The validity and reliability of ultra-short-term heart rate variability parameters and the influence of physiological covariates

2021 ◽  
Author(s):  
Joel S. Burma ◽  
Sarah Graver ◽  
Lauren N. Miutz ◽  
Alannah Macaulay ◽  
Paige V. Copeland ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Frequency Domain ◽  
Repeated Measures ◽  
Intraclass Correlation ◽  
Correlation Coefficients ◽  
Validity And Reliability ◽  
Short Term ◽  
Physiological Variables ◽  
Orthostatic Position

Background: Ultra-short-term (UST) heart rate variability (HRV) metrics have increasingly been proposed as surrogates for short-term HRV metrics. However, the concurrent validity, within-day reliability, and between-day reliability of UST HRV have yet to be comprehensively documented. Methods: Thirty-six adults (18 males, age: 26 ± 5 years, BMI: 24 ± 3 kg/m2) were recruited. Measures of HRV were quantified in a quiet-stance upright orthostatic position via three-lead electrocardiogram (ADInstruments, FE232 BioAmp). All short-term data recordings were 300-seconds in length and five UST time points (i.e., 30-seconds, 60-seconds, 120-seconds, 180-seconds, and 240-seconds) were extracted from the original 300-second recording. Bland-Altman plots with 95% limits of agreement, repeated measures ANOVA, and two-tailed paired t-tests demarcated differences between UST and short-term recordings. Linear regressions, coefficient of variation, intraclass correlation coefficients, and other tests examined the validity and reliability in both time- and frequency-domains. Results: No group differences were noted between all short-term and UST measures, for either time- (all p>0.202) or frequency-domain metrics (all p>0.086). A longer recording duration was associated with augmented validity and reliability, that was less impacted by confounding influences from physiological variables (e.g., respiration rate, carbon dioxide end-tidals, and blood pressure). Conclusively, heart rate, time-domain, and relative frequency-domain HRV metrics were acceptable with recordings greater or equal to 60s, 240s, and 300s, respectively. Conclusions: Future studies employing UST HRV metrics, should thoroughly understand the methodological requirements to obtain accurate results. Moreover, a conservative approach should be utilized regarding the minimum acceptable recording duration, which ensures valid/reliable HRV estimates are obtained.

scholarly journals Measuring Heart Rate Variability Using Commercially Available Devices in Healthy Children: A Validity and Reliability Study

2020 ◽  
Vol 10 (1) ◽  
pp. 390-404 ◽  
Author(s):  
Kathryn E. Speer ◽  
Stuart Semple ◽  
Nenad Naumovski ◽  
Andrew J. McKune
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Real World ◽  
Healthy Children ◽  
Validity And Reliability ◽  
Short Term ◽  
Autonomic Nervous System Activity ◽  
Real World Setting ◽  
Nervous System Activity ◽  
Absolute Reliability

Heart rate variability (HRV) is an accepted method for determining autonomic nervous system activity and cardiovascular risk in various populations. This study assessed the validity and reliability of a commercially available finger photoplethysmography (PPG) system for measuring pediatric HRV in a real-world setting. Sixteen healthy children (4.06 ± 0.58 years) were recruited. The PPG system was compared to the Polar H10 heart rate (HR) sensor validated against ECG (gold standard) for HRV measurement. Seated short-term resting R-R intervals were recorded simultaneously using both systems. Recordings were performed on 3 days at the participants’ school. Paired t-tests, effect sizes and Bland–Altman analyses determined the validity of the PPG system. The relative and absolute reliability of both systems were calculated. No HRV parameters were valid for the PPG system. Polar H10 yielded moderate (0.50–0.75) to good (0.75–0.90) relative reliability with R-R intervals and the standard deviation of instantaneous and continuous R-R variability ratio showing the best results (ICCs = 0.84). Polar H10 displayed better absolute reliability with the root mean square of successive differences, R-R intervals and HR showing the lowest values (TEM% < 12%). The use of the Polar H10 and not the PPG system is encouraged for HRV measurement of young children in an educational real-world setting.

