International Journal of Environmental Research and Public Health

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Dr. Akio Shimizu

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Department of Health Science, Faculty of Health and Human Development, The University of Nagano, Nagano 380-8525, Japan
Interests: dysphagia; sarcopenia; frailty

Special Issue Information

Dear Colleagues,

The prevalence of individuals with dysphagia has increased considerably with the increase in the number of older individuals. Dysphagia is associated with several complications such as choking, pneumonia, frailty, malnutrition, and sarcopenia. These conditions often coexist, and their synergistic effects can increase mortality.

Management of nutritional status and sarcopenia in the adult population with dysphagia is important to maintain quality of life. Oral care, nutritional care, and rehabilitation have the potential to improve hospitalization rates, mortality, and quality of life in the adult population. In addition, further research is required on the impact of oral frailty or oral hypofunction in the adult population with dysphagia.

This Special Issue aims to update knowledge on the impact and relevance of oral frailty, oral dysfunction, malnutrition, and sarcopenia on dysphagia in the adult population or on nutritional management and rehabilitation of these conditions. We invite the submission of clinical research, epidemiological research, and up-to-date reviews (scoping and systematic reviews, as well as well-written narrative reviews).

Dr. Akio Shimizu
Guest Editor

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Keywords

dysphagia
sarcopenia
sarcopenic dysphagia
oral frailty
oral hypofunction

Published Papers (1 paper)

Research

12 pages, 2409 KiB

Open AccessArticle

Association between Japanese Diet Adherence and Muscle Weakness in Japanese Adults Aged ≥50 Years: Findings from the JSTAR Cohort Study

by Akio Shimizu, Kiwako Okada, Yasutake Tomata, Chiharu Uno, Fumiya Kawase and Ryo Momosaki

Int. J. Environ. Res. Public Health 2023, 20(22), 7065; https://doi.org/10.3390/ijerph20227065 - 15 Nov 2023

Viewed by 1736

Abstract

Japanese diet adherence has been inversely correlated with muscle weakness. In this study, we aimed to validate that association. Longitudinal data from 1699 individuals aged ≥50 years (mean age 62.5 ± 6.9 years, 50.4% female) at two time points (2007 and 2011) were used. Participants without muscle weakness from several regions in Japan were included. The 12-component revised Japanese Diet Index (rJDI12) classified by tertiles assessed adherence to the Japanese dietary pattern. Muscle weakness was defined as a handgrip strength of ˂18 kg for females and ˂28 kg for males based on the Asian Working Group for Sarcopenia criteria 2019. A multivariate logistic approach was used to determine the relationship between rJDI12 tertile and the occurrence of muscle weakness by calculating the odds ratio (OR) and its 95% confidence interval (95% CI) throughout the observation period. Muscle weakness was negatively correlated with the highest rJDI12 tertile (OR [95% CI] 0.891 [0.814, 0.973] for T3). This association was consistent in sensitivity analyses with multiple imputations of missing values. Closely following the Japanese dietary pattern appears to reduce the occurrence of muscle weakness among the aging population in this study, suggesting it may prevent frailty and sarcopenia in the aging population. Full article

(This article belongs to the Special Issue Impact of Disability and Dysphagia in an Adult Population)

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