Effects of Therapy for Dysphagia in Parkinson’s Disease: Systematic Review

Laura W. J. Baijens and Renée Speyer

Dysphagia, 2009, Volume 24, Number 1, Pages 91-102

Abstract

This systematic review explores the effects of dysphagia treatment for Parkinson’s disease. The review includes rehabilitative, surgical, pharmacologic, and other treatments. Only oropharyngeal dysphagia is selected for this literature search, excluding dysphagia due to esophageal or gastric disorders. The effects of deep brain stimulation on dysphagia are not included. In general, the literature concerning dysphagia treatment in Parkinson’s disease is rather limited. Most effect studies show diverse methodologic problems. Multiple case studies and trials are identified by searching biomedical literature databases PubMed and Embase, and by hand-searching reference lists. The conclusions of most studies cannot be compared with one another because of heterogeneous therapy methods and outcome measures. Further research based on randomized controlled trials to determine the effectiveness of different therapies for dysphagia in Parkinson’s disease is required.

Keywords  Systematic review – Dysphagia – Swallowing disorder – Deglutition – Parkinson’s disease – Therapy effect – Therapy outcome – Deglutition disorders

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