NDLI: Analysing effect of heart rate and age on radial artery pressure derived systolic and diastolic durations in healthy adults

Content Provider	IEEE Xplore Digital Library
Author	Li, Peng Karmakar, Chandan Liu, Chengyu Liu, Changchun
Copyright Year	2015
Description	Author affiliation: School of Control Science and Engineering, Shandong University, Jinan, China (Li, Peng; Liu, Chengyu; Liu, Changchun) \|\| Electrical & Electronic Engineering Department, University of Melbourne, Australia (Karmakar, Chandan)
Abstract	The measurements of cardiac systolic duration (SD) and diastolic duration (DD) have been well accepted as helpful tools for evaluating the cardiac functionality. In clinical practice, SD and DD are generally measured using echocardiography or heart sound signals. Recent studies have seen the attempts of approximating SD and DD by electrocardiogram (ECG) derived QT and TQ intervals, as well as radial artery pressure (RAP) derived foot-to-notch and notch-to-foot intervals. However, to the best of knowledge, there lacks deep elucidations on their performance when used as surrogate SD and DD data. We investigated the RAP-derived SD, DD, and ratio of SD to DD (S/D), to heart rate (HR) and age in healthy adults. Sixty healthy subjects were enrolled and their ECG and RAP signals were simultaneously recorded. The SD and DD were extracted automatically from RAP with the aid of the acceleration RAP. The HR was calculated using the RR interval extracted from ECG. Their mean values of 10 cardiac cycles were used in the analysis. Results demonstrated a negative linear relationship between SD and HR, a negative nonlinear relationship between DD and HR, and a positive linear relationship between S/D and HR (all p < 0.001). In addition, age did not suggest statistically significant relation with those RAP derived parameters. Our results were in common with previous publications, confirming that the RAP derived foot-to-notch and notch-to-foot intervals are good surrogates for the cardiac systolic and diastolic durations.
Starting Page	381
Ending Page	384
File Size	438450
Page Count	4
File Format	PDF
ISBN	9781509006854
ISSN	2325887X
e-ISBN	9781509006847
DOI	10.1109/CIC.2015.7408666
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Creative Commons Attribution License 2.5 (CCAL)
Subject Keyword	Heart rate Pediatrics Wrist Electrocardiography Fitting Hafnium
Content Type	Text
Resource Type	Article
Subject	Computer Science Cardiology and Cardiovascular Medicine

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