Smart textile for respiratory monitoring and thoraco-abdominal motion pattern evaluation

Abstract

The use of wearable systems for monitoring vital parameters has gained wide popularity in several medical fields. The focus of the present study is the experimental assessment of a smart textile based on twelve fiber Bragg grating sensors for breathing monitoring and thoraco-abdominal motion pattern analysis. The feasibility of the smart textile for monitoring several temporal respiratory parameters (i.e., breath-by-breath respiratory period, breathing frequency, duration of inspiratory and expiratory phases), volume variations of the whole chest wall and of its compartments is performed on eight healthy male volunteers. Values gathered by the textile are compared to the data obtained by a motion analysis system, used as reference instrument. Good agreement between the two systems on both respiratory period (bias of 0.01 s), breathing frequency (bias of -0.02 breaths∙min^-1) and tidal volume (bias of 0.09 L) values is demonstrated. Smart textile shows good performance in the monitoring of thoraco-abdominal pattern and its variation, as well.

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