• Ali Ahiskalioglu, Ahmet Murat Yayik, Elif Oral Ahiskalioglu, Mursel Ekinci, Birzat Emre Gölboyu, Erkan Cem Celik, Haci Ahmet Alici, Akgun Oral, and Saban Oguz Demirdogen.
• Department of Anesthesiology and Reanimation, Ataturk University School of Medicine, Erzurum, Turkey. Electronic address: aliahiskalioglu@hotmail.com.
• J Clin Anesth. 2018 Feb 1; 44: 91-96.

Study ObjectiveThe aim of this study was to compare the efficacies of ultrasound guided sacral hiatus injection and conventional sacral canal injection performed for caudal block in children.DesignRandomized controlled clinical trial.SettingOperating rooms of university hospital of Erzurum, Turkey.PatientsOne hundred-thirty four children, American Society of Anesthesiologists I-II, between the ages of 5 and 12, scheduled for elective phimosis and circumcision surgery.InterventionsPatients assigned to two groups for ultrasound guided caudal block (Group U, n=68) or conventional caudal block (Group C, n=66). Caudal solution was prepared as 0.125% levobupivacaine plus 10mcg/kg morphine (total volume: 0.5ml/kg), and was administered to both groups.MeasurementsThe block performing time, the block success rate, the number of needle puncture, the success at first puncture and the complications were recorded.Main ResultsThe block performing time and the success rate of block were similar between Group U and Group C (109.96±49.73s vs 103.17±45.12s, and 97% vs 93%, respectively p>0.05). The first puncture success rate was higher in Group U than in Group C (80% vs 63%, respectively p=0.026). No significant difference was observed between the groups with regard to the number of needle punctures (p=0.060). The rates of vascular puncture and subcutaneus bulging were higher in Group C than in Group U (8/66 vs 1/68, and 8/66 vs 0/68, respectively p<0.05).ConclusionsDespite the limitations in central neuroaxial anesthesia we recommend the use of ultrasound since it reduces the complications and increases the success rate of first puncture in pediatric caudal injection.Copyright © 2017 Elsevier Inc. All rights reserved.

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