Mitomicin C for Prevention Postoperative Endoscopic Sinus Surgery Synechia and QOL in Chronic Rhinosinusitis

Mitomicin C (0.4 mg/ml) will be provided in a sterile vial and prepared by pharmacist at the Faculty of Medicine Ramathibodi Hospital.The treatment solution will be drawn and soaked ono two one inch neurosurgical cotton pledgets. Each pledget will be placed on each side of the nose for 5 minutes. The nurse will set the alarm for removal of the cotton pledgets, then normal saline will be used to irrigate both sides of the nose, using 100 ml on each side.

Identical placebo solution