Effect of the premedication with oral clonidine on surgical comfort in patients undergoing fess due to advanced nasal polyposis: A randomized double blind clinical trial

Premedication with oral clonidine provides a clearer view of surgical site, reduces the amount of bleeding and significantly increases surgeon's satisfaction during the operation in FESS performed due to NP. Premedication with oral clonidine is a safe, inexpensive and effective methods in order to increase the surgical success and comfort and reduce complications in the FESS surgery.