General anaesthesia technique
Patients who underwent general anaesthesia were positioned in reverse-Trendelenburg position, after insertion of laryngeal mask airway, the nasal cavity was irrigated with Moffet’s solution (1ml cocaine hydrochloride 10%, 1ml adrenaline 1:1000, 2ml sodium bicarbonate 8.4%, 6ml sodium chloride 0.9%) and inferior turbinates (IT) were injected with Lignospan (Lidocaine HCl. 2% and Epinephrine 1:100,000, total amount 2.5ml). As per hospital protocol, patients were kept for observation in hospital for minimum of four hours and then discharged.