NDLI: Induced respiratory system modeling by high frequency chest compression using lumped system identification method

Content Provider	IEEE Xplore Digital Library
Author	Jongwon Lee Yong Wan Lee O'Clock, G. Xiaoming Zhu Parhi, K.K. Warwick, W.J.
Copyright Year	2009
Description	Author affiliation: Department of Electrical Engineering, University of Minnesota, Minneapolis, MN 55455 USA (Xiaoming Zhu; Parhi, K.K.) \|\| Department of Pediatrics, University of Minnesota, Minneapolis, MN 55455 USA (Jongwon Lee; Yong Wan Lee; O'Clock, G.; Warwick, W.J.)
Abstract	High frequency chest compression (HFCC) treatment systems are used to promote mucus transport and mitigate pulmonary system clearance problems to remove sputum from the airways in patients with Cystic Fibrosis (CF) and at risk of developing chronic obstructive pulmonary disease (COPD). Every HFCC system consists of a pump generator, one or two hoses connected to a vest, to deliver the pulsation. There are three different waveforms in use; symmetric sine, the asymmetric sine and the trapezoid waveforms. There have been few studies that compared the efficacy of a sine waveform with the HFCC pulsations. In this study we present a model of the respiratory system for a young normal subject who is one of co-authors. The input signal is the pressure applied by the vest to chest, at a frequency of 6Hz. Using the system model simulation, the effectiveness of different source waveforms is evaluated and compared by observing the waveform response associated with air flow at the mouth. Also the study demonstrated that the ideal rectangle wave produced the maximum peak air flow, and followed by the trapezoid, triangle and sine waveform. The study suggests that a pulmonary system evaluation or modeling effort for CF patient might be useful as a method to optimize frequency and waveform structure choices for HFCC therapeutic intervention.
Starting Page	5486
Ending Page	5489
File Size	1035021
Page Count	4
File Format	PDF
ISBN	9781424432967
ISSN	1557170X
DOI	10.1109/IEMBS.2009.5334565
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Respiratory system Frequency System identification Mouth Lungs Medical treatment Diseases RLC circuits USA Councils Life members
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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