Intraperitoneal lidocaine instillation and postcesarean pain after parietal peritoneal closure: a randomized double blind placebo-controlled trial.

Objective: To evaluate the effects of intraperitoneal instillation of lidocaine on postcesarean pain in patients with pariental periotoneal closure.

Methods: A sample of 370 pregnant women, presenting early in labor, with no history of abdominal surgery and with indications for cesarean section were operated on with closure of the parietal peritoneum. They randomly received either 200 mg of intraperitoneal lidocaine or sterile saline (0.