High Volume Caudal Study

Effect of Clonidine on High Volume-Low Concentration Caudals

The primary objective is to evaluate the effect of clonidine on the duration of analgesia provided by a high volume-low concentration caudal block for pediatric aurgical procedres. In addition, caudal clonidine's effect on length of recovery and post-operative emergence agitation will be measured.

Inclusion Criteria:

• 3 years old or less
• Weight <= 13.3kg
• American Society of Anesthesiology Physical Status (ASA) 1 or 2
• Undergoing circumcision surgery
• Patients whose plan of care includes caudal block

Exclusion Criteria:

• Known allergy to clonidine, epinephrine, or amide local anesthetics
• Inability or unwillingness of parent or legal guardian to give informed consent