Assessment of respiratory mechanical properties with constant-phase models in healthy and COPD lungs

Authors:
Clara Ionescu;Eric Derom;Robin De Keyser
Affiliations:
Ghent University, Dept. of Electrical Energy, Systems and Automation, Technologiepark 913, 9052 Gent, Belgium;Ghent University Hospital, Dept. of Respiratory Medicine, De Pintelaan 185, 9000 Gent, Belgium;Ghent University, Dept. of Electrical Energy, Systems and Automation, Technologiepark 913, 9052 Gent, Belgium
Venue:
Computer Methods and Programs in Biomedicine
Year:
2010

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Abstract

This study employs the concept of applying constant-phase models to input respiratory impedance data obtained with the non-invasive Forced Oscillation Technique (FOT) lung function test. Changes in respiratory mechanics from healthy and chronic obstructive pulmonary disease (COPD) diagnosed patients are observed with a four- and a five-parameter constant-phase model. Tissue damping (p@?0.01), tissue elastance (p