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Gallegos C, Turcanu M, Assegehegn G, Brito-de la Fuente E. Rheological Issues on Oropharyngeal Dysphagia. Dysphagia 2023; 38:558-585. [PMID: 34216239 DOI: 10.1007/s00455-021-10337-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/23/2021] [Indexed: 10/20/2022]
Abstract
There is an increasing proof of the relevance of rheology on the design of fluids for the diagnosis and management of dysphagia. In this sense, different authors have reported clinical evidence that support the conclusion that an increase in bolus viscosity reduces the risks of airway penetration during swallowing. However, this clinical evidence has not been associated yet to the definition of objective viscosity levels that may help to predict a safe swallowing process. In addition, more recent reports highlight the potential contribution of bolus extensional viscosity, as elongational flows also develops during the swallowing process. Based on this background, the aim of this review paper is to introduce the lecturer (experts in Dysphagia) into the relevance of Rheology for the diagnosis and management of oropharyngeal dysphagia (OD). In this sense, this paper starts with the definition of some basic concepts on Rheology, complemented by a more extended vision on the concepts of shear viscosity and elongational viscosity. This is followed by a short overview of shear and elongational rheometrical techniques relevant for the characterization of dysphagia-oriented fluids, and, finally, an in-depth analysis of the current knowledge concerning the role of shear and elongational viscosities in the diagnosis and management of OD (shear and elongational behaviors of different categories of dysphagia-oriented products and contrast fluids for dysphagia assessment, as well as the relevance of saliva influence on bolus rheological behavior during the swallowing process).
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Affiliation(s)
- Crispulo Gallegos
- Product and Process Engineering Center, Fresenius Kabi Deutschland GmbH, Daimlerstrasse 22, 61352, Bad Homburg, Germany.
| | - Mihaela Turcanu
- Product and Process Engineering Center, Fresenius Kabi Deutschland GmbH, Daimlerstrasse 22, 61352, Bad Homburg, Germany
| | - Getachew Assegehegn
- Product and Process Engineering Center, Fresenius Kabi Deutschland GmbH, Daimlerstrasse 22, 61352, Bad Homburg, Germany
| | - Edmundo Brito-de la Fuente
- Product and Process Engineering Center, Fresenius Kabi Deutschland GmbH, Daimlerstrasse 22, 61352, Bad Homburg, Germany
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Son WC, Min JY, Shin HT, Seo KC, Choi KH. Adapting the International Dysphagia Diet Standardisation Initiative in East Asia: Feasibility study. Medicine (Baltimore) 2022; 101:e31137. [PMID: 36281173 PMCID: PMC9592427 DOI: 10.1097/md.0000000000031137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
In dysphagia, food or water cannot be delivered safely through the oral cavity to the stomach; both are treated using texture-modified food and thickened fluid. Before, each country had its own diet modifications and texture measurement standards. In 2012, the International Dysphagia Diet Standardisation Initiative (IDDSI) was developed by several countries. Owing to cultural differences, it was necessary to determine whether the IDDSI could well be applied to clinicians and patients without difficulties in East Asia countries. To evaluate the IDDSI scale to find out the difficulties applying this scale in East Asia countries to educate the clinicians and patients. In May 2021, we enrolled physicians, nurses, nutritionists, and swallowing therapists involved in dysphagia treatment at a single center in Seoul. To evaluate the degree of understanding and difficulties of adapting IDDSI to clinicians in East Asia countries, we used the 17-item questionnaire with IDDSI sample foods and foods in Asian countries. In first 7 items, we compared IDDSI with the previously used scale based on the National Dysphagia Diet (NDD). In the next 10 questions, only the IDDSI levels were answered, and the absolute values of the answer-response differences were calculated. The IDDSI showed a significantly high intraclass correlation with the previously used NDD-based scale; the coefficient was higher for the nutritionists (0.988) and swallowing therapists (0.991). When evaluating whether the IDDSI could applied well in East Asia countries, the absolute values of the answer-response differences were lower than 0.5 in majority of levels, except for Level 4. Because the IDDSI framework might successfully be applied universally regardless of food culture, a worldwide standard for food rheology in dysphagia treatment might be possible.
