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Dysphagia
Published in: Dysphagia 4/2008

01-12-2008 | Original Article

Screening Test for Silent Aspiration at the Bedside

Authors: Yoko Wakasugi, Haruka Tohara, Fumiko Hattori, Yasutomo Motohashi, Ayako Nakane, Shino Goto, Yukari Ouchi, Shinya Mikushi, Syuhei Takeuchi, Hiroshi Uematsu

Published in: Dysphagia | Issue 4/2008

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Abstract

Many screening tests for dysphagia can be given at bedside. However, they cannot accurately screen for silent aspiration (SA). We studied the usefulness of a cough test to screen for SA and combined it with the modified water swallowing test (MWST) to make an accurate screening system. Patients suspected of dysphagia (N = 204) were administered a cough test and underwent videofluorography (VF) or videoendoscopy (VE). Sensitivity of the cough test for detection of SA was 0.87 with specificity of 0.89. Of these 204 patients, 107 were also administered the MWST. Fifty-five were evaluated as normal by the screening system, 49 of whom were evaluated as normal by VF or VE. Sixteen were evaluated as “SA suspected” by the screening system; seven of them were normal, and seven were evaluated as having SA by VF or VE. Nineteen were evaluated as aspirating with cough, 14 of whom had aspiration with cough as shown by VF or VE. Seventeen were evaluated as having SA, 15 of whom had SA shown by VF or VE. The cough test was useful in screening for SA. Moreover, a screening system that included MWST and a cough test could accurately distinguish between the healthy who were safe in swallowing and SA patients who were unsafe.
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Metadata
Title
Screening Test for Silent Aspiration at the Bedside
Authors
Yoko Wakasugi
Haruka Tohara
Fumiko Hattori
Yasutomo Motohashi
Ayako Nakane
Shino Goto
Yukari Ouchi
Shinya Mikushi
Syuhei Takeuchi
Hiroshi Uematsu
Publication date
01-12-2008
Publisher
Springer-Verlag
Published in
Dysphagia / Issue 4/2008
Print ISSN: 0179-051X
Electronic ISSN: 1432-0460
DOI
https://doi.org/10.1007/s00455-008-9150-7

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