Pinnington, L. L., Muhiddin, K. A., Ellis, R. E. and Playford, E. Diane (2000) Non-invasive assessment of swallowing and respiration in Parkinson's disease. Journal of Neurology, 247 . pp. 773-777. doi:10.1007/s004150070091 ISSN 0340-5354.

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Abstract

Oro-pharyngeal dysphagia is well recognised but often underestimated in people with Parkinson's disease. Asymptomatic patients may fail to receive timely advice or therapy, thus placing them at risk. The aim of this study was to determine whether subclinical abnormalities in swallowing and discrete changes in function such as those produced by prompting can be detected by non-invasive methods. We examined 12 people with idiopathic Parkinson's disease and 14 elderly comparison subjects. Five components of respiratory synchronisation and swalowing efficiency were monitored using the Exeter Dysphagia Assessment Technique. Ten feeding trials were administered under standard quiet conditions. The patients were then restudied using verbal prompts when the spoon was presented to the mouth. The duration of two oro-pharyngeal events and the frequency of respiratory variables were compared for unrelated and related samples. Results showed the oral and pharyngeal parts of the swallow to be significantly slower in those with Parkinson's disease. These patients required significantly more swallows to clear a 5-ml bolus, and fewer swallows were followed by expiration. When the patients were verbally prompted, there was a significant reduction in the duration of the oral part. This study demonstrates that non-invasive methods can be used to detect subclinical difficulties with swallowing amongst a group of asymptomatic patients with PD and that these methods are sensitive to small changes in function produced by a verbal cue.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Social Science & Systems in Health (SSSH) Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
Journal or Publication Title:	Journal of Neurology
Publisher:	Springer Medizin
ISSN:	0340-5354
Official Date:	2000
Dates:	Date Event 2000 Published
Volume:	247
Page Range:	pp. 773-777
DOI:	10.1007/s004150070091
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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