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ISSN: 2155-9562

Journal of Neurology & Neurophysiology
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Research Article

Assessment of A New Magnetic Device to Monitor Swallowing in Parkinson’s Disease

Toshiyuki Yamamoto1*, Haruhi Inoguchi2, Yuko Sano3, Akihiko Kandori3 and Miho Murata1

1Department of Neurology, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan

2Rehabilitation Medicine, National Center Hospital, National Center of Neurology and Psychiatry, Tokyo, Japan

3Central Research Laboratory, Hitachi, Ltd., Tokyo, Japan

Corresponding Author:
Toshiyuki Yamamoto
Department of Neurology, National Center Hospital
National Center of Neurology and Psychiatry
4-1-1 Ogawahigashicho, Kodaira City, Tokyo 187-8551, Japan
Tel: +81-42-341-2711
Fax: +81-42-346-1705
E-mail: [email protected]

Received date: October 22, 2014; Accepted date: February 17, 2015; Published date: February 23, 2015

Citation: Yamamoto T, Inoguchi H, Sano Y, Kandori A, Murata M (2015) Assessment of A New Magnetic Device to Monitor Swallowing in Parkinson’s Disease. J Neurol Neurophysiol 6:267. doi:10.4172/2155-9562.1000267

Copyright: © 2015 Yamamoto T, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: To evaluate a magnetic swallowing monitoring device to monitor swallowing in patients with Parkinson’s disease and to compare these findings with those of videofluoroscopic examination of swallowing (VF). Methods: Twenty-one patients with Parkinson’s disease and 11 healthy controls were included in this study. The subjects were examined by VF using 10 ml of liquid barium, with the magnetic swallowing monitoring device attached to the patient’s neck. We compared the results obtained from the magnetic swallowing monitoring device with those of VF. Results: Eight patients and all controls showed normal swallowing on VF. According to the magnetic swallowing monitoring device, patients without dysphagia had similar waveforms to those of healthy controls. It also revealed the following swallowing-related abnormalities in 13 patients: piecemeal deglutition, delayed swallowing onset, delayed relaxation of the cricopharyngeal muscle, hesitation to swallow, and aspiration. Conclusions: Patients with Parkinson’s disease often showed abnormalities in the sequence of movements during the swallowing reflex. The magnetic swallowing monitoring device could detect these abnormalities simply and non-invasively.

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