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Updated: Jun 30, 2025

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
Published on: January 17, 2011
Aryepiglottic Cyst Developed Hours After Tracheal Intubation Causing Acute Upper Airway Ball-Valve Obstruction: A
Florence M T Tai1, Yat-Ching Lo1, Po-Ling Chan2
1From the Department of Anaesthesia, Yan Chai Hospital, HKSAR, China.
Abstract:
This is the first case report describing an aryepiglottic cyst resulting in critical airway compromise after an uneventful tracheal intubation. We present the case of a 55-year-old woman who developed acute dyspnea and stridor several hours after the surgery. She was found to have significant upper airway obstruction owing to a large left aryepiglottic cyst with a ball-valve effect.
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