https://www.selleckchem.com/pr....oducts/avitinib-ac00
The Pain Rating index (PRi) is a new parameter for regulating analgesic depth of anaesthesia based on wavelet analysis. The aim of this study was to investigate the feasibility of PRi for depth regulation of sevoflurane anaesthesia. We conducted a monocentric randomized controlled study from September 2017 to June 2018 in patients undergoing anterior cervical discectomy and fusion (ACDF) (n=44). Patients were randomly allocated into two groups and assigned 22 cases to each group systolic blood pressure group (SBP group) and pain