Assessment of an alternative calibration technique to record breathing pattern and its variability with respiratory inductive plethysmography.
Recent literature has raised doubts on the existing calibration methods for respiratory inductive plethysmography (RIP) which can lead to erroneous estimation of tidal volume. This study sought to validate an alternative calibration method to record tidal volume and tidal volume variability during rest and exercise by comparing the measurements obtained from a RIP device against a pneumotachograph (PT) for breath-by-breath analysis. 11 healthy individuals were recruited. Tidal volume and variability were simultaneously recorded during 30 min of rest and 20 min of exercises. Pearson correlation coefficients for group mean tidal volume between PT and RIP were 0.8 during rest and exercises. No statistical significant difference was observed in tidal volume variability between devices during rest and exercises. This study provides support for an alternative calibration method, which addresses existing limitations. The simplicity of equipment set up process and no need to perform subject cooperated calibration procedure will improve the respiratory monitoring process.
Department of Rehabilitation Medicine, Guangdong Engineering and Technology Research Center for Rehabilitation Medicine and Translation, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China. ambroselo0726@outlook.com.|Faculty of Health Sciences, University of Southampton, University Road, Southampton, SO17 1BJ, UK. ambroselo0726@outlook.com.
Wai Leung Ambrose
http://orcid.org/0000-0001-7350-2157
WLA
Lo
Department of Rehabilitation Medicine, Guangdong Engineering and Technology Research Center for Rehabilitation Medicine and Translation, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510080, China.
Dong Feng
DF
Huang
D000328:Adult; D002138:Calibration; D015444:Exercise; D005260:Female; D064368:Healthy Volunteers; D006801:Humans; D008297:Male; D010363:Pattern Recognition, Automated; D010991:Plethysmography / Q000295:instrumentation* / Q000379:methods*; D015203:Reproducibility of Results; D012119:Respiration; D012146:Rest; D012815:Signal Processing, Computer-Assisted; D012984:Software; D013990:Tidal Volume; D013997:Time Factors
Breathing monitoring; Breathing pattern recording; Calibration; Qualitative diagnostic calibration; Respiratory inductive plethysmography