Comparison between the Airgo™ Device and a Metabolic Cart during Rest and Exercise.

Sensors
Andrea AntonelliAndrea Aliverti

Abstract

The aim of this study is to compare the accuracy of Airgo™, a non-invasive wearable device that records breath, with respect to a gold standard. In 21 healthy subjects (10 males, 11 females), four parameters were recorded for four min at rest and in different positions simultaneously by Airgo™ and SensorMedics 2900 metabolic cart. Then, a cardio-pulmonary exercise test was performed using the Erg 800S cycle ergometer in order to test Airgo™'s accuracy during physical effort. The results reveal that the relative error median percentage of respiratory rate was of 0% for all positions at rest and for different exercise intensities, with interquartile ranges between 3.5 (standing position) and 22.4 (low-intensity exercise) breaths per minute. During exercise, normalized amplitude and ventilation relative error medians highlighted the presence of an error proportional to the volume to be estimated. For increasing intensity levels of exercise, Airgo™'s estimate tended to underestimate the values of the gold standard instrument. In conclusion, the Airgo™ device provides good accuracy and precision in the estimate of respiratory rate (especially at rest), an acceptable estimate of tidal volume and minute ventilation at rest and an unde...Continue Reading

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Citations

May 24, 2021·Biomedical Engineering Online·Luciano Brinck PeresAdriano Alves Pereira
Jul 3, 2021·Sensors·Vito Monaco, Cesare Stefanini
Aug 20, 2021·Sleep & Breathing = Schlaf & Atmung·Wolfgang GanglbergerM Brandon Westover

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Methods Mentioned

BETA
feature extraction

Clinical Trials Mentioned

NCT03368612

Software Mentioned

[UNK]
SensorMedics

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