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KMID : 0311120190600121181
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Yonsei Medical Journal
2019 Volume.60 No. 12 p.1181 ~ p.1186
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Correlations between Aspiration and Pharyngeal Residue Scale Scores for Fiberoptic Endoscopic Evaluation and Videofluoroscopy
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Yoon Jin-A
Kim Sang-Hun
Jang Myung-Hun
Kim Sung-Dong
Shin Yong-Beom
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Abstract
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Purpose: To examine correlations among rating scales and findings suggestive of tracheal aspiration and pharyngeal residue between fiberoptic endoscopic evaluation of swallowing (FEES) and videofluoroscopic swallowing study (VFSS) in dysphagia patients.
Materials and Methods: We studied patients referred to our hospital for dysphagia assessment. Three raters judged the residue severity and laryngeal penetration or tracheal aspiration of FEES and VFSS. The raters applied the Penetration-Aspiration Scale (PAS) for tracheal aspiration and pixel-based circumscribed area ratio and Yale Pharyngeal Residue Severity for post-swallow residue in VFSS and FEES, respectively. Anatomy-physiologic findings during FEES associated with tracheal aspiration were also analyzed.
Results: A total of 178 participants were enrolled in our study. In correlation analysis, PAS (r=0.74), vallecula retention (r=0.76), and pyriform sinus retention (r=0.78) showed strong positive correlations between FEES and VFSS. Intra-rater agreement between VFSS and FEES was good for PAS (κ=0.65) and vallecula (κ=0.65) and pyriform sinus retention (κ=0.69). Among 72 patients who showed subglottic shelf residue, a suspected finding of aspiration, in FEES, 68 had concomitant tracheal aspiration during VFSS. Both vocal fold hypomobility and glottic gap during phonation were significantly associated with findings suggestive of tracheal aspiration during FEES (p<0.05).
Conclusion: Quantitative and reliable aspiration and post swallow residue rating scales showed strong positive correlations and good agreement between VFSS and FEES.
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KEYWORD
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Deglutition, deglutition disorders, vocal cord dysfunction, endoscopes, fluoroscopy
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