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  4. Relationship Between Chest Wall Motion and Diaphragmatic Excursion in Healthy Adults in Supine Position
 
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Relationship Between Chest Wall Motion and Diaphragmatic Excursion in Healthy Adults in Supine Position

Journal
Journal of the Formosan Medical Association
Journal Volume
108
Journal Issue
7
Pages
577-586
Date Issued
2009
Author(s)
HSING-KUO WANG  
Lu, T.-W.
Liing, R.-J.
TIFFANY TING-FANG SHIH  
Chen, S.-C.
TUNG-WU LU  
DOI
10.1016/S0929-6646(09)60376-4
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/511235
Abstract
Background/Purpose: There has been a lack of studies that have used both three-dimensional analysis and imaging tools concurrently to describe lung volume changes and breathing pattern in subjects in the supine position. The purpose of this study was to investigate the correlation between volume changes estimated by optoelectronic plethysmography (OEP) and diaphragmatic excursion (DE) measured by ultrasonography of healthy adults in the supine position. Methods: Twelve healthy male subjects (age, 25.08 ± 6.35 years) were recruited and asked to perform tidal and deep breathing in the supine position. The volume changes during chest wall motion were quantified from OEP analysis-this was done for the upper thorax (UT), lower thorax (LT), and abdominal (AB) compartment. Lung volume was measured synchronously via the mouth piece of an electrospirometer. The right diaphragmatic movement was measured by ultrasonography. Results: Linear regression showed that all three compartments (VUT, VLT and VAB) in the inspiratory phase were correlated highly with DE during tidal and deep breathing. However, multiple linear regression analysis showed that the VAB contributed 94-95% of the variance when performing either tidal or deep breathing. A predicted equation for diaphragmatic movement during deep breathing was DE = 0.052 + 0.294VAB. Conclusion: The movement of VAB can be used as an index of DE among the normal population in the supine position. Its application in patients requires further study. ? 2009 Formosan Medical Association & Elsevier.
SDGs

[SDGs]SDG3

Other Subjects
adult; article; breathing pattern; diaphragm; echography; human; human experiment; hyperpnea; inspiratory capacity; lung volume; male; normal human; optoelectronic plethysmography; plethysmography; quantitative analysis; spirometer; supine position; thorax wall; Adult; Diaphragm; Humans; Linear Models; Male; Motion; Plethysmography; Spirometry; Supine Position; Thoracic Wall
Type
journal article

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