Relationship between heart rate variability and echocardiography indices of cardiac function in healthy individuals.

IF 1.3 4区医学 Q4 PHYSIOLOGY

Clinical Physiology and Functional Imaging Pub Date : 2024-11-05 DOI:10.1111/cpf.12910

Mushidur Rahman, Sophie L Russell, Nduka C Okwose, Charles J Steward, Helen Maddock, Prithwish Banerjee, Djordje G Jakovljevic

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引用次数: 0

Abstract

Purpose: This study evaluated the relationship between HRV and echocardiography indices of cardiac function.

Methods: Healthy individuals (N = 30) aged 33 ± 10 years old, underwent short-term resting HRV assessment and transthoracic echocardiography with speckle tracking analysis. Time domain - (i.e. R-R interval, root mean square of successive RR interval difference (RMSSD), standard deviation of normal RR intervals (SDNN) and frequency domain-measures of HRV (i.e. high-frequency power (HF), low-frequency power (LF), high-frequency normalised (HFnorm) and low-frequency normalised (LFnorm)). Echocardiography indices of cardiac function included; Left ventricular ejection fraction (LVEF), left- and right-ventricular global longitudinal strain (LV-GLS, and RV GLS), left atrial strain: left atrial reservoir (LA_res), left atrial conduit (LA_con) and left atrial contraction (LA_CT).

Results: The mean values for HRV time-domain measures were: R-R (991 ± 176 ms), SDNN (50.9 ± 21.5 ms), and RMSSD (46.8 ± 29.4 ms); and frequency-domain: LF (727 ± 606 ms²), HF (415 ± 35 ms²), LFnorm (56 ± 19.4) and HFnorm (36.5 ± 18.8). Mean values for indices of cardiac function were LVEF (59.9% ± 2.8%), LV-GLS (19.2% ± 1.4%), RV-GLS (21.7% ± 2.7%), LA_res (36.8% ± 6.99%), LA_con (26.2% ± 6.95%) and LA_CT (12.3% ± 3.56%). There was a significant negative relationship between HF and LV-GLS (r = -0.47, p = 0.01) and RMSSD and LVEF (r = -0.39, p = 0.03) respectively.

Conclusion: Heart rate variability measures such as high frequency power and RMSSD are associated with left ventricle systolic function in healthy individuals.

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健康人的心率变异性与心脏功能超声心动图指数之间的关系。

目的：本研究评估了心率变异与心脏功能超声心动图指标之间的关系。方法：年龄在 33 ± 10 岁之间的健康人（N = 30）接受了短期静息心率变异评估和带有斑点追踪分析的经胸超声心动图检查。心率变异的时域测量（即 R-R 间期、连续 RR 间期差的均方根（RMSSD）、正常 RR 间期的标准偏差（SDNN））和频域测量（即高频功率（HF）、低频功率（LF）、高频归一化（HFnorm）和低频归一化（LFnorm））。心脏功能的超声心动图指标包括：左室射血分数（LVEF）、左室和右室整体纵向应变（LV-GLS 和 RV GLS）、左房应变：左房蓄积（LAres）、左房导管（LAcon）和左房收缩（LACT）：心率变异时域测量的平均值为R-R (991 ± 176 ms)、SDNN (50.9 ± 21.5 ms) 和 RMSSD (46.8 ± 29.4 ms)；频域测量值为低频（727 ± 606 ms2）、高频（415 ± 35 ms2）、低频标准（56 ± 19.4）和高频标准（36.5 ± 18.8）。心功能指数的平均值为 LVEF（59.9% ± 2.8%）、LV-GLS（19.2% ± 1.4%）、RV-GLS（21.7% ± 2.7%）、LAres（36.8% ± 6.99%）、LAcon（26.2% ± 6.95%）和 LACT（12.3% ± 3.56%）。HF与LV-GLS（r = -0.47，p = 0.01）、RMSSD与LVEF（r = -0.39，p = 0.03）之间分别存在明显的负相关：结论：高频功率和 RMSSD 等心率变异性指标与健康人的左心室收缩功能有关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Clinical Physiology and Functional Imaging 医学-生理学

CiteScore

3.40

自引率

5.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Clinical Physiology and Functional Imaging publishes reports on clinical and experimental research pertinent to human physiology in health and disease. The scope of the Journal is very broad, covering all aspects of the regulatory system in the cardiovascular, renal and pulmonary systems with special emphasis on methodological aspects. The focus for the journal is, however, work that has potential clinical relevance. The Journal also features review articles on recent front-line research within these fields of interest. Covered by the major abstracting services including Current Contents and Science Citation Index, Clinical Physiology and Functional Imaging plays an important role in providing effective and productive communication among clinical physiologists world-wide.