SEARCHNARRATIVE_REVIEWgeriatrics, clinical nutrition

narrative_review·geriatrics, clinical nutrition, neurology, research methods, internal medicine·PMC10460049

Ultrasonography for Eating and Swallowing Assessment: A Narrative Review of Integrated Insights for Noninvasive Clinical Practice

Nutrients · 9 authors, 5 centres

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TL;DR

This narrative review describes how ultrasound can be used to noninvasively visualize and measure swallowing-related muscles and structures. The central insight is that ultrasound is a feasible, portable, and cost-effective tool for assessing swallowing function, potentially aiding in the diagnosis of conditions like sarcopenic dysphagia.

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This narrative review synthesizes literature on using ultrasound to evaluate swallowing-related structures, including the tongue, masseter muscle, and hyoid bone. It highlights that ultrasound is a noninvasive, relatively inexpensive, and portable alternative to invasive methods like videofluoroscopy. Central findings indicate that ultrasound can measure muscle thickness and movement, with reported associations between decreased muscle mass and impaired swallowing function. The review proposes protocols for clinical application, particularly for diagnosing sarcopenic dysphagia. Limitations include the lack of standardized methods, challenges with probe stability during swallowing, and the paucity of food-based assessment studies. The implications are that ultrasound may enable bedside evaluation of swallowing and nutritional status, though further standardization is needed.

STUDY TYPE

narrative_review

SPECIALTY

geriatrics

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AI pipeline

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100% · A

ORIGINAL PAPER

PMC10460049

Ultrasonography for Eating and Swallowing Assessment: A Narrative Review of Integrated Insights for Noninvasive Clinical Practice

Nutrients

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ABSTRACT

Dysphagia is a syndrome of abnormal eating function resulting from a variety of causative diseases, and is associated with malnutrition. To date, the swallowing function has been difficult to examine without the use of invasive and expensive methods, such as the videofluorographic swallowing study or fiberoptic endoscopic evaluation of swallowing. In recent years, progress has been made in the clinical application of ultrasound equipment for the evaluation of body compositions near the body surface, including the assessment of nutritional status. Ultrasound examination is a noninvasive procedure and relatively inexpensive, and the equipment required is highly portable thanks to innovations such as wireless probes and tablet monitoring devices. The process of using ultrasound to visualize the geniohyoid muscle, digastric muscle, mylohyoid muscle, hyoid bone, tongue, masseter muscle, genioglossus muscle, orbicularis oris muscle, temporalis muscle, pharynx, esophagus, and larynx, and the methods used for evaluating these structures, are provided in this study in detail. This study also aims to propose a protocol for the assessment of swallowing-related muscles that can be applied in real-world clinical practice for the diagnosis of sarcopenic dysphagia, which can occur in elderly patients with sarcopenia, and has received much attention in recent years.

CITATION EXPORT

Keisuke Maeda, Motoomi Nagasaka, Ayano Nagano et al.. Ultrasonography for Eating and Swallowing Assessment: A Narrative Review of Integrated Insights for Noninvasive Clinical Practice. Nutrients. (2023). https://doi.org/10.3390/nu15163560

AUTHORS

9 · 5 CENTRES

Keisuke Maeda, Motoomi Nagasaka, Ayano Nagano, Shinsuke Nagami, Kakeru Hashimoto, Masaki Kamiya, Yuto Masuda, Kenichi Ozaki, Koki Kawamura

1Nutrition Therapy Support Center, Aichi Medical University Hospital, Nagakute 480-1195, Japan
2Department of Geriatric Medicine, Hospital, National Center for Geriatrics and Gerontology, Obu 474-8511, Japan
3Department of Rehabilitation Medicine, Hospital, National Center for Geriatrics and Gerontology, Obu 474-8511, Japan; [email protected] (M.N.); [email protected] (K.H.); [email protected] (M.K.); [email protected] (Y.M.); [email protected] (K.O.); [email protected] (K.K.)
4Department of Nursing, Nishinomiya Kyoritsu Neurosurgical Hospital, Nishinomiya 663-8211, Japan; [email protected]
5Department of Speech Language Pathology and Audiology, Faculty of Rehabilitation, Kawasaki University of Medical Welfare, Okayama 701-0193, Japan; [email protected]

EDITOR / REVIEWER

Antonios Dakanalis, Patrizia D’Amelio