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[Videofluorographic analysis of the swallowing disorders in spinocerebellar degeneration].

Clinical and videofluorographic (VF) studies of swallowing were performed in 11 patients with spinocerebellar degeneration (SCD). Eight patients had a subjective symptom of dysphagia. In VF study, seven patients represented abnormal findings in an oral phase such as residue on the tongue (2 patients), reduced tongue control (3 patients), uncontrolled bolus or premature loss of liquid (6 patients), and piecemeal deglutition (4 patients). Seven patients showed abnormality in a pharyngeal phase such as vallecular residue after swallow (5 patients), residue in pyriform sinuses after swallow (4 patients), delayed onset of laryngeal elevation (5 patients), and aspiration during swallow (5 patients). Aspiration was more obvious when barium liquid was swallowed. When the patients aspirated, techniques such as the chin down posture and the supraglottic swallow were tried in 4 of the 5 patients with the evidence of aspiration. The aspiration was prevented in 2 patients. It was suggested that in SCD the change in the form and volume of food is recommended for prevention of aspiration and that the rehabilitation techniques such as the chin down posture and the supraglottic swallow may also improve the dysphagia.