Steroid-eluting Sinus Stent for Chronic Rhinosinusitis Patients With Uncontrolled Postoperative Symptoms

In-office bilateral placement of the steroid-eluting sinus stent in the ethmoid sinuses under local anesthesia

Groups were given oral methylprednisolone (32 mg/d on days 1-5; 16 mg/d on days 6-10; and 8 mg/d on days 11-20),

Patients were routinely treated with saline irrigations (250ml) twice daily

Groups were given systemic glucocorticoid placebo

The sham procedure was performed in-office under local anesthesia