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Safe and effective sedation and analgesia for bone marrow aspiration procedures in children with alfentanil, remifentanil and combinations with midazolam.

Author(s): Antmen B, Sasmaz I, Birbicer H, Ozbek H, Burgut R, Isik G, Kilinc Y

Affiliation(s): Department of Pediatric Hematology, Cukurova University, Faculty of Medicine, Turkey.

Publication date & source: 2005-03, Paediatr Anaesth., 15(3):214-9.

Publication type: Clinical Trial; Randomized Controlled Trial

BACKGROUND: Invasive procedures such as bone marrow aspiration in children may be painful and cause anxiety. We investigated the efficacy and safety of remifentanil (R) alfentanil (A), remifentanil-midazolam (RM), and alfentanil-midazolam (AM) combinations in providing analgesia and sedation for bone marrow aspiration. METHODS: Eighty children undergoing a diagnostic bone marrow aspiration whose ages ranged from 5-16 years (mean 9.20 +/- 3.00 years) were enrolled in this study. The patients were randomly assigned to one of 4 treatment groups. Vital signs, sedation and pain scores, somatic responses (sweating and tears) were recorded before, during bone marrow aspiration and after 5 and 15 min of the procedure. RESULTS: There were no statistical differences between sedation and the CHEOPS scores of the four groups during and after the procedures. The VAS scores were significantly higher for group A compared with groups R and RM during the procedure (P < 0.008). There were no differences between the VAS scores in group AM compared with groups R and RM (P > 0.008). There were also no statistical differences among the VAS scores of four groups after the procedure (P > 0.008). All patients had adequate sedation and analgesia. None of the patients in the study had deep sedation, hypotension, bradycardia, hypoxemia, or respiratory depression. CONCLUSIONS: Remifentanil, alfentanil, remifentanil-midazolam, and alfentanil-midazolam combinations are effective in children and can be used safely in bone marrow aspiration which is a brief but painful procedure performed in the pediatric patient group.

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