• D L Warner, J Cabaret, and D Velling.
• University of Southern California-Los Angeles County Medical Center, Department of Anesthesiology 90033, USA.
• Paediatr Anaesth. 1995 Jan 1;5(5):293-5.

AbstractHealthy children, 1.5 to seven years old, were divided into three groups of 20 each. Group 1 received midazolam 0.5 mg.kg-1, Group 2, ketamine 6 mg.kg-1 and Group 3 a mixture of midazolam 0.4 mg.kg-1 + ketamine 4 mg.kg-1. Each dose was mixed with atropine 0.02 mg.kg-1 plus an equal volume of cherry syrup and was given orally 20 to 30 min prior to surgery. A grade of 1 (asleep, difficult to arouse), 2 (asleep, easily aroused), 3 (awake, calm), 4 (awake, anxious, occasional cry), or 5 (crying, agitated), was assigned at the time of parental separation and again when mask induction was begun. A grade of 1-3 was considered successful. For parental separation, the mixture of ketamine+midazolam was 100% successful, ketamine 90% and midazolam 75%. Successful mask induction for the mixture of ketamine+midazolam was 85%, midazolam 65% and ketamine 42%. This study indicates that a mixture of ketamine+midazolam is the most effective.

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