The role of zinc on nutritional status, sarcopenia, and frailty in older adults: a scoping review.

IF 5.9 2区医学 Q1 NUTRITION & DIETETICS Nutrition reviews Pub Date : 2024-06-10 DOI:10.1093/nutrit/nuad094

Hansani Madushika Abeywickrama, Mieko Uchiyama, Tomoko Sumiyoshi, Akiko Okuda, Yu Koyama

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Abstract

Background: Zinc (Zn) deficiency, malnutrition, sarcopenia, and frailty are prevalent among older adults and are prominent factors contributing to disability and mortality.

Objective: This scoping review was conducted to aid understanding of the extent and types of research addressing the role of Zn in nutritional status, sarcopenia, and frailty, among older individuals.

Method: A systematic search was performed in August 2022 of 3 electronic databases (PubMed, Web of Science, and ProQuest) using predefined search terms. The review was conducted referring to the Arksey and O'Malley framework and PRISMA-ScR.

Results: The search retrieved 16 018 records, and a total of 49 studies were included in this review after the screening. Of those, 30 were based on dietary Zn intake, 18 on tissue Zn levels, and 1 on both. Most studies were based on cross-sectional data from community-dwelling older adults. Studies addressing the associations between Zn status and individual anthropometric and sarcopenia-related variables reported inconsistent results. However, most studies reported inverse associations between malnutrition, frailty, and Zn status.

Conclusion: There was more consistent evidence of the relationship of Zn status with malnutrition, sarcopenia, and frailty rather than with individual nutritional parameters. Validated screening and assessment tools and criteria and prospective studies are required to elucidate the relationship of Zn with sarcopenia and frailty in the older population.

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锌对老年人营养状况、肌肉疏松症和虚弱的作用：范围综述。

背景：锌（Zn）缺乏、营养不良、肌肉疏松症和虚弱在老年人中十分普遍，是导致残疾和死亡的主要因素：本综述旨在帮助了解锌在老年人营养状况、肌肉疏松症和虚弱中的作用的研究范围和类型：方法：2022 年 8 月，我们使用预定义的检索词对 3 个电子数据库（PubMed、Web of Science 和 ProQuest）进行了系统检索。综述参照 Arksey 和 O'Malley 框架以及 PRISMA-ScR 进行：搜索共检索到 16 018 条记录，经过筛选，共有 49 项研究被纳入本综述。其中，30 项研究基于膳食锌摄入量，18 项研究基于组织锌水平，1 项研究基于两者。大多数研究基于社区老年人的横断面数据。有关锌含量与人体测量学和肌肉疏松症相关变量之间关系的研究报告结果并不一致。然而，大多数研究报告了营养不良、虚弱和锌状况之间的反向关系：有更一致的证据表明，锌状况与营养不良、肌肉疏松症和虚弱之间存在关系，而不是与个别营养参数之间存在关系。需要验证筛查和评估工具及标准，并开展前瞻性研究，以阐明老年人群中锌与肌少症和虚弱之间的关系。

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

Nutrition reviews 医学-营养学

CiteScore

12.20

自引率

1.60%

发文量

121

审稿时长

6-12 weeks

期刊介绍： Nutrition Reviews is a highly cited, monthly, international, peer-reviewed journal that specializes in the publication of authoritative and critical literature reviews on current and emerging topics in nutrition science, food science, clinical nutrition, and nutrition policy. Readers of Nutrition Reviews include nutrition scientists, biomedical researchers, clinical and dietetic practitioners, and advanced students of nutrition.