Tehran University of Medical Sciences Archives of Anesthesiology and Critical Care 2423-5849 3 3 2017 06 12 348 353 EN Seyed Reza Mazloom Department of Nursing, Mashhad University of Medical sciences, Mashhad, Iran Fatemeh Navidi Department of Anesthesiology, Tehran University of Medical sciences, Tehran, Iran Fatemeh Hajimohammadi Department of Anesthesiology, Tehran University of Medical sciences, Tehran, Iran Behrooz Amirzargar Department of Otolaryngology Head and Neck Surgery, Otorhinolaryngology Research Center, Tehran University of Medical Sciences, Tehran, Iran Bahram Ali Ghanbari Hashemabadi Department of Education and Psychology, Mashhad University of Medical sciences, Mashhad, Iran Mohammad Reza Majidi Department of Otolaryngology Head and Neck Surgery, Mashhad University of Medical sciences, Mashhad, Iran Reza Jalaeian Department of Anesthesiology, Mashhad University of Medical sciences, Mashhad, Iran Mehrdad Behzadi Department of Anesthesiology, Tehran University of Medical sciences, Tehran, Iran Mehrdad Jafari Department of Otolaryngology Head and Neck Surgery, Otorhinolaryngology Research Center, Tehran University of Medical Sciences, Tehran, Iran 2017 05 18 2017 06 12 Background: Patients often name post-operative pain as the most horrifying aspect of the surgery. The purpose of this study was to evaluate the effect of communication with patients on post-operative pain and agitation in the patients recovering from endoscopic sinus surgery. Methods: This was a randomized clinical trial. Sixty patients scheduled for endoscopic sinus surgery were randomly allocated to control and intervention groups (30 patients in each group). A supportive and informative session was established for 20-30 minutes in two stages for the intervention group while the control group received routine information. After surgery, pain and agitation were assessed using the non-verbal pain scale, visual analog scale and Riker's sedation-agitation score. Results: The average pain scores in the recovery room by non-verbal pain scale and visual analog scale were (3.4±1.6) and (6.2±3.0) for the control group and (1.2±1.5) and (3.0±3.3) for the intervention group, respectively (P≤0.001). The average agitation score in the recovery room for the control group and the intervention group were (4.6±0.6) and (4.1±0.3), respectively (P=0.008). Conclusion: The results demonstrate that simple communication techniques before the surgery can be effective in reducing post-operative pain and agitation in patients recovering from endoscopic sinus surgery. This clinical trial was registered from IRCT with registration number IRCT201404278589N3.   https://aacc.tums.ac.ir/index.php/aacc/article/view/124 https://aacc.tums.ac.ir/index.php/aacc/article/download/124/280