Comparison of the safety and efficacy of intranasal midazolam or sufentanil for preinduction of anesthesia in pediatric patients

H. W. Karl, A. T. Keifer, J. L. Rosenberger, M. G. Larach, J. M. Ruffle

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Abstract

Nasal administration of sufentanil or midazolam is effective for preinduction of pediatric patients, but there are no data on which to base a choice between them. This blinded randomized study compares behavioral and physiologic responses to sedation with one of these medications followed by inhalation or intravenous induction. Ninety-five patients aged 0.5-10 yr scheduled for elective surgery were stratified by age: 30 infants 0.5-2 yr, 38 preschoolers 2.1-5 yr, and 27 school-age children 5.1-10 yr. They were randomized to receive 0.04 ml/kg of midazolam (0.2 mg/kg) or sufentanil (2 μg/kg). Hemoglobin oxygen saturation by pulse oximetry (Sp(O2)) and sedation score were recorded prior to drug administration, at 2.5-min intervals for 10 min, at separation, and during induction with graded halothane in oxygen. Intubation was performed under deep halothane or 3 mg/kg of thiopental and 0.1 mg/kg of pancuronium. Chest wall compliance was assessed qualitatively in all patients prior to intubation. To assess the effects of a mild standardized stress on unpremedicated patients, 75 of the children with parents present were scored before and after oximeter probe placement: of these, in 63% the sedation score did not change; 33% appeared more anxious; and only 4% seemed reassured. Children of all ages reacted negatively to physicians, and 23% were crying prior to administration of drugs. Sufentanil appeared less unpleasant to receive than midazolam: children cried 46 ± 100 versus 76 ± 73 s (P < 0.05), respectively, but by 7.5 min, no child was crying. Median behavior scores at maximum anxiolysis were not different, but response to sufentanil was more variable. Only 24% of all patients cried at induction. Midazolam-treated patients remained well oxygenated (98% with Sp(O2) > 95%), and their lungs were easy to ventilate (96%). In contrast, 55% of sufentanil patients had Sp(O2) < 96%; the lungs of 37% were not easy to ventilate, and 3 required naloxone at the end of the procedure. These results support previous conclusions that intranasal midazolam and sufentanil are effective preinduction sedatives, and demonstrate that midazolam is preferable to sufentanil for most patients.

Original languageEnglish (US)
Pages (from-to)209-215
Number of pages7
JournalAnesthesiology
Volume76
Issue number2
DOIs
StatePublished - Jan 1 1992

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All Science Journal Classification (ASJC) codes

  • Anesthesiology and Pain Medicine

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