Short-term reproducibility of the time and frequency domain parameters of heart rate variability

2002 ◽  
Author(s):  
E. Kyrozi ◽  
T. Maounis ◽  
I. Chiladakis ◽  
V. Vassikikos ◽  
A. Manolis ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Frequency Domain ◽  
Short Term

Assessing Shortened Field-Based Heart-Rate-Variability-Data Acquisition in Team-Sport Athletes

2016 ◽  
Vol 11 (2) ◽  
pp. 154-158 ◽  
Author(s):  
Lucas A. Pereira ◽  
Andrew A. Flatt ◽  
Rodrigo Ramirez-Campillo ◽  
Irineu Loturco ◽  
Fabio Y. Nakamura
Keyword(s):  
Heart Rate ◽  
Time Course ◽  
Intraclass Correlation ◽  
Correlation Coefficients ◽  
Team Sport ◽  
Short Term ◽  
Intraclass Correlation Coefficients ◽  
Dependent Variables ◽  
Stabilization Period ◽  
Term Analysis

Purpose:To compare the LnRMSSD and the LnRMSSD:RR values obtained during a 5-min stabilization period with the subsequent 5-min criterion period and to determine the time course for LnRMSSD and LnRMSSD:RR stabilization at 1-min analysis in elite team-sport athletes.Participants:35 elite futsal players (23.9 ± 4.5 y, 174.2 ± 4.0 cm, 74.0 ± 7.5 kg, 1576.2 ± 396.3 m in the Yo-Yo test level 1).Methods:The RR-interval recordings were obtained using a portable heart-rate monitor continuously for 10 min in the seated position. The 2 dependent variables analyzed were LnRMSSD and LnRMSSD:RR. To calculate the magnitude of the differences between time periods, effect-size (ES) analysis was conducted. To assess the levels of agreement, intraclass correlation coefficients (ICC) and Bland-Altman plots were used.Results:The LnRMSSD and LnRMSSD:RR values obtained during the stabilization period (0–5 min) presented very large to nearly perfect ICCs with the values obtained during the criterion period (5–10 min), with trivial ESs. In the ultra-short-term analysis (ie, 1-min segments) the data showed slightly less accurate results, but only trivial to small differences with very large to nearly perfect ICCs were found.Conclusion:LnRMSSD and LnRMSSD:RR can be recorded in 5 min without traditional stabilization periods under resting conditions in team-sport athletes. The ultra-short-term analysis (1 min) also revealed acceptable levels of agreement with the criterion.

scholarly journals Heart Rate Variability Behavior during Exercise and Short-Term Recovery Following Energy Drink Consumption in Men and Women

Nutrients ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 2372
Author(s):  
Nicolas W. Clark ◽  
Chad H. Herring ◽  
Erica R. Goldstein ◽  
Jeffrey R. Stout ◽  
Adam J. Wells ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Repeated Measures ◽  
Energy Drink ◽  
Short Term ◽  
Double Blind ◽  
Warm Up ◽  
Autonomic Responses ◽  
Energy Drink Consumption ◽  
Graded Exercise

This study examined the cardiac autonomic responses, as measured by heart rate variability (HRV), during cycling exercise and short-term rest after energy drink consumption. Seventeen participants (seven males and 10 females; age: 22.8 ± 3.5 years; BMI: 24.3 ± 3.3 kg/m2) completed this double-blind, placebo-controlled, counterbalanced crossover design study. Participants received an energy drink formula containing 140 mg of caffeine and a placebo in a randomized order before completing a 10-min steady-state warm up (WUP) and a graded exercise test to exhaustion (GXT) followed by a 15-min short-term rest (STR) period. Heartbeat intervals were recorded using a heart rate monitor. Data were divided into WUP, GXT, and STR phases, and HRV parameters were averaged within each phase. Additionally, root mean square of the standard deviation of R–R intervals (RMSSD) during GXT was analyzed to determine the HRV threshold. Separate two-way (sex (male vs. female) x drink (energy drink vs. placebo)) repeated measures ANOVA were utilized. Significant increases in high frequency (HF) and RMSSD were shown during WUP after energy drink consumption, while interactions between drink and sex were observed for HRV threshold parameters (initial RMSSD and rate of RMSSD decline). No significant differences were noted during STR. Energy drink consumption may influence cardiac autonomic responses during low-intensity exercise, and sex-based differences in response to graded exercise to exhaustion may exist.

