1.Effects of high-flow airway humidification in patients with dysphagia after tracheotomy
Delian AN ; Hongmei WEN ; Ziyang XU ; Zitong HE ; Qiongmei CHEN ; Lyuyu ZHAO ; Zulin DOU ; Zhiming TANG
Chinese Journal of Physical Medicine and Rehabilitation 2020;42(10):882-885
Objective:To explore the effect of high-flow airway humidification on aspiration and residues in cases of dysphagia after a tracheotomy.Methods:Seventeen persons with dysphagia after a tracheotomy were asked to swallow 5ml of a thick liquid when their tracheal cannula was either connected to a high-flow airway humidification system or blocked, or the cuff was empty or full. Endoscopic evaluation was then used to grade the residue and aspiration in the different conditions.Results:There were significant differences in the residuals grading and aspiration among the four conditions. The average penetration-aspiration scale grade was significantly lower when the subject was connected to high-flow airway humidification than in the other three conditions. The grade of residuals was also significantly lower.Conclusion:High-flow airway humidification can effectively improve the swallowing of persons with dysphagia after a tracheotomy.
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