Description

Endoscopic Sinus Surgery is the name given to operations used for severe or difficult to treat sinus problems. In the past sinus operations were done through incision (cuts) in the face and mouth but endoscopic sinus surgery allows the operation to be performed without the need for these cuts. The purpose of FESS is to restore normal drainage of the sinuses. Normal function of the sinuses requires ventilation through the ostia (mouth-like opening) and is facilitated by a mucociliary transport process that maintains a constant flow of mucus out of the sinuses. All sinuses need ventilation to prevent infection and inflammation, a condition known as sinusitis. In healthy individuals, sinus ventilation occurs through the ostia into the nose.

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