suggested by Crapo in 1982, and Neder in 1999. Median values for total lung capacity (TLC) were influenced only by stature in men, and by stature and age in women. Residual volume was influenced by age and stature in both genders. Weight was directly related to inspiratory capacity and inversely with functional residual capacity and expiratory reserve volume in both genders. A comparison of observed TLC data with values predicted by Neder equations showed significant lower values by the present data. Mean values were similar between data from present study and those derived by Crapo. New predicted values for lung volumes were obtained in a sample of white Brazilians. The values differ from those derived by Neder, but are similar to those derived by Crapo.
Identifiants
pubmed: 31166555
pii: S1806-37132019000300201
doi: 10.1590/1806-3713/e20180065
pmc: PMC6715037
pii:
doi:
Types de publication
Journal Article
Langues
eng
por
Sous-ensembles de citation
IM
Pagination
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