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Jiang W, Zou Y, Huang L, Zeng Y, Xiao LD, Chen Q, Zhang F. Gustatory stimulus interventions for older adults with dysphagia: a scoping review. Aging Clin Exp Res 2023:10.1007/s40520-023-02437-4. [PMID: 37209267 DOI: 10.1007/s40520-023-02437-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 05/07/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND Gustatory stimulus interventions have been shown to improve swallowing function in older adults with dysphagia. However, the optimal intervention strategies as well as their effects and safety remain unclear. AIMS To explore current evidence regarding gustatory stimulus interventions for dysphagia in older adults. METHODS Nine electronic databases (PubMed, Web of Science, Embase, CINAHL, Cochrane Library, China National Knowledge Infrastructure, Wanfang Database, China Science and Technology Journal Database, and Sinomed) were searched from their inception to August 2022. RESULTS This review identified 263 articles, and 15 met the inclusion criteria. The types of gustatory stimulus interventions included spicy (n = 10), sour (n = 3), and mixed (sour-sweet) stimuli (n = 2), with most studies focusing on spicy stimuli. The most frequently reported spicy stimulus was capsaicin. Further, the most commonly reported intervention frequency was thrice a day before meals for 1-4 weeks. The stimuli concentrations and dosages could not be standardized due to the among-study heterogeneity. These studies reported 16 assessment tools and 42 outcomes, which mainly included videofluoroscopy and swallowing response time respectively. More than half of the included studies reported no adverse effects of gustatory stimulus interventions. CONCLUSION AND DISCUSSIONS Gustatory stimulus interventions improved swallowing function in older adults with dysphagia. However, assessment tools and outcomes for dysphagia should be standardized in the future, and explore personalized interventions based on different diseases and their stages, to determine the most cost-effective interventions, and to prevent its complications.
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Affiliation(s)
- Wenyi Jiang
- West China School of Nursing, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
- Innovation Center of Nursing Research, Sichuan University, Chengdu, China
- West China Hospital, Sichuan University, Chengdu, China
| | - Ying Zou
- West China School of Nursing, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
- Innovation Center of Nursing Research, Sichuan University, Chengdu, China
- West China Hospital, Sichuan University, Chengdu, China
| | - Lei Huang
- West China School of Nursing, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
- Innovation Center of Nursing Research, Sichuan University, Chengdu, China
- West China Hospital, Sichuan University, Chengdu, China
| | - Yanli Zeng
- School of Nursing, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lily Dongxia Xiao
- College of Nursing & Health Sciences, Flinders University, Adelaide, Australia
| | - Qian Chen
- West China School of Nursing, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan, China
- Nursing Key Laboratory of Sichuan Province, Chengdu, China
- National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Center of Gerontology and Geriatrics, West China Hospital, Sichuan University, Chengdu, China
| | - Fengying Zhang
- West China School of Nursing, West China Hospital, Sichuan University, No. 37, Guoxue Alley, Wuhou District, Chengdu, 610041, Sichuan, China.
- Nursing Key Laboratory of Sichuan Province, Chengdu, China.
- Innovation Center of Nursing Research, Sichuan University, Chengdu, China.
- West China Hospital, Sichuan University, Chengdu, China.
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