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Validity of the Pneumonitor for RR intervals acquisition for short-term heart rate variability analysis extended with respiratory data in pediatric cardiac patients
Affiliations- Department of Pediatric Cardiology and General Pediatrics, Medical University of Warsaw, Warszawa, Poland
open access
Abstract
BACKGROUND: Breathing pattern alterations change the variability and the spectral content of the RR intervals (RRi) from electrocardiogram (ECG). However, actually there is no solution on how to record and control participant’s breathing without influencing its natural rate and depth in heart rate variability (HRV) studies.
AIM: The aim of the study was to assess the validity of the Pneumonitor for acquisition of short-term (5 min) RRi in comparison to the reference ECG method for analysis of heart rate (HR) and HRV parameters in the group of pediatric patients with cardiac disease.
METHODS: Nineteen patients of both sexes participated in the study. ECG and Pneumonitor were used to record RRi from 5 min static rest conditions, the latter also to measure the relative tidal volume and respiratory rate. The validation comprised the Student’s t-test, Bland-Altman analysis, Intraclass Correlation Coefficient and Lin’s concordance correlation. The possible impact of the respiratory activity on the agreement between ECG and Pneumonitor was also assessed.
RESULTS: Acceptable agreement for number of RRi, mean RR, HR and HRV measures calculated based on RRi acquired using ECG and Pneumonitor was presented. There was no association between breathing pattern and RRi agreement between devices.
CONCLUSIONS: Pneumonitor might be considered appropriate for cardiorespiratory studies in the group of pediatric cardiac patients in rest condition.
Abstract
BACKGROUND: Breathing pattern alterations change the variability and the spectral content of the RR intervals (RRi) from electrocardiogram (ECG). However, actually there is no solution on how to record and control participant’s breathing without influencing its natural rate and depth in heart rate variability (HRV) studies.
AIM: The aim of the study was to assess the validity of the Pneumonitor for acquisition of short-term (5 min) RRi in comparison to the reference ECG method for analysis of heart rate (HR) and HRV parameters in the group of pediatric patients with cardiac disease.
METHODS: Nineteen patients of both sexes participated in the study. ECG and Pneumonitor were used to record RRi from 5 min static rest conditions, the latter also to measure the relative tidal volume and respiratory rate. The validation comprised the Student’s t-test, Bland-Altman analysis, Intraclass Correlation Coefficient and Lin’s concordance correlation. The possible impact of the respiratory activity on the agreement between ECG and Pneumonitor was also assessed.
RESULTS: Acceptable agreement for number of RRi, mean RR, HR and HRV measures calculated based on RRi acquired using ECG and Pneumonitor was presented. There was no association between breathing pattern and RRi agreement between devices.
CONCLUSIONS: Pneumonitor might be considered appropriate for cardiorespiratory studies in the group of pediatric cardiac patients in rest condition.
Keywords
heart rate variability, impedance pneumography, Pneumonitor, RR intervals, validation
About this articleTitle
Validity of the Pneumonitor for RR intervals acquisition for short-term heart rate variability analysis extended with respiratory data in pediatric cardiac patients
Journal
Kardiologia Polska (Polish Heart Journal)
Issue
Article type
Original article
Published online
2023-03-16
Page views
23
Article views/downloads
10
DOI
10.33963/KP.a2023.0070
Pubmed
Keywords
heart rate variability
impedance pneumography
Pneumonitor
RR intervals
validation
Authors
Jakub S Gąsior
Marcel Młyńczak
Maciej Rosoł
Piotr Wieniawski
Iwona Walecka
Gerard Cybulski
Bożena Werner
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