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Affiliation(s)
- Woo Chul Son
- Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ji Yeon Min
- Dietetics and Nutrition Services Team, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hee Tae Shin
- Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyung Cheon Seo
- Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyoung Hyo Choi
- Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- *Correspondence: Kyoung Hyo Choi, Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-Ro 43-Gil, Songpa-gu, Seoul 05505, Korea (e-mail: )
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Amaya PA, Maria L, Anna S, Rosa P, Helena B, Lluis V. Differences in the use of food textures in oropharyngeal dysphagia according to the place of living. Clin Nutr ESPEN 2022; 48:196-201. [DOI: 10.1016/j.clnesp.2022.02.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 12/02/2021] [Accepted: 02/16/2022] [Indexed: 10/19/2022]
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Icht M, Ben-David N, Mama Y. Using Vocal Production to Improve Long-Term Verbal Memory in Adults with Intellectual Disability. Behav Modif 2020; 45:715-739. [PMID: 32054309 DOI: 10.1177/0145445520906583] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Individuals with intellectual disability (ID) typically show weak long-term memory (LTM) skills. Understanding verbal LTM processes and searching for effective mnemonics in this population is important, to improve intervention programs. The current study aimed to assess verbal LTM abilities of adults with mild ID of mixed etiologies, and to offer a simple memorization technique based on vocal production. Participants (n = 55) learned lists of different study materials (images of familiar and unfamiliar objects, written words, and sentences) by vocal production (saying or reading aloud) or by no-production (looking, listening, or reading silently). Memory tests followed. Better memory was found for vocally produced images of familiar objects, written words, and sentences. The results show that adults with mild ID can benefit from the relative distinctiveness of items at study. Hence, vocalization may be used in educational and therapeutic contexts for this population, improving memory performance.
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Affiliation(s)
- Michal Icht
- Department of Communication Disorders, Ariel University, Ariel, Israel
| | - Nophar Ben-David
- Beit Amichai daycare center, Amichai association, Hod HaSharon, Israel
| | - Yaniv Mama
- Department of Behavioral Sciences and Psychology, Ariel University, Ariel, Israel
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Sungsinchai S, Niamnuy C, Wattanapan P, Charoenchaitrakool M, Devahastin S. Texture Modification Technologies and Their Opportunities for the Production of Dysphagia Foods: A Review. Compr Rev Food Sci Food Saf 2019; 18:1898-1912. [PMID: 33336963 DOI: 10.1111/1541-4337.12495] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/16/2019] [Accepted: 07/28/2019] [Indexed: 12/27/2022]
Abstract
Dysphagia or swallowing difficulty is a common morbidity experienced by those who have suffered a stroke or those undergone such treatments as head and neck surgeries. Dysphagic patients require special foods that are easier to swallow. Various technologies, including high-pressure processing, high-hydrodynamic pressure processing, pulsed electric field treatment, plasma processing, ultrasound-assisted processing, and irradiation have been applied to modify food texture to make it more suitable for such patients. This review surveys the applications of these technologies for food texture modification of products made of meat, rice, starch, and carbohydrates, as well as fruits and vegetables. The review also attempts to categorize, via the use of such key characteristics as hardness and viscosity, texture-modified foods into various dysphagia diet levels. Current and future trends of dysphagia food production, including the use of three-dimensional food printing to reduce the design and fabrication time, to enhance the sensory characteristics, as well as to create visually attractive foods, are also mentioned.
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Affiliation(s)
- Sirada Sungsinchai
- Dept. of Chemical Engineering, Faculty of Engineering, Kasetsart Univ., Bangkok, 10900, Thailand
| | - Chalida Niamnuy
- Dept. of Chemical Engineering, Faculty of Engineering, Kasetsart Univ., Bangkok, 10900, Thailand.,Research Network of NANOTEC-KU on NanoCatalysts and NanoMaterials for Sustainable Energy and Environment, Kasetsart Univ., Bangkok, 10900, Thailand
| | - Pattra Wattanapan
- Dept. of Rehabilitation Medicine, Faculty of Medicine, and Dysphagia Research Group, Khon Kaen Univ., Khon Kaen, 40002, Thailand
| | - Manop Charoenchaitrakool
- Dept. of Chemical Engineering, Faculty of Engineering, Kasetsart Univ., Bangkok, 10900, Thailand
| | - Sakamon Devahastin
- Advanced Food Processing Research Laboratory, Dept. of Food Engineering, Faculty of Engineering, King Mongkut's Univ. of Technology Thonburi, Bangkok, 10140, Thailand.,The Academy of Science, The Royal Society of Thailand, Dusit, Bangkok, 10300, Thailand
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