• Kurinchi Selvan Gurusamy, Rahul Koti, Giuseppe Fusai, and Brian R Davidson.
• Department of Surgery, Royal Free Campus, UCL Medical School, London, UK. kurinchi2k@hotmail.com.
• Cochrane Db Syst Rev. 2012 Jan 1;6:CD008370.

BackgroundPancreatic resections are associated with high morbidity (30% to 60%) and mortality (5%). Synthetic analogues of somatostatin are advocated by some surgeons to reduce complications following pancreatic surgery, however their use is controversial.ObjectivesTo determine whether prophylactic somatostatin analogues should be used routinely in pancreatic surgery.Search MethodsWe searched the Cochrane Upper Gastrointestinal and Pancreatic Diseases Group Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library 2011, Issue 12), MEDLINE, EMBASE and Science Citation Index Expanded to December 2011.Selection CriteriaWe included randomised controlled trials comparing prophylactic somatostatin or one of its analogues versus no drug or placebo during pancreatic surgery (irrespective of language or publication status).Data Collection And AnalysisTwo authors independently assessed trials for inclusion and independently extracted data. We analysed data with both the fixed-effect and random-effects models using Review Manager (RevMan). We calculated the risk ratio (RR), mean difference (MD) or standardised mean difference (SMD) with 95% confidence intervals (CI) based on an intention-to-treat or available case analysis. When it was not possible to perform either of the above, we performed per protocol analysis.Main ResultsWe identified 19 trials (17 trials of high risk of bias) involving 2245 patients. There was no significant difference in the perioperative mortality (RR 0.80; 95% CI 0.56 to 1.16; N = 2210) or the number of patients with drug-related adverse effects between the two groups (RR 2.09; 95% CI 0.83 to 5.24; N = 1199). Quality of life was not reported in any of the trials. The overall number of patients with postoperative complications was significantly lower in the somatostatin analogue group (RR 0.69; 95% CI 0.60 to 0.79; N = 1858) but there was no significant difference in the re-operation rate (RR 1.26; 95% CI 0.58 to 2.70; N = 687) or hospital stay (MD -1.04 days; 95% CI -2.54 to 0.46; N = 1269) between the groups. The incidence of pancreatic fistula was lower in the somatostatin analogue group (RR 0.63; 95% CI 0.52 to 0.77; N = 2161). The proportion of these fistulas that were clinically significant was not mentioned in most trials. On inclusion of trials that clearly distinguished clinically significant fistulas, there was no significant difference between the two groups (RR 0.69; 95% CI 0.34 to 1.41; N = 247).Authors' ConclusionsSomatostatin analogues may reduce perioperative complications but do not reduce perioperative mortality. Further adequately powered trials with low risk of bias are necessary. Based on the current available evidence, somatostatin and its analogues are recommended for routine use in patients undergoing pancreatic resection.

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