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Expiratory flow limitation
Abstract
The first major advance in understanding expiratory flow limitation of the lungs came with the description of isovolume pressure-flow curves. These curves documented the existence of a volume-dependent limit to maximal expiratory flow and led directly to the description of the maximal expiratory flow-volume (MEFV) curve. Definitive modeling of flow limitation awaited the description of a localized mechanism that dominated the flow-limiting process. The phenomenon of wave speed limitation of flow was shown to apply to the airways and provided the needed localized mechanism. Using this concept and recent data on airway mechanics and the frictional losses in the flow, a computational model of the MEFV curve has been developed. Further progress will require modeling of inhomogeneous emptying in diseased lungs, perfecting noninvasive techniques of estimating pertinent airway characteristics, and improving techniques for increasing the signal-to-noise ratio in MEFV curves.
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“EELV during spontaneous breathing in flow-limited patients is a continuous dynamic variable”
From Lung hyperinflation in COPD: applying physiology to clinical practice (2015) · cites this paper as [20]
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Spruit, M. A., Singh, S. J., Garvey, C., ZuWallack, R., Nici, L., Rochester, C., Hill, K., Holland, A. E., Lareau, S. C., Man, W. D.-C., et al. (2013) · American Journal of Respiratory and Critical Care Medicine · doi:10.1164/rccm.201309-1634st · Cited by 3,938
American Thoracic Society/European Respiratory Society statement on pulmonary rehabilitation
Nici, L., Donner, C., Wouters, E., Zuwallack, R., Ambrosino, N., Bourbeau, J., Carone, M., Celli, B., Engelen, M., Fahy, B., et al. (2006) · American Journal of Respiratory and Critical Care Medicine · doi:10.1164/rccm.200508-1211st · Cited by 1,966
Dynamic Hyperinflation and Exercise Intolerance in Chronic Obstructive Pulmonary Disease
O'DONNELL, D. E., REVILL, S. M., & WEBB, K. A. (2001) · American Journal of Respiratory and Critical Care Medicine · doi:10.1164/ajrccm.164.5.2012122 · Cited by 1,076
O'Donnell, D. E., Voduc, N., Fitzpatrick, M., & Webb, K. A. (2004) · European Respiratory Journal · doi:10.1183/09031936.04.00072703 · Cited by 365
Physiology and consequences of lung hyperinflation in COPD
O'Donnell, D. E., & Laveneziana, P. (2006) · European Respiratory Review · doi:10.1183/09059180.00010002 · Cited by 234
Metadata
- Authors
- Hyatt, R. E.
- Venue
- Journal of Applied Physiology
- Publisher
- American Physiological Society
- Published
- 1983-07-01
- Volume
- 55
- Issue
- 1
- Pages
- 1-7
- ISSN
- 8750-7587
- 1522-1601
- Cited by
- 114
- References
- 0
- Language
- en
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- Hyatt, R. E. (1983). Expiratory flow limitation. Journal of Applied Physiology. https://doi.org/10.1152/jappl.1983.55.1.1
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
