Pill swallowing in Parkinson's disease: A prospective study based on flexible endoscopic evaluation of swallowing

Background This study evaluates the prevalence, characteristics, and predictors of the difficulty of swallowing medication in Parkinson's disease (PD). Methods In this prospective controlled, cross-sectional cohort study, the ability to swallow four different placebos was assessed using flexible endoscopic evaluation of swallowing (FEES) in 118 PD patients and 32 controls. The association between a patient's swallowing ability for each pill and...