2% Lidocaine Plus 0.5% Bupivacaine Versus 0.5% Bupivacaine in Brachial Block for Creation of Arteriovenous (AV) Fistula

Comparison of Onset of Action Between 2% Lidocaine Plus 0.5% Bupivacaine and 0.5% Bupivacaine in Brachial Plexus Anesthesia for Creation of Arteriovenous Fistula in ESRD Patient

Will the technique of adding lidocaine to bupivacaine fasten the onset of bupivacaine alone for infraclavicular brachial plexus block in end-stage renal disease (ESRD) patient?

Inclusion Criteria:

• ESRD patient for AVF procedure
• age >17 year
• BMI 20-35 kg/m2
• communicable

Exclusion Criteria:

• BMI > 35 kg/m2 BMI < 20 kg/m2 หรือ BW < 35 kg
• History of allergy to local anesthetic drugs
• Pre-operative neurological deficit, Neuromuscular disorder หรือ old CVA
• Psychiatric disorder
• Coagulation disorder
• Uncontrolled seizure
• Pregnant and lactating women