The effects of different body positions on pulmonary function in healthy adults.
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Data
2022
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Introduction: Pulmonary function testing, or spirometry,
is a validated, globally recognized test that contributes to
the diagnosis, staging, and longitudinal follow-up of lung
diseases. The exam is most often performed in a sitting
position in clinical practice; hence, there are no predicted
values for its performance in other positions, such as
in different decubitus. Objective: The present study
aimed to evaluate the effects of position on pulmonary
function test results in healthy adults. Methods: Fortytwo healthy adults of both sexes, divided into male
(MG) and female groups (FG), were provided respiratory
questionnaires. Subsequently, the pulmonary function
test was conducted to evaluate the ventilatory parameters
of forced vital capacity (FVC), forced expiratory volume
in 1 second (FEV1), and FEV1/FVC ratio in the sitting (S),
dorsal decubitus (DD), right lateral decubitus (RLD), and
left lateral decubitus (LLD) positions. A comparison of the
parametric data was performed via one-way analysis of
variance followed by Tukey post-hoc tests. Correlations
between the S position variables along with the other
positions were evaluated using the Pearson test. Results:
The mean and standard error for the FVC values of the
MG at positions DD (4.3 ± 0.7/L), RLD (4.1 ± 0.6/L) and
LLD (4.1 ± 0.6/L) were lower when compared to S (5.05
± 0.6 L). There was a strong positive correlation between
the values of FVC, FEV1, and FEV1/FVC in the S position
compared to other positions analyzed in both groups.
Conclusion: Body positioning altered the parameters of
the pulmonary function test in healthy adults.
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Palavras-chave
Pulmonary ventilation, Respiratory function tests, Spirometry
Citação
SILVEIRA, K. G. et al. The effects of different body positions on pulmonary function in healthy adults. Fisioterapia em Movimento, v. 35, artigo e35111, 2022. Disponível em: <https://www.scielo.br/j/fm/a/mPPBBTyz4bnD6CyK7kPdLkx/?lang=en>. Acesso em: 11 out. 2022.