Biomedical papers - Ahead of Print

Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. X:X | 10.5507/bp.2017.043

Electrical stimulation of hyoid muscles in post-stroke dysphagia

Petr Konecnya,b,c,d, Milan Elfmarkb
a Department of Rehabilitation NMB Brno and CLR SMN Prostejov, Czech Republic
b Department of Physiotherapy, Faculty of Health Sciences, Palacky University Olomouc, Czech Republic
c Department of Neurology, Faculty of Medicine and Dentistry, Palacky University Olomouc and University Hospital Olomouc, Czech Republic
d Medical clinic Ordinace FBLR Elpis Olomouc, Czech Republic

Aims: The purpose of this study was to evaluate swallowing changes in post-stroke patients with dysphagia after four weeks of suprahyoid muscles electrical stimulation.

Methods: This was a prospective randomized study of early stage stroke patients with dysphagia. Electrical stimulation of suprahyoid muscles was given to a group of 54 patients (26 men, average age 70 years) for 20 minutes a day, 5 days a week. Standard orofacial rehabilitation without electrical stimulation was carried out on a control group of 54 patients (31 men, average age 69 years). Swallowing was evaluated at the beginning of the study and at the end, by videofluoroscopy - measuring the time for oral and pharyngeal phases.

Results: The difference in duration of oral transit time (OTT) after the therapy between the study group (average: 0.55 ± 0.01) and the control group (average: 0.29 ± 0.03) was statistically significant (P=0.01). Difference in duration of the pharyngeal transit time (PTT) after the therapy between the study group (average: 0.37 ± 0.02) and control group (average: 0.15 ± 0.02) was also statistically significant (P=0.009).

Conclusion: Electrical stimulation of suprahyoid muscles significantly reduced the duration of the oral and pharyngeal phases: in the post-stroke patients with dysphagia used in this study. The result is improved swallowing. This is a recently recommended approach and your study confirms its efficacy.

Keywords: stroke, dysphagia, electrical stimulation, suprahyoid muscles, videofluoroscopy

Received: May 29, 2017; Accepted: October 4, 2017; Prepublished online: November 2, 2017


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