1783
BACKGROUND : The purpose of this study was to compare surgical conditions , including the amount of intraoperative bleeding as well as intraoperative blood pressure , during functional endoscopic sinus surgery ( FESS ) using flexible reinforced laryngeal mask airway ( FRLMA ) versus endotracheal tube ( ETT ) in maintaining controlled hypotension anesthesia induced by propofol - remifentanil total i . v . anesthesia ( TIVA ) .
 Disease: bleeding; Disease: hypotension; Chemical: propofol; Chemical: remifentanil
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: bleeding; Disease: hypotension; Chemical: propofol; Chemical: remifentanil