• Bülent Antmen, Ilgen Saşmaz, Handan Birbiçer, Hayri Ozbek, Refik Burgut, Geylan Işik, and Yurdanur Kilinç.
• Department of Pediatric Hematology, Cukurova University, Faculty of Medicine, Turkey.
• Paediatr Anaesth. 2005 Mar 1;15(3):214-9.

BackgroundInvasive 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.MethodsEighty 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.ResultsThere 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.ConclusionsRemifentanil, 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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