Abstract
Objectives
According to the recently proposed diagnostic criteria for sarcopenic dysphagia, sarcopenic dysphagia can be classified as probable or possible based on tongue pressure. However, it is unclear whether patients with probable and possible sarcopenic dysphagia have different characteristics. Therefore, this study aimed to investigate whether patients with possible and probable sarcopenic dysphagia have different clinical characteristics.
Design
A cross-sectional study. Setting: A rehabilitation hospital. PARTICIPANTS: In total, 129 patients aged ≥65 years with sarcopenic dysphagia were included.
Methods
A tongue pressure of <20 kPa was indicative of probable sarcopenic dysphagia, and a tongue pressure of ≥20 kPa was indicative of possible sarcopenic dysphagia. Kuchi-Kara Taberu (KT) index scores were compared between the probable or possible sarcopenic dysphagia groups.
Results
According to the tongue pressure, 76 and 53 patients were classified into the probable and possible sarcopenic dysphagia groups, respectively. In multiple linear regression analysis, the presence of probable sarcopenic dysphagia was independently associated with the total KT index score (standardized coefficient: −0.313, regression coefficient: −4.500, 95% confidence interval [CI], −6.920 to −2.080, P < 0.001). The presence of probable sarcopenic dysphagia was independently associated with some subitems of the KT index (willingness to eat, cognitive function while eating, oral preparatory and propulsive phase, severity of pharyngeal dysphagia, eating behavior, and daily living activities).
Conclusions
Patients with probable sarcopenic dysphagia were characterized by poor overall eating-related conditions, especially poor swallowing ability, ability to perform activities of daily living, and nutritional status.
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Acknowledgments
This research was supported by a research grant from Japanese Society of Dysphagia Rehabilitation (Shimizu A) and Research Funding of Longevity Sciences (Grant number: 20–57) of the Ministry of Health, Labour and Welfare of Japan (Maeda K). The authors would like thank the following members of the Japanese Working Group on Sarcopenic Dysphagia for their dedicated guidance: Takashi Mori, Department of Oral and Maxillofacial Surgery, Southern Tohoku General Hospital; Dr. Masataka Itoda, Department of Oral Rehabilitation, Osaka Dental University Hospital; Dr. Nami Ogawa, Department of Dysphagia Rehabilitation, Tokyo Medical and Dental University; Dr. Fumiko Oshima, Department of Rehabilitation Medicine, Suwa Red Cross Hospital; Dr. Kenjiro Kunieda, Department of Neurology, Gifu University Graduate School of Medicine Takashi Shigematsu, Department of Rehabilitation Medicine, Hamamatsu City Rehabilitation Hospital; Dr. Minoru Yamada, Graduate School of Comprehensive Human Sciences, University of Tsukuba; Dr. Sumito Ogawa, Department of Geriatric Medicine, Graduate School of Medicine, University of Tokyo; Dr. Kazuki Fukuma, Department of Neurology, National Cerebral and Cardiovascular Center; Dr. Ai Hirano, Department of Otolaryngology and Head and Neck Surgery, Tohoku University Graduate School of Medicine; and Dr. Keishi Okamoto, Department of Rehabilitation, Hamamatsu City Rehabilitation Hospital.
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Ethical standards: This study was performed in accordance with the ethical standards of the Declaration of Helsinki 1964 and its later amendments.
Conflict of Interest: The authors declare that they have no conflict of interest.
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Shimizu, A., Maeda, K., Wakabayashi, H. et al. Sarcopenic Dysphagia with Low Tongue Pressure Is Associated with Worsening of Swallowing, Nutritional Status, and Activities of Daily Living. J Nutr Health Aging 25, 883–888 (2021). https://doi.org/10.1007/s12603-021-1641-3
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DOI: https://doi.org/10.1007/s12603-021-1641-3