• P Leelataweedwud and W F Vann.
• Department of Pediatric Dentistry, Mahidol University, Faculty of Dentistry, 6 Yothi St., Bangkok 10400, Thailand. dtple@mahidol.ac.th
• J Am Dent Assoc. 2001 Nov 1;132(11):1531-9; quiz 1596.

BackgroundThe authors report on adverse events and sedation outcomes for an oral sedation regimen of chloral hydrate, meperidine and hydroxyzine with 100 percent oxygen, or O2, supplementation.MethodsIn a five-year retrospective study, the authors examined 195 records of conscious sedation performed in 111 healthy children aged 24 to 48 months (mean, 47 months). The authors analyzed age, sex, weight, methods of drug delivery, waiting time after drug administration, treatment rendered, treatment time, adverse events, sedation outcomes and the number of visits needed to complete treatment using descriptive statistics, chi 2 tests, t test and analysis of variance.ResultsAdverse events--including vomiting, desaturation, prolonged sedation and an apneic event--occurred in 3 percent of all sedations and were minor. Seventy-two percent of sedations had satisfactory behavioral outcomes, 23 percent had unsatisfactory outcomes, and 5 percent of the cases were aborted because of disruptive behavior. Sex was not a significant factor for the success. Patient compliance with drinking medications (P = .013) and a longer waiting time after medication intake (P = .012) yielded better sedation outcomes.ConclusionsMinimal minor adverse events occurred with this sedation regimen. The success rate was 72 percent. Compliance with taking oral medications and waiting time appeared to be important factors in predicting sedation success.Clinical ImplicationsThis oral sedation regimen offers reasonable outcomes with minimal adverse events under a strict protocol and use of O2 supplementation. The results also revealed associations that give guidance for case selection and outcome prediction.

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