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Article type: Research Article
Authors: Oh, Dong-Hwana | Park, Ji-Sub | Kim, Hee-Jeonga | Chang, Moon-Youngc | Hwang, Na-Kyoungd; *
Affiliations: [a] Department of Occupational Therapy, Kyung-Dong University, Korea | [b] Advanced Human Resource Development Project Group for Health Care in Aging Friendly Industry, DongSeo University, Korea | [c] Department of Occupational Therapy, College of Healthcare Medical Science and Engineering, Inje University, Korea | [d] Department of Occupational Therapy, Seoul North Municipal Hospital, Korea
Correspondence: [*] Corresponding author: Na-Kyoung Hwang, Department of Occupational Therapy, Seoul North Municipal Hospital, Yangwonyeok-ro, Jungnang-gu, Seoul, Korea. Tel.: +82 10 6679 3070; Fax: +82 2 2036 0278; E-mail: [email protected].
Abstract: OBJECTIVE: To examine the effects of neuromuscular electrical stimulation (NMES) on oropharyngeal swallowing function according to 2 types of placement, acting as assistance and as resistance, in stroke patients with dysphagia. METHODS: Thirty-eight stroke patients with dysphasia were randomly assigned to the suprahyoid group (SMG), or infrahyoid muscle group (IMG); 26 patients completed the intervention and were included in the analysis. In the SMG, the electrodes were placed on the region between the jaw and the hyoid bone, whereas in the IMG, the electrodes were placed on the region below the hyoid for the targeted infrahyoid muscles. Both groups received NMES for 30 min/d, 5 d/wk, for 4 weeks and conventional dysphagia therapy. Swallowing function was measured using the Videofluoroscopic Dysphagia Scale and Penetration-Aspiration Scale based on videofluoroscopic swallowing study. Oral dietary intake was measured using the Functional Oral Intake Scale. RESULTS: Both groups showed significant improvements in oropharyngeal function and level of functional oral intake, but there was no significant difference between the two groups. However, the SMG showed a more reduced penetration-aspiration, compared with the IMG. CONCLUSIONS: Altogether, these data demonstrate that 2 types of NMES placements have a similar effect on improving swallowing function and oral diet intake in patients with dysphagia.
Keywords: Dysphagia, stroke, electrical stimulation, rehabilitation
DOI: 10.3233/BMR-181133
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. 33, no. 4, pp. 637-644, 2020
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