Performance of Surgical Stress Index during Sevoflurane-Fentanyl and Isoflurane-Fentanyl Anesthesia
Figure 2
Mean surgical stress index (SSI SD) and heart rate (HR SD) values before and after fentanyl bolus (1.5 g k) during surgery in sevoflurane ( = 20) and isoflurane ( = 20) groups.
