Journal of Clinical Anesthesia and Research
- ISSN: 2577-3003
Guanzhu Li, Kai Qin, Gaofeng Zhao and Jinhe Deng
Objective: To investigate the correlation between PSI, SEF and ETSEV in patients undergoing general anesthesia.
Methods: In this study, 26 general anesthesia patients [11 males and 15 females, aged 21-70 years, ASA I-III] underwent lower extremity orthopedic surgery were selected. PSI, SEF, and ETSEV were recorded by Sedline brain function monitor and PHILIPS MP20 monitor, respectively, and the difference between SEF-L and SEF-R ΔSEF was calculated. Spearman correlation analysis was used for the correlation between PSI, SEF and ETSEV, and Bland-Altman was used to analyze the consistency of SEF-L and SEF-R.
Results: Spearman correlation analysis showed that PSI [r=-0.401, P=0.001], SEF-L [r=-0.705, P=0.000], and SEF-R [r=- 0.635, P=0.000] were all negatively correlated with ETSEV, and SEF was more strongly correlated with ETSEV compared to PSI. Bland-Altman analysis showed that there were 2 points outside the limits of agreement between SEF-L and SEF-R, and SEF-L remained in agreement with SEF-R.
Conclusion: Under sevoflurane-maintained general anesthesia, SEF was more responsive to intraoperative depth of anesthesia changes in patients, and left and right brain SEF remained consistent