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Functional analysis of the human rib cage over the vital capacity range in standing position using biplanar X-ray imaging

Article dans une revue avec comité de lecture
Author
ccVERGARI, Claudio
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]
ccSKALLI, Wafa
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]
CLAVEL, Louis
542093 Neurophysiologie Respiratoire Expérimentale et Clinique [UMRS 1158]
DEMUYNCK, Michel
VALENTIN, Rémi
542093 Neurophysiologie Respiratoire Expérimentale et Clinique [UMRS 1158]
ccSANDOZ, Baptiste
SIMILOWSKI, Thomas
542093 Neurophysiologie Respiratoire Expérimentale et Clinique [UMRS 1158]
ATTALI, Valérie
542093 Neurophysiologie Respiratoire Expérimentale et Clinique [UMRS 1158]

URI
http://hdl.handle.net/10985/21597
DOI
10.1016/j.compbiomed.2022.105343
Date
2022
Journal
Computers in Biology and Medicine

Abstract

Pathologies of the respiratory system can by accompanied by alterations of the biomechanical function of the rib cage, as well as of its morphology and movement. The assessment of such pathologies could benefit from rib cage kinematic analysis during breathing, but this analysis is challenging because of the difficulties in observing and quantifying bone movements in vivo. This work explored the feasibility of using biplanar x-rays to study rib cage modifications at different lung volumes and evaluated the potential of the method to characterize rib cage kinematic patterns in patients. Forty-seven asymptomatic adults and eleven obstructive sleep apnea syndrome (OSAS) patients underwent biplanar x-rays at three lung volumes: normal breathing, maximal and minimal volume. Rib cage and spinopelvic positional parameters were computed from 3D reconstruction of the skeleton. Results showed that inspiration mostly mobilized the ribs and costo-vertebral junction, while expiration was driven by the spine. OSAS patients had a different sagittal profile at rest than asymptomatic subjects, but these differences decreased at maximal and minimal volume. This suggests that patients employed different biomechanical strategies to attain a trunk configuration similar to asymptomatic subjects at minimal and maximal lung volume. This study confirmed that the proposed method could have an impact for the clinical assessment and understanding of pathologies involving breathing function, and which directly affect rib cage morphology.

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