Preoperative Local Infiltration with Ropivacaine for Postoperative Pain Relief After Cholecystectomy

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Abstract
In a randomized, double-blind, placebo-controlled trial, we evaluated the use of preoperative local anesthesia with regard to postoperative pain. Before surgery in 66 patients scheduled for cholecystectomy, the abdominal wall along the proposed line of incision was infiltrated with 70 mL of 0.25% ropivacaine, 70 mL of 0.125% ropivacaine, or 70 mL of saline. Wound pain at rest, wound pain during mobilization, and pressure exerted to reach maximum pain tolerance were assessed after 6,26, 50, and 74 h and after 7 days. Consumption of analgesics was recorded. At the 6-h assessment, there was a statistically significant dose-related decrease in wound pain during mobilization (P = 0.001) and an increase of pressure exerted to reach maximum pain tolerance (P

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