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Comparing blue, green, and white liquids on FEES
What is it about?
The aim of this study was to assess the effects of barium, blue dye, and green dye on the frequency and reliability of detecting airway invasion (penetration and aspiration) seen during flexible endoscopic evaluations of swallowing (FEES). Results showed that airway invasion was detected significantly more frequently and with greater reliability with barium when compared to blue and green dye.
Why is it important?
In light of these findings, standardized use of barium is recommended at some point during FEES, especially when attempting to detect subtle signs of airway invasion.