Application of Volume-Viscosity Screening Test as a screening tool in swallowing disorders diagnosis
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It is commonly known that dysphagia is associated with primary (malnutrition, dehydration, aspiration pneumonia) as well as secondary consequences (longer hospital stay, increased treatment cost, higher risk of mortality). Therefore, screening tests in swallowing disorders, especially done in at-risk groups, are essential. The aim of screening is identification of patients at risk of dysphagia and referring patients to further instrumental methods. The test should be noninvasive, quick, easy to perform by medical staff, with highest sensitivity and specificity. An example is the Viscosity – Volume Screening Test (VVST) with 3 different consistencies at 3 volumes (5, 10 and 20 ml), with wider possibilities of this tool in safe consistency and volume indication.
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