Original Article

Feasibility of repetitive peripheral magnetic stimulation for dysphagia with reduced hyoid elevation: a report of two cases

Shino Mori, MD, DMSc, Hitoshi Kagaya, MD, DMSc, Yuki Nagashima, DDS, Fumi Toda, MD, DMSc, Ayako Kuwabara, SLHT, MSc, Yoko Masuda, SLHT, Yuriko Sato, SLHT, MSc, Mao Ogawa, MD, Tetsuya Tsunoda, MD, DMSc, Ryoko Akahori, MD, DMSc, Seiko Shibata, MD, DMSc, Eiichi Saitoh, MD, DMSc
Jpn J Compr Rehabil Sci 10: 42-46, 2019

Objective: This study aimed to investigate the feasibility of peripheral magnetic stimulation for dysphagia with reduced hyoid elevation.
Methods: Two patients with dysphagia with reduced hyoid elevation received two to three sets of magnetic stimulation, each comprising thirty treatments lasting 2 s. This repetitive peripheral magnetic stimulation (rPMS) was performed for at least five days per week for a period of six weeks.
Results: Both patients underwent rPMS for six weeks without any complications. After rPMS, the 82-yearold male patient with disuse syndrome after aspiration pneumonia (Case 1) showed improved muscle strength and hyoid elevation distance. The 47-year-old male patient with dermatomyositis (Case 2) demonstrated improved muscle strength and fatigue after rPMS; in addition, his neck stiffness was alleviated, which led to the alleviation of fatigue during meals.
Conclusion: Our results suggest that rPMS is a feasible and novel option for the treatment of reduced hyoid elevation.

Key words: dysphagia, reduced hyoid elevation, suprahyoid muscles, repetitive peripheral magnetic stimulation

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