Awareness during anesthesia: Current status in Japan

Figure 1 Patient demographics of definite and possible awareness cases. Sixteen (67%) were < 50 years old, 6 (26%) were men, and 17 (74%) were women.

Figure 2 Use of bispectral index monitoring in total intravenous anesthesia or volatile anesthesia. Use of BIS monitoring was more frequent during TIVA than volatile anesthesia. BIS: Bispectral index; TIVA: Total intravenous anesthesia.

Figure 3 Standard maintenance sevoflurane concentration for daily clinical anesthesia in the three surveys.

Figure 4 The experience of awareness cases by respondents in the three surveys. Experience of awareness decreased in the third survey.