{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T00:06:06Z","timestamp":1790553966519,"version":"4.1.0"},"reference-count":41,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2011,4,1]],"date-time":"2011-04-01T00:00:00Z","timestamp":1301616000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Euro J of Neurology"],"published-print":{"date-parts":[[2012,1]]},"abstract":"<jats:p><jats:bold>Introduction:\u2002<\/jats:bold> Abnormal oro\u2010buccal functions including dysarthria, sialorrhea and dysphagia commonly affect patients with Parkinson\u2019s disease (PD).<\/jats:p><jats:p><jats:bold>Objectives:\u2002<\/jats:bold> To estimate the prevalence of such oro\u2010buccal symptoms at baseline in the first 419 patients with PD included in the COPARK cohort and to analyze their correlations with patients\u2019 demographics, clinical characteristics, and drugs consumption.<\/jats:p><jats:p><jats:bold>Methods:\u2002<\/jats:bold> Patients were assessed using the Unified PD Rating Scale, the Hospital Anxiety and Depression Scale, and the PDQ\u201039. Dysarthria, sialorrhea, and dysphagia were defined as UPDRS items 5, 6, or 7\u2003\u2265\u20031.<\/jats:p><jats:p><jats:bold>Results:\u2002<\/jats:bold> Dysarthria, sialorrhea, or dysphagia were present in 51%, 37%, or 18% out of the 419 patients, respectively. At least one of these symptom was present in 267\/419 patients (65%), whilst a combination of symptoms was present in 136\/419 (33%). Logistic regression showed that the presence of each of the three oro\u2010buccal symptoms was significantly correlated with that of the two others. Other correlations included male gender, hallucinations, disease severity, levodopa use and lack of opiates consumption for dysarthria; disease severity, orthostatic hypotension and absence of antidepressants consumption for sialorrhea; female gender, motor fluctuations, and depressive symptoms for dysphagia. None of the three oro\u2010buccal symptoms were associated with a reduced PDQ\u201039 score.<\/jats:p><jats:p><jats:bold>Conclusion:\u2002<\/jats:bold> Oro\u2010buccal symptoms were present in two of three patients with moderate PD, the presence of each symptoms being significantly correlated with that of the two others.<\/jats:p>","DOI":"10.1111\/j.1468-1331.2011.03402.x","type":"journal-article","created":{"date-parts":[[2011,4,1]],"date-time":"2011-04-01T18:21:49Z","timestamp":1301682109000},"page":"28-37","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":84,"title":["Oro\u2010buccal symptoms (dysphagia, dysarthria, and sialorrhea) in patients with Parkinson\u2019s disease: preliminary analysis from the French COPARK 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