• Gustavo L Rossi, Ricardo Mentz, Santiago Bertone, Guillermo Ojea Quintana, Soledad Bilbao, Victor M Im, and Carlos A Vaccaro.
• Section of Colorectal Surgery, Department of General Surgery, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
• Dis. Colon Rectum. 2014 Dec 1;57(12):1384-90.

BackgroundOver the past few years, the laparoscopic peritoneal lavage has emerged as a therapeutic alternative to standard resection procedures. However, its effectiveness and applicability remain debatable.ObjectiveThe aim of this study was to assess laparoscopic lavage in controlling abdominal sepsis secondary to purulent peritonitis.DesignThis study was conducted as a retrospective analysis of prospectively collected data.SettingThis study was conducted at a single tertiary care institution.PatientsPatients requiring emergency surgery for perforated diverticulitis and generalized peritonitis between June 2006 and June 2013 were identified from a prospective database. Laparoscopic assessment was considered in all of the hemodynamically stable patients, and laparoscopic lavage was performed according to intraoperative strict criteria.Main Outcome MeasuresPrimary outcomes were the effectiveness and applicability of laparoscopic lavage. Secondarily, feasibility, morbidity, and mortality were also assessed.ResultsSeventy-five patients required emergency surgery for generalized peritonitis secondary to perforated diverticulitis. Forty-six patients who underwent laparoscopy presented a purulent generalized (Hinchey III) peritonitis and were examined under the intention-to-treat basis to perform a laparoscopic lavage. Thirty-two patients (70.0%; 95% CI 56.2-82.7) had no previous episodes of diverticulitis. Thirty-six patients (78.0%; 95% CI 66.3-90.1) had free air on a CT scan. The conversion rate was 4% (95% CI 0-10). The feasibility of the method was 96.0% (95% CI 90.4-100), and its applicability was 59.0% (95% CI 44.8-73.2). Median operative time was 89 minutes (range, 40-200 minutes). Postoperative morbidity was 24.0% (95% CI 11.7-36.3), and the mortality rate was 0%. We registered 5 failures, and all of them underwent reoperation. The effectiveness of the procedure was 85% (95% CI 76-93).LimitationsThis was a single-institution retrospective study.ConclusionsThe effectiveness of laparoscopic lavage seems to be high. Although its applicability is lower, it could be applied in more than half of patients requiring emergency surgery. This alternative strategy should be considered when laparoscopic assessment reveals Hinchey III diverticulitis.

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