Accuracy of the volume-viscosity swallow test for clinical screening of oropharyngeal dysphagia and aspiration
AIMS: To determine the accuracy of the bedside volume–viscosity swallow test (V-VST) for
clinical screening of impaired safety and efficacy of deglutition. METHODS: We studied 85
patients with dysphagia and 12 healthy subjects. Series of 5–20mL nectar (295.02 mPa. s),
liquid (21.61 mPa. s) and pudding (3682.21 mPa. s) bolus were administered during the V-
VST and videofluoroscopy. Cough, fall in oxygen saturation≥ 3%, and voice changes were
considered signs of impaired safety, and piecemeal deglutition and oropharyngeal residue …
clinical screening of impaired safety and efficacy of deglutition. METHODS: We studied 85
patients with dysphagia and 12 healthy subjects. Series of 5–20mL nectar (295.02 mPa. s),
liquid (21.61 mPa. s) and pudding (3682.21 mPa. s) bolus were administered during the V-
VST and videofluoroscopy. Cough, fall in oxygen saturation≥ 3%, and voice changes were
considered signs of impaired safety, and piecemeal deglutition and oropharyngeal residue …
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