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Background and Aims: Laparoscopic pediatric surgery allows a rapid postoperative rehabilitation and hospital discharge. However, the optimal postoperative pain management preserving advantages of this surgical technique remains to be determined. This study aimed to identify factors affecting the postoperative recovery of bowel function after laparoscopic surgery in children. Material and Methods: A retrospective analysis of factors affecting recovery of bowel function in children and infants undergoing laparoscopic surgery between January 1, 2009 and September 30, 2009, was performed. Factors included were: Age, weight, extent of surgery (extensive, regional or local), chronic pain (sickle cell disease or chronic intestinal inflammatory disease), American Society of Anaesthesiologists status, postoperative analgesia (ketamine, morphine, nalbuphine, paracetamol, nonsteroidal anti-inflammatory drugs [NSAIDs], nefopam, regional analgesia) both in the Postanesthesia Care Unit and in the surgical ward; and surgical complications. Data analysis used classification and regression tree analysis (CART) with a 10-fold cross validation. Results: One hundred and sixty six patients were included in the analysis. Recovery of bowel function depended upon: The extent of surgery, the occurrence of postoperative surgical complications, the administration of postoperative morphine in the surgical ward, the coadministration of paracetamol and NSAIDs and/or nefopam in the surgical ward and the emergency character of the surgery. The CART method generated a decision tree with eight terminal nodes. The percentage of explained variability of the model and the cross validation were 58% and 49%, respectively. Conclusion: Multimodal analgesia using nonopioid analgesia that allows decreasing postoperative morphine consumption should be considered for the speed of bowel function recovery after laparoscopic pediatric surgery. [ABSTRACT FROM AUTHOR]

Background: Opioid side effects are a great concern during the postoperative period in children. Nonsteroidal antiinflammatory drugs (NSAIDs) have been shown to effectively decrease postoperative pain, but their opioid-sparing effect is still controversial. In this present meta-analysis, we investigated the postoperative opioid-sparing effect of NSAIDs in children., Methods: A comprehensive literature search was conducted to identify clinical trials using NSAIDs and opioids as perioperative analgesic compounds in children and infants. Outcomes measured were opioid consumption, pain intensity, postoperative nausea and vomiting (PONV), and urinary retention. All outcomes were studied during postanesthesia care unit (PACU) stay and the first 24 postoperative hours. Data from each trial were combined to calculate the pooled odds ratios (ORs) or standardized mean difference (SMD) and their 95% confidence interval., Results: Twenty-seven randomized controlled studies were analyzed. Perioperative administration of NSAIDs decreased postoperative opioid requirement (both in the PACU and during the first 24 postoperative hours; SMD = -0.66 [-0.84, -0.48] and -0.83 [-1.11, -0.55], respectively), pain intensity in the PACU (SMD = -0.85 [-1.24, -0.47]), and PONV during the first 24 postoperative hours (OR = 0.75 [0.57-0.99]). NSAIDs did not decrease pain intensity during the first 24 postoperative hours (OR = 0.56 [0.26-1.2]) and PONV during PACU stay (OR = 1.02 [0.73-1.44]). Subgroup analysis according to the timing of NSAID administration (intraoperative versus postoperative), type of surgery, or coadministration of paracetamol did not show any influence of these factors on the studied outcomes except the reduction of pain intensity and the incidence of PONV during the first 24 postoperative hours, which were influenced by the coadministration of paracetamol and the type of surgery, respectively., Conclusion: This meta-analysis shows that perioperative NSAID administration reduces opioid consumption and PONV during the postoperative period in children.