DOI: http://dx.doi.org/10.18203/2320-6012.ijrms20183267

Effective dose of propofol for smooth induction in midazolam premedicated and in unpremedicated children

Veena Shukla, Harpreet Kaur

Abstract


Background: Propofol, an intravenous (IV) anaesthetic agent, is widely used in paediatric day care surgeries. Present study was conducted to determine clinically effective dose of Propofol for smooth induction in children.

Methods: This randomized controlled study was conducted in 100 children of American Society of Anaesthesia (ASA) grade I and II, posted for short genitourinary surgeries. Group P patients received premedication with injection glycopyrrolate and midazolam IV. Group U patients were unpremedicated. Both groups were split in five subgroups with ten patients in each as per propofol dose of 2.0, 2.5, 3.0, 3.5, and 4.0mgkg-1 respectively. Following observations were made-pain on injection site, facemask tolerance, repeat dose and total dose of Propofol required for smooth induction, time of recovery and complications like post-operative nausea and vomiting (PONV). All data was analyzed by using chi square test and student t test.

Results: Demographic profile showed no significant difference. Mean dose of Propofol in group P was 3.29±0.51 mg kg-1 while for group U was 3.70±0.57mg kg-1. Facemask tolerance was maximum in group P5 (100%) followed by (80%) in U5. Mean dose of Propofol required for younger children 1-3 years (group P 3.46±0.43 mgkg-1 v/s group U 3.94±0.48 mgkg-1) was much higher than dose required for 7-10 years (group P 3.13±0.52 mgkg-1 and group U 3.18±0.59 mgkg-1) for both groups. Recovery time after anaesthesia was delayed in group P and complications were more in group U.

Conclusions: Propofol is the drug of choice for paeditric ambulatory surgery. Midazolam premedication enhances the benefits.


Keywords


Ambulatory surgical procedures, Midazolam, Postoperative nausea and vomiting, Propofol

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References


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