1 January 2019
		 |  Suki Ahluwalia 
 
		 
 
			   
		
		
			 
			This multinational study prospectively collected SNOT-22 data to determine the prevalence and severity of, and whether endoscopic sinus surgery (ESS) had improved, symptoms of Eustachian tube dysfunction in patient with chronic rhinosinusitis (CRS). The SNOT-22 includes two questions which are...