Table 3.

The top 20 burst words in AI and anesthesiology presented by VOSviewer

Rank	Key word	Occurrences
1	Anesthesia	167
2	Machine learning	120
3	Artificial intelligence	74
4	Depth of anesthesia	58
5	Electroencephalogram	54
6	Propofol	54
7	Bispectral index	53
8	Surgery	47
9	General anesthesia	46
10	System	44
11	Models	39
12	Neural network	35
13	Predict	34
14	Fuzzy logic	30
15	Mortality	30
16	Hypotension	28
17	Classification	26
18	Management	24
19	Outcomes	23
20	Closed-loop control	22