Validity and Reliability of Short-Term Heart-Rate Variability from the Polar S810

2009 ◽  
Vol 41 (1) ◽  
pp. 243-250 ◽  
Author(s):  
DAVID NUNAN ◽  
GAY DONOVAN ◽  
DJORDJE G. JAKOVLJEVIC ◽  
LYNETTE D. HODGES ◽  
GAVIN R. H. SANDERCOCK ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Validity And Reliability ◽  
Short Term

scholarly journals Alternative Devices for Heart Rate Variability Measures: A Comparative Test–Retest Reliability Study

2021 ◽  
Vol 11 (5) ◽  
pp. 68
Author(s):  
Jacquelin M. Killian ◽  
Rachel M. Radin ◽  
Cubby L. Gardner ◽  
Lalon Kasuske ◽  
Kylee Bashirelahi ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Intraclass Correlation ◽  
Correlation Coefficients ◽  
Operational Reliability ◽  
Intraclass Correlation Coefficients ◽  
Adult Participants ◽  
Detectable Difference ◽  
Assess Treatment Response ◽  
Test Retest Reliability

Using healthy adult participants, seven measures of heart rate variability were obtained simultaneously from four devices in five behavioral conditions. Two devices were ECG-based and two utilized photoplethysmography. The 140 numerical values (measure, condition, device) are presented. The comparative operational reliability of the four devices was assessed, and it was found that the two ECG-base devices were more reliable than the photoplethysmographic devices. The interchangeability of devices was assessed by determining the between-device Limits of Agreement. Intraclass correlation coefficients were determined and used to calculate the standard error of measurement and the Minimal Detectable Difference. The Minimal Detectable Difference, MDD, quantifies the smallest statistically significant change in a measure and is therefore critical when HRV measures are used longitudinally to assess treatment response or disease progression.

scholarly journals Short-term Heart Rate Variability Analysis in Healthy Dogs of Different Ages

2022 ◽  
Vol 50 ◽  
Author(s):  
Luciene Maria Martinello Romão ◽  
Amanda Sarita Cruz Aleixo ◽  
Felipe Gazza Romão ◽  
Mayra De Castro Ferreira Lima ◽  
Miriam Tsunemi ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Frequency Domain ◽  
Time Domain ◽  
Age Groups ◽  
The Other ◽  
Short Term ◽  
Heart Rate Monitor ◽  
Rr Intervals ◽  
Healthy Dogs

