• A E Sanabria, C H Morales, and M I Villegas.
• Pontificia Universidad Javeriana-Hospital Universitario San Ignacio, Department of Surgery, Carrera 7 No 40-62, Hospital Universitario de San Ignacio, 7 piso, Bogota, Colombia. alvarosanabria@gmail.com
• Cochrane Db Syst Rev. 2005 Jan 1(4):CD004778.

BackgroundPerforated peptic ulcer is a common abdominal disease that is treated by surgery. The development of laparoscopic surgery has changed the way to treat such abdominal surgical emergencies. The results of some clinical trials suggest that laparoscopic surgery could be a better strategy than open surgery in the correction of perforated peptic ulcer but the evidence is not strongly in favour or against this intervention.ObjectivesTo measure the effect of laparoscopic surgical treatment versus open surgical treatment in patients with a diagnosis of perforated peptic ulcer in relation to abdominal septic complications, surgical wound infection, extra-abdominal complications, hospital length of stay and direct costs.Search StrategyWe searched the Cochrane Central Register of Controlled Trials (CENTRAL) on The Cochrane Library (Issue 2, 2004), PubMed/MEDLINE (1966 to July 2004), EMBASE (1985 to November 2004) and LILACS (1988 to November 2004) as well as reference lists of relevant articles.Selection CriteriaRandomised clinical trials comparing laparoscopic surgery versus open surgery for the repair of perforated peptic ulcer using any mechanical method of closure (suture, omental patch or fibrin sealant).Data Collection And AnalysisPrimary outcome measures included proportion of septic and other abdominal complications (surgical site infection, suture leakage, intra-abdominal abscess, postoperative ileus) and extra-abdominal complications (pulmonary). Secondary outcomes included mortality, time to return to normal diet, time of nasogastric aspiration, hospital length of stay and costs. Outcomes were summarized by reporting odds ratios and 95% confidence intervals, using the fixed-effect model.Main ResultsWe included two randomised clinical trials, which were of acceptable quality. We found no statistically significant differences between laparoscopic and open surgery in the proportion of abdominal septic complications (OR 0.66, 95% CI 0.30 to 1.47), pulmonary complications (OR 0.37, 95% CI 0.11 to 1.31) or actual number of septic abdominal complications (OR 0.72, 95% CI 0.33 to 1.58). Heterogeneity was significant only for pulmonary complications.Authors' ConclusionsThis systematic review suggests that a decrease in septic abdominal complications may exist when laparoscopic surgery is used to correct perforated peptic ulcer. However, it is necessary to develop more randomised controlled trials that include a greater number of patients to confirm such an assumption, guaranteeing a long learning curve for participating surgeons. With the information provided by the available clinical trials it could be said that laparoscopic surgery results are not clinically different from those of open surgery.

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