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Lung area - volume models in relation to the recruitment - derecruitment of individual lung units.

Authors
Brancazio-L; Franz-GN; Petsonk-EL; Frazer-DG
Source
Ann Biomed Eng 2001 Mar; 29(3):252-262
NIOSHTIC No.
20021966
Abstract
The objective of this study was to reconsider some of the previous experimental results in terms of simple geometric models in order to determine if any of the apparent conflicts could be explained within a more unified concept. These models allow individual lung units and the entire lung to expand differently with regard to their area-volume relationship. The effect of a recruitment-derecruitment process as the lung inflates-deflates is also considered. Examples are used to illustrate how some of the apparent conflicts found in the literature may arise from whether or not recruitment and derecruitment take place during lung expansion and contraction.
Keywords
Respiration; Respiratory-function-tests; Computer-models; Lung-function; Pulmonary-function-tests; Pulmonary-system
Contact
Health Effects Laboratory Division, National Institute for Occupational Safety and Health, 1095 Willowdale Road, Morgantown, WV 26505, USA
CODEN
ABMECF
Publication Date
20010301
Document Type
Journal Article
Email Address
wbg4@cdc.gov
Fiscal Year
2001
NTIS Accession No.
NTIS Price
Issue of Publication
3
ISSN
0090-6964
NIOSH Division
HELD; DRDS
Priority Area
Other Occupational Concerns
Source Name
Annals of Biomedical Engineering
State
WV
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