• Physiological measurement · Aug 2000

    Clinical Trial

    Respiratory monitoring using an air-mattress system.

    • P Chow, G Nagendra, J Abisheganaden, and Y T Wang.
    • Electronics and Communication Engineering Department, Singapore Polytechnic, Republic of Singapore.
    • Physiol Meas. 2000 Aug 1;21(3):345-54.

    AbstractThis paper describes a non-invasive respiratory monitoring system using an air mattress. The air-mattress system features multiple air compartments to monitor movements of the thorax and the abdomen separately. To evaluate the performance of the air-mattress system, four subjects were selected for the study and their separate ribcage and abdominal movements were monitored simultaneously by respiratory inductive phlethysmography belts and the air-mattress system. The sensitivity and accuracy indices of the air-mattress system for the detection of hypopnoeas scored remarkably well (above 90%). In addition, it was noted that the mean error in the measurement of the respiratory rate between the two systems was very small. This paper shows that the air-mattress system can be a reliable non-invasive respiratory monitoring system to detect simple abnormalities in breathing, such as respiration rate and hypopnoeas.

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