Background: The modulation of heart rate by autonomic nervous system may be evaluated by the heart rate variability (HRV), which illustrates the fluctuations between RR intervals. To evaluate this analysis, the intervals between 2 QRS complexes are measured. In general, high HRV values are expected in healthy individuals; otherwise, low values are indicative of organism dysfunction. Studies conducted in healthy humans show that HRV suffers reduction with ageing and that there is autonomic immaturity in neonates. The aim of this study was to describe the characteristic pattern of cardiac autonomic behavior in healthy dogs in different age groups through short-term HRV analysis.Materials, Methods & Results: A total of 87 healthy dogs were studied. HRV was analyzed in time and frequency domain, using Holter and heart rate monitor. It was observed that puppies (below one year old) presented a lower parasympathetic predominance and, consequently, lower HRV values on time domain (SDNN, PNN50% e RMSSD) compared to the other 2 groups and on frequency domain (LF, HF and LF/HF) compared to the adult animals group (between 1 and 7-year-old), which presented higher HRV values when compared to the other groups. Elderly dogs (over 8-year-old) exhibited a natural tendency to decrease cardiac parasympathetic HRV indexes.Discussion: The use of the HRV method as a prognostic index and as an arrhythmogenic marker for various canine heart diseases presents interesting perspectives. However, before it may be employed for these purposes, a better understanding should be established regarding the physiological behavior of autonomic cardiac modulation in different age groups to serve as a basis for future analyses. This study observed that puppies presented higher values for HR and, therefore, shorter RR intervals than the other groups (adult and elderly dogs), what was observed on Holter and heart rate monitor methods (HRM). There were significant differences between puppies and the other 2 groups (adults and elderly) for all time-domain variables using both methods (Holter and HRM methods). SDNN was significantly lower in puppies compared to adults and elderly dogs. In addition, both RMSSD and PNN50%, which were more reliable over shorter periods of time, also presented means and medians that were significantly lower in puppies. Regarding frequency-domain HRV parameters observed on Holter method, these indexes were decreased on the elderly group compared to adult dogs, which is a possible effect of aging. Also, puppies revealed lower frequency-domain HRV parameters on both methods when compared to adult dogs. The influence of age on HRV is possibly related to the stage of development of an individual, starting at conception up to the maturity in relation to the mechanisms that cause variations in HR. There are studies in humans that suggest a gradual increase in parasympathetic activity during childhood, followed by a steady decrease as aging occur. The present study observed the same pattern in dogs. The balance between sympathetic and parasympathetic systems is influenced by age in dogs, which alters HRV values in the short-term. The HRV method´s analysis is relatively simple and non-invasive for assessing cardiac autonomic function; also, it is widely used in human medicine as a risk measure for sudden cardiac death. The 24-hour HRV analysis is highly challenging, as it is time-consuming, expensive, delays diagnosis, and has a large number of artifacts; in this way, standards for its short-term analysis were developed. Keywords: cardiology, autonomic nervous system, heart rate monitor, Holter.

scholarly journals Validity and reliability properties of canine short-term heart rate variability measures—a pilot study

2015 ◽  
Vol 10 (5) ◽  
pp. 384-390 ◽  
Author(s):  
Ann Essner ◽  
Rita Sjöström ◽  
Pia Gustås ◽  
Laurie Edge-Hughes ◽  
Lena Zetterberg ◽  
...  
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Pilot Study ◽  
Validity And Reliability ◽  
Short Term

Reliability of Heart Rate Variability in Children: Influence of Sex and Body Position During Data Collection

2017 ◽  
Vol 29 (2) ◽  
pp. 228-236 ◽  
Author(s):  
Carla Cristiane Silva ◽  
Maurizio Bertollo ◽  
Felipe Fossati Reichert ◽  
Daniel Alexandre Boullosa ◽  
Fábio Yuzo Nakamura
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Supine Position ◽  
Repeated Measures ◽  
Body Position ◽  
Intraclass Correlation ◽  
Poincaré Plot ◽  
Rr Intervals ◽  
Type Method ◽  
Mean Square Difference

Purpose:To examine which body position and indices present better reliability of heart rate variability (HRV) measures in children and to compare the HRV analyzed in different body positions between sexes.Method:Twenty eutrophic prepubertal children of each sex participated in the study. The RR intervals were recorded using a portable heart rate monitor twice a day for 7 min in the supine, sitting, and standing positions. The reproducibility was analyzed using the intraclass correlation coefficient (ICC; two way mixed) and within-subject coefficient of variation (CV).Two-way ANOVA with repeated measures was used to compare the sexes.Results:High levels of reproducibility were indicated by higher ICC in the root-mean-square difference of successive normal RR intervals (RMSSD: 0.93 and 0.94) and Poincaré plot of the short-term RR interval variability (SD1: 0.92 and 0.94) parameters for boys and girls, respectively, in the supine position. The ICCs were lower in the sitting and standing positions for all HRV indices. In addition, the girls presented significantly higher values than the boys for SDNN and absolute high frequency (HF; p < .05) in the supine position.Conclusions:The supine position is the most reproducible for the HRV indices in both sexes, especially the vagal related indices.

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