Peritoneal drainage in children with uncomplicated perforated appendicitis (UPA) is still controversial. Many pediatric surgeons prefer not to drain the peritoneal cavity in such cases. However, there is no randomized controlled study performed in children. We aimed to study the effects of peritoneal drainage in children with UPA in a randomized prospective trial. One hundred and forty consecutive patients with UPA were divided randomly into 2 groups. Group I (70 patients) consisted of cases with peritoneal drainage, and group II (70 patients) without drainage. UPA is defined as perforated appendicitis with no more discoloration of peritoneal fluid after peritoneal wash out. Cases with localized abscess in the peritoneum were excluded from the study. In all patients, the ages, duration of symptoms, nasogastric drainage and hospitalization, and complications after surgery were recorded. The duration of hospitalization and nasogastric draining time were significantly lower in patients without peritoneal drainage. There was no difference in postoperative complications between the two groups. The onset of oral intake after surgery was significantly earlier in group II patients. Placing drains in the peritoneum does not improve outcome in UPA. Therefore, we do not recommend routine drainage of children with UPA.
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