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Med Sci Monit ; 28: e936599, 2022 Jul 24.
Artículo en Inglés | MEDLINE | ID: mdl-35871270

RESUMEN

BACKGROUND Dexmedetomidine provides anxiolysis, sedation, dose-dependent hypnosis, and mild analgesia with minimal respiratory function effects. The aim of this study was to assess the efficacy and safety of dexmedetomidine for pediatric patients during MRI. MATERIAL AND METHODS We retrospectively analyzed 87 cases of pediatric sedations for MRI. Dexmedetomidine and a single dose of midazolam were used in all the cases, according to the in-house pediatric sedation protocol for MRI. The patients were divided in to 2 groups: group 1, who reached adequate sedation up to 10 min of induction and group 2, who achieved proper sedation after 10 min. RESULTS The median age was 3 years (0-17). The median duration of procedure was 75 min (40-150). The induction of standardized sedation was performed without additional sedatives and proper depth of sedation was reached in the majority of cases (94.3%). Five patients (5.7%) received additional sedative after 10 min of induction. The median time of adequate sedation was 8 min (3-13) after induction, and 51% of patients achieved RASS-4 in 8 min. There was no significant difference between groups 1 and 2. Ten patients (11.5%) experienced bradycardia, regardless of the usage of additional drugs, dexmedetomidine boluses, duration of the procedure, or induction time. CONCLUSIONS High-dose dexmedetomidine with a single dose of midazolam might be an effective combination at the induction stage for pediatric sedation for MRI, with very few adverse events. Over 50% of enrolled patients achieved an adequate level of sedation before 10 min. We conclude that induction of dexmedetomidine infusion can be shortened up to 8 min.


Asunto(s)
Dexmedetomidina , Hipnóticos y Sedantes , Adolescente , Niño , Preescolar , Dexmedetomidina/efectos adversos , Humanos , Hipnóticos y Sedantes/farmacología , Lactante , Recién Nacido , Imagen por Resonancia Magnética , Midazolam/farmacología , Estudios Retrospectivos
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