A Secondary Analysis of Gender Respiratory Features for Ultrasonography Bilateral Diaphragm Thickness, Respiratory Pressures, and Pulmonary Function in Low Back Pain
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2024
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Molina Hernández, Nerea
Losa Iglesias, Marta Elena
Vicente Campos, Davinia
Marugán Rubio, Daniel
Gutiérrez Torre, Samuel Eloy
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Molina-Hernández N, Rodríguez-Sanz D, Chicharro JL, Becerro-de-Bengoa-Vallejo R, Losa-Iglesias ME, Vicente-Campos D, Marugán-Rubio D, Gutiérrez-Torre SE, Calvo-Lobo C. A Secondary Analysis of Gender Respiratory Features for Ultrasonography Bilateral Diaphragm Thickness, Respiratory Pressures, and Pulmonary Function in Low Back Pain. Tomography. 2024 Jun 3;10(6):880-893. doi: 10.3390/tomography10060067.
Abstract
The aim of the present study was to determine the gender respiratory differences of bilateral diaphragm thickness, respiratory pressures, and pulmonary function in patients with low back pain (LBP). A sample of 90 participants with nonspecific LBP was recruited and matched paired by sex (45 women and 45 men). Respiratory outcomes included bilateral diaphragm thickness by ultrasonography, respiratory muscle strength by maximum inspiratory (MIP) and expiratory (MEP) pressures, and pulmonary function by forced expiratory volume during 1 s (FEV1), forced vital capacity (FVC) and FEV1/FVC spirometry parameters. The comparison of respiratory outcomes presented significant differences (p < 0.001), with a large effect size (d = 1.26–1.58) showing means differences (95% CI) for MIP of −32.26 (−42.99, −21.53) cm H2O, MEP of −50.66 (−64.08, −37.25) cm H2O, FEV1 of −0.92 (−1.18, −0.65) L, and FVC of −1.00 (−1.32, −0.69) L, with lower values for females versus males. Gender-based respiratory differences were presented for maximum respiratory pressures and pulmonary function in patients with nonspecific LBP. Women presented greater inspiratory and expiratory muscle weakness as well as worse lung function, although these differences were not linked to diaphragm thickness during normal breathing
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Grant PID2020-117162RA-I00 funded by MICIU/AEI/10.13039/501100011033 corresponding to the Ministry of Science, Innovation and Universities and the State Agency for Investigation from the Spanish Government by the 2020 Call for Innovation, Development and Research (“I + D + i Projects”) with the framework of the State Programs for Knowledge Generation and Scientific and Technological Strengthening of the I + D + i System as well as I + D + i oriented to the Challenges of Society.
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