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- Title
Impact of Progression of Parkinson's Disease on Drooling in Various Ethnic Groups.
- Authors
Rana, Abdul Qayyum; Yousuf, Muhammad Saad; Awan, Naeem; Fattah, Abdul
- Abstract
Background/Aims: Drooling or sialorrhea is a common non-motor symptom of Parkinson's disease (PD), and is reported by 35-75% of patients. Drooling is primarily due to impaired swallowing rather than hypersecretion of saliva. In this study, we examined the prevalence of drooling in PD and its relation to various factors such as age, stage of disease, gender and ethnicity. Methods: A retrospective cohort chart analysis of 307 patients with idiopathic PD was conducted. These patients were seen in the Parkinson's Disease and Movement Disorders Clinic between 2005 and 2010. Results: 123 (40%) patients exhibited drooling. No correlation between age and development of drooling was observed. However, gender was found to be a significant factor in developing sialorrhea. Males are twice as more likely to develop sialorrhea than females. In addition, drooling becomes more prevalent with disease progression; Hoehn and Yahr stage 4 patients being the most at risk. Ethnicity and immigration status have no relationship in developing drooling. Conclusions: Sialorrhea is seen in a significant number of PD patients. This study, to the best of our knowledge, is the most extensive clinical assessment of drooling in PD to date. Copyright © 2012 S. Karger AG, Basel
- Subjects
DROOLING; ETHNIC groups; ETHNICITY; NEUROLOGICAL research
- Publication
European Neurology, 2012, Vol 67, Issue 5, p312
- ISSN
0014-3022
- Publication type
Article
- DOI
10.1159/000336054