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Year : 2020  |  Volume : 15  |  Issue : 4  |  Page : 379-385

A prospective randomized controlled trial using propofol or dexmedetomidine for conscious sedation in pediatric patients undergoing sclerotherapy

1 Department of Anaesthesia, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India
2 Department of Radiodiagnosis, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India

Correspondence Address:
Dr. Summit D Bloria
Department of Anaesthesia, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh 160012.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JPN.JPN_167_19

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Aim: Sodium tetradecyl sulfate (STS) sclerotherapy in pediatric patients is usually undertaken under sedation inside digital subtraction angiography (DSA) suite. These patients are day-care patients and need adequate sedation for small duration. We performed this study to compare propofol and dexmedetomidine as sedative agents in these patients. Materials and Methods: Seventy American Society of Anesthesiologists (ASA) physical status I patients scheduled to undergo sclerotherapy for low-flow venous malformations under sedation were randomized to be administered either dexmedetomidine (Group D) or propofol (Group P). In Group D, initially 2 µg/kg of dexmedetomidine was administered over 10min (or till attainment of a Ramsay sedation score [RSS] of 5), followed by an infusion at the rate of 0.3 µg/kg/h. In Group P, propofol 1mg/kg bolus followed by an infusion at 100 µg/kg/min was administered, titrated to an RSS of 5. We measured intraoperative heart rate, blood pressure, respiratory rate, duration of procedure, and incidence of arterial desaturation, bradycardia, and respiratory depression in the two groups. Results: All the patients in both groups completed the procedure. The mean anesthesia time was significantly longer in Group D. Intraoperative heart rates remained comparable in the two groups, whereas systolic and diastolic BP were significantly higher in Group D throughout the procedure. No patient in Group D experienced arterial desaturation, whereas five patients in Group P reported a SpO2 of <90%. Conclusion: Both propofol and dexmedetomidine can be used for administering sedation in pediatric patients undergoing sclerotherapy for superficial venous malformations in DSA suite. Although propofol provides a rapid onset and reduced duration of action, dexmedetomidine provides reduced episodes of arterial desaturation and respiratory depression.


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