It has been suggested that videofluorography (VF) is useful in the diagnosis of aspiration. The aim of this study was to investigate the usefulness of the water swallowing test and VF in swallowing rehabilitation in patients with cerebrovascular disease. Fifteen patients (mean age 72.9 +/- 2.3 years) were examined. The swallowing abnormality was assessed by the water swallowing test and VF. Patients with abnormal swallowing function on the water swallowing test (Group A, n = 4) showed aspiration and silent aspiration into the trachea on VF. However, patients suspected of dysphagia on the water swallowing test (Group B, n = 11) could swallow, demonstrating the disappearance of silent aspiration, with pooling of barium in the piriform sinus on VF. All patients in Group A could not ingest any food by mouth and received percutaneous endoscopic gastrostomy or intermittent oro-esophageal tube feeding. The swallowing function in Group B improved after swallowing rehabilitation. All patients in Group B could ingest food by mouth. These findings suggest that the water swallowing test is useful for quantitative assessment of swallowing disorder and for deciding on therapy of swallowing function.
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