• Albert M Nana, Christian Ngongang Ouandji, Christian Simoens, Dirk Smets, and Mendes da Costa Pierre P.
• Department of Digestive and Laparoscopic Surgery, Brugmann University Hospital Brussels, Belgium.
• Hepato Gastroenterol. 2007 Jun 1; 54 (76): 1146-52.

Background/AimsAppendicitis is one of the most frequent causes of abdominal pain in western countries. It occurs in 6 to 7% of the United States population. Despite laboratory and imagery tests, 15 to 40% appendices removed by laparotomy appear to be normal at histological examination. Thus, others pathologies beside appendicitis may be found in patients with right lower quadrant pain. This had led some to advocate laparoscopy for patients suspected to have acute appendicitis. The aim of this study is to determine the contribution of laparoscopy in patients with right lower quadrant pain and the implications of removing a macroscopic normal appendix. Rates of all pathologies and normal appendices were found at laparoscopy. Morbidity, mortality rates and length of hospital stay linked to laparoscopic appendectomy.DesignProspective non-randomized study.MethodologyBetween January 1995 and September 2004, 615 patients have been approached by laparoscopy for acute, subacute or chronic abdominal right-lower-quadrant pain in our Department of Digestive and Laparoscopic Surgery. Thirteen patients have not been hold and the study involves 602 patients including 311 men and 291 women with a mean age of 33 years. All removed tools have been analyzed histologically. During the same period, only 5 patients have been approached by laparotomy.ResultsFive hundred and thirty patients (88%) had appendicitis, 39 patients (6.5%) had another pathology and no disease was found in 33 patients (5.5%). According to the sex, appendicitis was found in 242 women (83.2%) versus 288 men (92.6%). Thirty-four women (11.7%) versus 5 men (2%) had another pathology. The local morbidity was 4.3%, the general morbidity 1% and the mortality was 0%. The average length of postoperative hospital stay was 4 days (range: 1-27). Oral intake was assumed on average 1.5 days postoperatively (range: 0-13). There were 10 reoperations (1.6%).ConclusionsLaparoscopy is a reliable technique, safe and reproducible. It is an effective and relatively atraumatic tool to investigate abdominal cavity. This allows an accurate decision-making, which is especially advantageous in young women who have a high rate of non-appendicular pathologies. Laparoscopy also reduces the rate of unnecessary abdominal exploration while realizing a correct diagnosis of others possible pathologies. We therefore advocate laparoscopy in patients with abdominal right-lower-quadrant pain, especially women.

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