Bidirectional Relationship Between Long Sleep Duration and Cardiac Autonomic Control in Community-Dwelling Older Adults: The Yilan Study, Taiwan

IF 3.6 3区医学 Q2 GERIATRICS & GERONTOLOGY

International Journal of Geriatric Psychiatry Pub Date : 2024-10-04 DOI:10.1002/gps.6155

Ruei-An Lin, Chia-Ling Liao, Po-Jung Pan, Nai-Wei Hsu, Hsi-Chung Chen

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引用次数: 0

Abstract

Objectives

Long sleep duration predicts adverse health outcomes in older adults. Impaired cardiac autonomic control (CAC) is a potential pathomechanism that links this relationship; however, the causal relationship between long sleep duration and CAC remains unclear. This study aimed to determine the temporal relationship between long sleep duration and poor CAC.

Methods

This is a community-based, fixed-cohort, follow-up study that recruited community-dwelling older adults aged ≥ 65 years. Self-reported sleep duration was categorized as short (≤ 5 h), mid-range (6–7 h), and long (≥ 8 h). Participants with short or long sleep duration were defined as cases. CAC was measured using heart rate variability (HRV), and cases were classified using cutoffs defined by the lowest quintiles of four HRV parameters. Non-case participants for sleep duration or CAC at baseline were followed. Binary and multinomial logistic regression analyses were conducted to examine baseline variables that predicted incident CAC decline and changes in sleep duration, respectively.

Results

A total of 772 individuals were recruited, with a mean follow-up period of 5.8 ± 1.7 years. In multivariable analyses, long sleep duration at baseline predicted a higher risk of cardiac vagal control decline in the follow-up visit (odds ratio: 1.86, 95% confidence interval: 1.00–3.44). Conversely, all HRV parameters at baseline failed to predict changes in sleep duration at the follow-up visit.

Conclusions

Long sleep duration seems to precede the decline in CAC in community-dwelling older adults.

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社区老年人的长睡眠时间与心脏自主神经控制之间的双向关系：台湾宜兰研究

目的：睡眠时间长会对老年人的健康产生不良影响。心脏自主神经控制（CAC）受损是导致这种关系的潜在病理机制；然而，睡眠时间长与CAC之间的因果关系仍不清楚。本研究旨在确定长睡眠时间与不良 CAC 之间的时间关系：这是一项基于社区的固定队列随访研究，招募了年龄≥ 65 岁、居住在社区的老年人。自我报告的睡眠时间分为短（≤ 5 小时）、中（6-7 小时）和长（≥ 8 小时）。睡眠时间短或长的参与者被定义为病例。CAC是通过心率变异性（HRV）测量的，病例是通过四个心率变异性参数的最低五分位数来划分的。对基线睡眠时间或 CAC 的非病例参与者进行跟踪调查。研究人员进行了二元和多叉逻辑回归分析，分别研究了预测CAC下降和睡眠时间变化的基线变量：结果：共招募了 772 人，平均随访时间为 5.8 ± 1.7 年。在多变量分析中，基线睡眠时间长预示着随访中心脏迷走神经控制下降的风险较高（几率比：1.86，95% 置信区间：1.00-3.44）。相反，基线时的所有心率变异参数都不能预测随访时睡眠时间的变化：结论：在社区居住的老年人中，睡眠时间长似乎是CAC下降的先兆。

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

International Journal of Geriatric Psychiatry 医学-精神病学

CiteScore

6.10

自引率

2.50%

发文量

168

审稿时长

4-8 weeks

期刊介绍： The rapidly increasing world population of aged people has led to a growing need to focus attention on the problems of mental disorder in late life. The aim of the Journal is to communicate the results of original research in the causes, treatment and care of all forms of mental disorder which affect the elderly. The Journal is of interest to psychiatrists, psychologists, social scientists, nurses and others engaged in therapeutic professions, together with general neurobiological researchers. The Journal provides an international perspective on the important issue of geriatric psychiatry, and contributions are published from countries throughout the world. Topics covered include epidemiology of mental disorders in old age, clinical aetiological research, post-mortem pathological and neurochemical studies, treatment trials and evaluation of geriatric psychiatry services.