Comparison of diaphragmatic mobility between COPD patients with and without thoracic hyperkyphosis: a cross-sectional study

  • Gonçalves M
  • Leal B
  • Lisboa L
  • et al.
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Abstract

ABSTRACT Objective: To compare diaphragmatic mobility, lung function, and respiratory muscle strength between COPD patients with and without thoracic hyperkyphosis; to determine the relationship of thoracic kyphosis angle with diaphragmatic mobility, lung function, and respiratory muscle strength in COPD patients; and to compare diaphragmatic mobility and thoracic kyphosis between male and female patients with COPD. Methods: Participants underwent anthropometry, spirometry, thoracic kyphosis measurement, and evaluation of diaphragmatic mobility. Results: A total of 34 patients with COPD participated in the study. Diaphragmatic mobility was significantly lower in the group of COPD patients with thoracic hyperkyphosis than in that of those without it (p = 0.002). There were no statistically significant differences between the two groups of COPD patients regarding lung function or respiratory muscle strength variables. There was a significant negative correlation between thoracic kyphosis angle and diaphragmatic mobility (r = −0.47; p = 0.005). In the sample as a whole, there were statistically significant differences between males and females regarding body weight (p = 0.011), height (p < 0.001), and thoracic kyphosis angle (p = 0.036); however, there were no significant differences in diaphragmatic mobility between males and females (p = 0.210). Conclusions: Diaphragmatic mobility is lower in COPD patients with thoracic hyperkyphosis than in those without it. There is a negative correlation between thoracic kyphosis angle and diaphragmatic mobility. In comparison with male patients with COPD, female patients with COPD have a significantly increased thoracic kyphosis angle.RESUMO Objetivo: Comparar a mobilidade diafragmática, a função pulmonar e a força muscular respiratória em pacientes que apresentam DPOC com e sem hipercifose torácica; verificar a relação do ângulo da curvatura torácica com a mobilidade diafragmática, variáveis da função pulmonar e de força muscular respiratória dos pacientes com DPOC; e comparar a mobilidade diafragmática e a cifose torácica entre os gêneros nesses pacientes. Métodos: Foram realizadas as seguintes avaliações: antropometria, espirometria, mensuração do ângulo da curvatura torácica e mobilidade diafragmática. Resultados: Participaram do estudo 34 pacientes com DPOC. No grupo de pacientes com DPOC e hipercifose torácica, a mobilidade diafragmática foi estatisticamente menor quando comparada à do grupo DPOC sem hipercifose torácica (p = 0,002). Não houve diferenças estatisticamente significantes entre esses grupos em relação a variáveis de função pulmonar e de força muscular respiratória. Houve uma correlação negativa significante entre o ângulo da curvatura torácica e a mobilidade diafragmática (r = −0,47; p = 0,005). Quando comparados homens e mulheres da amostra geral, houve diferenças estatisticamente significantes em relação à massa corpórea (p = 0,011), estatura (p < 0,001) e ângulo da curvatura da cifose torácica (p = 0,036), mas não em relação à mobilidade diafragmática (p = 0,210). Conclusões: Os pacientes com DPOC e hipercifose torácica apresentaram menor mobilidade diafragmática quando comparados com os pacientes com DPOC sem hipercifose torácica. O ângulo da curvatura torácica se correlacionou negativamente com a mobilidade diafragmática. O grupo feminino apresentou um aumento significante no ângulo da curvatura torácica quando comparado ao grupo masculino.

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APA

Gonçalves, M. A., Leal, B. E., Lisboa, L. G., Tavares, M. G. de S., Yamaguti, W. P., & Paulin, E. (2018). Comparison of diaphragmatic mobility between COPD patients with and without thoracic hyperkyphosis: a cross-sectional study. Jornal Brasileiro de Pneumologia, 44(1), 5–11. https://doi.org/10.1590/s1806-37562016000000248

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