Efficacy of Rectal Infiltration of Exparel for Analgesic Benefit Following Hemorrhoidectomy

Comparison of Rectal Infiltration of Exparel vs. 0.25% Bupivacaine With Epinephrine vs. Placebo for Analgesic Benefit Following Hemorrhoidectomy

The purpose of this study is to compare the quality and duration of pain relief after a hemorrhoidectomy, provided by locally administered liposomal bupivacaine versus bupivacaine hcl or control with saline. It is hypothesized that liposomal bupivacaine will provide more effective postoperative pain relief than both bupivacaine hcl and the control.

Inclusion Criteria:

• patients undergoing hemorrhoidectomy for grade 3 or 4 hemorrhoids who are English-speaking patients, 21-65 yr of age, ASA physical status I-III, BMI<30

Exclusion Criteria:

• contraindications to administration of local anesthesia (e.g., local anesthetic allergy), difficult airway (Mallampati>2), psychiatric or cognitive disorders, pregnancy , and history of substance abuse or chronic opioid use