Comparing 30 Versus 60 min Cognitively Loaded Physical Exercise on Cognitive Function and Physical Health in Community-Dwelling Older Adults With Mild Cognitive Impairment: A Double-Blind Randomized Controlled Trial

IF 3.6 3区医学 Q2 GERIATRICS & GERONTOLOGY

International Journal of Geriatric Psychiatry Pub Date : 2024-11-12 DOI:10.1002/gps.70012

Sung-Hyeon Kim, Ho-Jin Shin, Ji-Eun Baek, Ji Young Park, May Kim, Suk-Chan Hahm, Hwi-Young Cho

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引用次数: 0

Abstract

Objectives

Mild cognitive impairment (MCI) is characterized by a mild decline in cognitive function and represents a risk stage for dementia in community-dwelling older adults. Exercise and dual-task training have been used to improve physical health, psychosocial health, and cognitive and learning functions in various subjects. However, the optimal time for these interventions has yet to be clearly identified. This study investigated the effects of cognitively loaded physical exercise (CLPE) on cognitive function and physical health in community-dwelling older adults with mild cognitive impairment and compared the differences according to exercise time.

Methods

Fifty-one community-dwelling aged 60 years or older with MCI were randomly assigned to 30-min CLPE (30CLPE, n = 17), 60-min CLPE (60CLPE, n = 17), and control (n = 17) groups. The CLPE program consisted of a twice-weekly exercise program for 8 weeks. During the exercise, a dual task was performed to assess cognitive load. The control group performed a typical exercise program at a dementia center during the same period. The Korean version of the Montreal Cognitive Assessment was used to evaluate cognitive function, and various physical health factors were assessed using the handgrip dynamometer and pinch gauge, Senior Fitness Test, dynamic and static balance abilities, and gait variables.

Results

After the intervention, both the 30CLPE and 60CLPE groups showed significant improvements in cognitive function, upper limb strength, senior fitness, balance, and gait (p < 0.05), while the control group showed no significant changes in any of the variables (p > 0.05). In between-group comparisons, both CLPE groups showed significantly improved cognitive and physical functions compared to the control group (p < 0.05). However, there was no significant difference between the 30 CLPE and 60 CLPE groups (p > 0.05).

Conclusions

The results of this study demonstrate that cognitively loaded physical exercise is effective in improving cognitive and physical function in individuals with MCI. Both the 30-min and 60-min sessions resulted in significant improvements, with no statistically significant differences observed between the two durations. This suggests that persistence and consistency of exercise may be more important than the duration of individual sessions.

Trial Registration

Clinical Trials.gov: KCT0009053

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比较 30 分钟与 60 分钟认知负荷体育锻炼对社区居住的轻度认知障碍老年人的认知功能和身体健康的影响：双盲随机对照试验》。

目的：轻度认知障碍（MCI）的特点是认知功能轻度下降，是社区老年人患痴呆症的风险阶段。运动和双任务训练已被用于改善不同对象的身体健康、社会心理健康以及认知和学习功能。然而，这些干预措施的最佳时机尚未明确。本研究调查了认知负荷体育锻炼（CLPE）对患有轻度认知障碍的社区老年人的认知功能和身体健康的影响，并比较了不同锻炼时间的差异：51名60岁或以上患有MCI的社区居民被随机分配到30分钟CLPE组（30CLPE，n = 17）、60分钟CLPE组（60CLPE，n = 17）和对照组（n = 17）。CLPE计划包括每周两次的锻炼计划，为期8周。在运动过程中，进行双重任务以评估认知负荷。对照组则在同一时期在痴呆症中心进行典型的锻炼计划。韩文版蒙特利尔认知评估用于评估认知功能，而各种身体健康因素则通过手握式测力计和捏力计、老年体能测试、动态和静态平衡能力以及步态变量进行评估：干预后，30CLPE 组和 60CLPE 组在认知功能、上肢力量、老年体能、平衡能力和步态方面均有显著改善（P0.05）。在组间比较中，与对照组相比，CLPE 组的认知功能和身体功能均有明显改善（P 0.05）：本研究结果表明，认知负荷体育锻炼能有效改善 MCI 患者的认知和身体功能。30 分钟和 60 分钟的锻炼都能显著改善患者的认知和身体功能，两种锻炼时间之间没有统计学上的显著差异。这表明，运动的持久性和连贯性可能比单个疗程的持续时间更重要：试验注册：Clinical Trials.gov：试验注册：Clinical Trials.gov：KCT0009053。

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.