This study aims to compare premixed and sequential injections of lidocaine and bupivacaine for supraclavicular brachial plexus block in patients undergoing arteriovenous fistula creation.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Percentage of participants with a complete four-nerve sensory block
Timeframe: With in 10 minutes intraoperatively