Research Article

High Dose Dexmedetomidine: Effective as a Sole Agent Sedation for Children Undergoing MRI

Table 4

ASA (American Society of Anesthesia) classification and sedation times according to dexmedetomidine groups.

ASAaDex ADex BDex C

I133 (41.1)48 (46.6)54 (46.6)
I/II 15 (4.6) 4 (3.9) 2 (1.7)
II151 (46.6)39 (37.9)47 (40.5)
II/III 5 (1.5) 4 (3.9) 4 (3.5)
III 19 (5.9) 8 (7.8) 9 (7.8)
IV 1 (0.3) 0 (0) 0 (0)
Procedure time (minutes)b40.31 (19.40)46.42 (22.14)57.04 (30.73)
MTD from end of test (minutes)91.76 (25.23)92.91 (25.57)94.72 (37.00)

American Society of Anesthesia’ classification.
bDex A procedure time significantly shorter than Dex B and Dex C.