Interrater reliability of videofluoroscopic swallow evaluation
Sandro Stöckli, Thierry A G M Huisman, Burkhardt Seifert & Bonnie J W Martin-Harris
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abstract
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The past two decades have brought an enormous widening of interest
in and knowledge about swallowing disorders. The most frequently
used technique for swallow evaluation is X-ray videofluoroscopy.
Most interventions are based on this examination. Only a few studies
assessing interobserver reliability of videofluoroscopy have been
published. The aim of our study was to assess the interobserver
reliability of videofluoroscopy for swallow evaluation. Fifty-one
consecutive dysphagic patients referred for videofluoroscopy were
entered into the study regardless of their underlying disorder. The
first swallow (5 ml of a semisolid radio-opague contrast media) of
each patient was assessed in the lateral projection by 9
independent, experienced observers from different international
swallow centers. All studies were evaluated according to a
standardized protocol sheet and the interobserver reliability was
calculated. The interobserver reliabilities assessed as kappa
coefficient for parameters of the oral and pharyngeal phase, for the
temporal occurrence of penetration/aspiration, and for the location
of bolus residue ranged from 0.01 to 0.56. High reliability with an
intraclass coefficient of 0.80 was achieved only with the well
defined penetration/aspiration score. Our study underlines the need
for exact definitions of the parameters assessed by
videofluoroscopy, in order to raise interobserver reliability. To
date, only aspiration is evaluated with high reliability by
videofluoroscopy, whereas the reliability of all other parameters of
oropharyngeal swallow is poor.
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citation
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Stöckli S, Huisman T A G M, Seifert B, Martin-Harris B J W.
Interrater reliability of videofluoroscopic swallow evaluation.
Dysphagia 2003; 18:53-7.
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type
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journal paper/review (English)
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date of publishing
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0-2003
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journal title
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Dysphagia (18/1)
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ISSN print
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0179-051X
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pages
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53-7
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PubMed
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12497197
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DOI
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10.1007/s00455-002-0085-0
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