• Carmen Tappauf, Eva Schest, Philipp Reif, Uwe Lang, Karl Tamussino, and Wolfgang Schoell.
• Department of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria.
• Am. J. Obstet. Gynecol. 2013 Oct 1;209(4):338.e1-8.

ObjectiveWe sought to test the hypothesis that an extraperitoneal cesarean section (ECS) technique reduces postoperative pain without increasing intraoperative and postoperative complications.Study DesignIn a single-center, single-blinded prospective trial we randomized 54 patients with an indication for primary or first repeat cesarean section at term pregnancy to an ECS (n = 27) or transperitoneal cesarean section (TCS) (n = 27) procedure. Patients with suspected abnormal placentation, a history of >1 cesarean section, or major abdominal surgery were excluded. The primary endpoint of the study was maximum abdominal pain measured by numeric rating scale ranging from 0-10.ResultsPatients after ECS had significantly less maximum surgical site pain than patients after TCS. Median peak pain scores on postoperative day 1 were 4.00 (interquartile range, 3.00-5.00) for ECS and 5.00 (interquartile range, 4.00-7.00) for TCS, respectively (P = .031). Analgesic requirements, intraoperative nausea, and postoperative shoulder pain were significantly less after ECS. Overall operative time was significantly shorter in ECS, with no difference in delivery time. No bladder injury occurred in either group. There were no differences in estimated blood loss and neonatal outcome. Urogenital distress, urinary tract infection, and bowel dysfunction did not differ at discharge from hospital and 6 weeks after.ConclusionAn extraperitoneal approach to cesarean section appears to reduce postoperative pain, usage of analgesics, and intraoperative nausea without an increase in significant complications.Copyright © 2013 Mosby, Inc. All rights reserved.

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