Blue uvula in Snoring and Sleep apnea patients
Blue uvula is a classical sign in patients with severe obstructive sleep apnea. The oxygen saturation is very low in these patients. A PSG-Sleep study in these patients confirms very low oxygen saturation level.
Blue uvula, large tongue base ad retrognathia are 3 bad signs of OSA. The color of the soft palate changes after OSA surgery. Most of these patients look bluish-cyanosed look on their face before surgery but after surgery they look brighter.