Key result
The median effective volume (EV50) of 0.2% ropivacaine for ultrasound-guided supraclavicular brachial plexus block in children aged 1-6 years was 0.150 ml/kg.
Why the study?
The median effective volume (EV50) of 0.2% ropivacaine for ultrasound-guided supraclavicular brachial plexus block in children aged 1 to 6 years needed to be determined.
What is the median effective volume of 0.2% ropivacaine for ultrasound-guided supraclavicular brachial plexus block in children aged 1-6 years?
What is the median effective volume of 0.2% ropivacaine for ultrasound-guided supraclavicular brachial plexus block in children aged 1-6 years?
Effect estimate: EV50 0.150 ml/kg (95% CI 0.131-0.169)
The median effective volume of 0.2% ropivacaine for ultrasound-guided supraclavicular brachial plexus block in children aged 1-6 years is 0.150 ml/kg, providing a reference for clinical dosing.
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May guide initial dosing in pediatric supraclavicular blocks; leaves open randomized validation of efficacy and safety.
Liu et al. (2023) studied Unilateral upper extremity surgery (n=27). 0.2% ropivacaine was evaluated on Median effective volume (EV50) for successful block (EV50 0.150 ml/kg, 95% CI 0.131-0.169). The median effective volume (EV50) of 0.2% ropivacaine for ultrasound-guided supraclavicular brachial plexus block in children aged 1-6 years was 0.150 ml/kg.
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