Two models of high frequency chest compression therapy: interaction of jacket pressure and mouth airflow.

Two models of high frequency chest compression therapy: interaction of jacket pressure and mouth airflow. Research Abstract Details 

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Two models of high frequency chest compression therapy: interaction of jacket pressure and mouth airflow. Abstract Text:

Yong Wan Lee,Jongwon Lee,Warren J Warwick,

High frequency chest compression (HFCC) therapy assists clearing the secretions in the lung. This paper presents two mathematical models: 1) HFCC jacket function model (JFM) and 2) respiratory function model (RFM). JFM predicts the variation of the jacket pressure (Pj) from the respiratory pattern of mouth airflow (Fm). RFM predicts the HFCC induced mouth airflow (Fm) from the HFCC pulse pressures at the jacket (Pj). Fm and Pj were measured from a healthy subject during HFCC therapy. JFM, which was implemented with 2^nd order system using prediction error method, shows the existence of breathing pattern at Pj. RFM, which was implemented with amplitude modulation technique, shows how the HFCC pulses affects to the Fm. JFM calculations match 78% of the measured respiratory pattern of Pj. RFM calculations match 90% of measured HFCC induced Fm. These models can be used to test new breathing patterns before designing studies on patients having chronic obstructive pulmonary diseases.

Two models of high frequency chest compression therapy: interaction of jacket pressure and mouth airflow. Publishing Authors By Initials

YW Lee,J Lee,WJ Warwick,

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Two models of high frequency chest compression therapy: interaction of jacket pressure and mouth airflow. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Conference proceedings : ... Annual International

VOLUME: 1

Page Numbers: 4243-6

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ISSN: 1557-170X

DAY: 16

MONTH: 11

YEAR: 2007

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LANGUAGE: eng

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AFFILIATION: Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455 USA. phone: 612-695-5807; e-mail: leeyongwan@gmail.com.

Country: United States

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