Prospective randomized crossover evaluation of three anesthetic regimens for painful procedures in children with cancer

Abstract

Objective: To identify the most effective sedation regimen for bone marrow aspiration and lumbar puncture procedures with a prospective trial of 3 combinations of sedation/analgesia. Study design: In this double-blind crossover study, we randomly assigned 162 children with acute lymphoblastic leukemia or lymphoblastic lymphoma to receive fentanyl 1 mcg/kg, fentanyl 0.5 mcg/kg, or placebo, in addition to propofol and topical anesthetic for 355 procedures. Results: We found no significant differences among the 3 regimens in the frequency of pain (pain score > 0) or severe pain (pain score ≥ 5) during recovery, or a >20% increase in hemodynamic/respiratory variables during anesthesia. Treatment with fentanyl 1 mcg/kg was associated with a lower frequency of movement during procedure compared with treatment with fentanyl 0.5 mcg/kg (P =.0476) or treatment with placebo (P =.0545). The placebo group required longer time to recover (median, 18 minutes) compared with the fentanyl 0.5 mcg/kg group (median, 9 minutes) (median difference 2.0, P =.007) and the fentanyl 1 mcg/kg (median 8 minutes), (median difference 2.0, P =.15). The placebo group also required larger total dose of propofol (median 5 mg/kg) compared with that of the fentanyl 1 mcg/kg group (median, 3.5 mg/kg) and the fentanyl 0.5 mcg/kg group (median 3.5 mg/kg) (median differences 1.5, P <.00005, in both comparisons). Conclusion: The addition of fentanyl 1 mcg/kg to propofol for brief painful procedures reduces movement, propofol dose, and recovery time. Copyright © 2013 Mosby Inc.

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Journal of Pediatrics

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