Document Detail

Estimates of ventilation from measurements of rib cage and abdominal distances: a portable device.
MedLine Citation:
PMID:  20379827     Owner:  NLM     Status:  MEDLINE    
To validate a new device designed to measure ventilation (V(E)), tidal volume (V(T)), inspiratory time (T(I)), and expiratory time (T(E)) during daily life activities. The anteroposterior displacement of the rib cage and abdomen and the axial displacements of the chest wall and the spine were measured using two pairs of magnetometers. was estimated from these four signals, and was simultaneously measured using a spirometer. A total of 707, 732, and 1,138 breaths were analyzed in sitting, standing, and exercise conditions, respectively. We compared V(E), V(T), T(I), and, T(E) measured by magnetometers (V(E)mag, V(T)mag, T(I)mag, and T(E)mag) with V(E), V(T), T(I), and T(E) measured by a spirometer V(E)spiro, V(T)spiro, T(I)spiro, and T(E)spiro, respectively). For pooled data V(E)mag, V(T)mag, T(I)mag, and T(E)mag were significantly correlated (p < 0.001) with V(E)spiro, V(T)spiro, T(I)spiro, and T(E)spiro in sitting and standing positions and during the walking exercise. The mean differences, between V(E)mag, and V(E)spiro for the group, were 10.44, 10.74, and 12.06% in sitting, standing, and exercise conditions, respectively. These results demonstrate the capacity of this new device to measure V(E) with reasonable accuracy in sitting, standing, and exercise conditions.
S Gastinger; H Sefati; G Nicolas; A Sorel; A Gratas-Delamarche; J Prioux
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-04-09
Journal Detail:
Title:  European journal of applied physiology     Volume:  109     ISSN:  1439-6327     ISO Abbreviation:  Eur. J. Appl. Physiol.     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-07-23     Completed Date:  2010-11-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100954790     Medline TA:  Eur J Appl Physiol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1179-89     Citation Subset:  IM    
M2S Laboratory (Movement, Sport and Health Sciences): Physiology and Biomechanics, UFR APS, University Rennes 2, Avenue Charles Tillon, CS 24414, 35044, Rennes Cedex, France.
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MeSH Terms
Abdominal Wall / anatomy & histology*,  physiology
Anthropometry / instrumentation*,  methods
Equipment Design
Equipment Failure Analysis
Monitoring, Ambulatory / instrumentation*
Motor Activity / physiology*
Pulmonary Ventilation / physiology*
Reproducibility of Results
Ribs / anatomy & histology*,  physiology
Sensitivity and Specificity
Spirometry / instrumentation*
Young Adult

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