• Yasemin Burcu Ustun, Yunus Oktay Atalay, Ersin Koksal, Cengiz Kaya, Fatih Ozkan, Elif Bengi Sener, and Ahmet Veysel Polat.
• Department of Anaesthesiology, Outpatient Anaesthesia Service, Samsun, Turkey.
• J Pak Med Assoc. 2017 Feb 1; 67 (2): 247-251.

ObjectiveTo compare the efficiency of intravenous thiopental against intravenous ketamine-propofol combination in paediatric sedation for magnetic resonance imaging.MethodsThis prospective study was conducted at Ondokuz Mayis University Hospital, Samsun, Turkey, from July 1, 2014, to January 1, 2015, and comprised children aged 1 month to 12 years undergoing elective magnetic resonance imaging who were randomly assigned to two equal groups. Group I received thiopental 3 mg/kg intravenously followed by an additional dose of thiopental 1 mg/kg to achieve a Ramsay sedation score of 4. Group II received ketofol, a 1:1 mixture of ketamine 10 mg/mL and propofol 10 mg/mL, in a single syringe intravenously at a dose of 0.5 mg/kg at 1 minute intervals and titrated to reach a Ramsay sedation score of 4. The groups were compared for total drug dose, time to sedation, recovery time, total sedation time, and adverse effects. Data was analysed using SPSS 22.ResultsThere were 120 children in the study; 60(50%) in each group. The time to sedation was significantly longer with ketofol than thiopental (p<0.01). The mean recovery time was significantly shorter with thiopental than with ketofol (p<0.01). Total sedation time was significantly longer with ketofol than thiopental (p<0.01). Overall, 17(28.3%) ketofol patients had adverse events, whereas no thiopental patients had adverse events (p<0.0001).ConclusionsThiopental had a comparable effectiveness with shorter anaesthesia inductions and recovery times than ketofol. Intravenous thiopental can be an effective and safe alternative drug in sedating children undergoing magnetic resonance imaging.

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