• Ahmed Youssif Shahin and Ayman Mamdouh Osman.
• Department of Obstetrics and Gynecology, Women's Health Centre, Assiut University, 71116 Assiut, Egypt. Ahmed.Shahin@web.de
• Clin J Pain. 2010 Feb 1; 26 (2): 121-7.

ObjectiveTo evaluate the effects of intraperitoneal instillation of lidocaine on postcesarean pain in patients with pariental periotoneal closure.MethodsA 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 (0.9%). Pain scores on the first and fifteenth postoperative days were recorded and followed up every 2 weeks up to 8 months after surgery.ResultsOverall incidence and pain scores of epigastric and global abdominal pain were more frequent in the controls than in the lidocaine group. The incidence of persistent postcesarean pain after 8 months dropped from 20.8.0% to 10.8% (P<0.001) when intraperitoneal lidocaine was instilled.ConclusionsIntraperitoneal instillation of 200 mg of lidocaine decreased the incidence and scores of postcesarean pain when the parietal peritoneum was sutured. Further studies in a setting offering more effective acute pain control protocols, preferably with patient-controlled analgesia, are recommended to assess the use of lidocaine before it can be widely practiced.

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