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Routine interval appendectomy in children is not indicated.

Puapong D, Lee SL, Haigh PI, Kaminski A, Liu IL, Applebaum H

Division of Pediatric Surgery and Department of Surgery, Kaiser Permanente Los Angeles Medical Center, Los Angeles, CA 90027, USA.

BACKGROUND: This study evaluates outcomes for children treated without interval appendectomy (IA) after successful nonoperative management of perforated appendicitis. METHODS: A retrospective study of pediatric patients with appendicitis was performed from 12 regional acute-care hospitals from 1992 to 2004 with mean length of follow-up of 7.5 years. Main outcomes were recurrent appendicitis and cumulative length of hospital stay. RESULTS: The study included 6439 patients, of which 6367 (99%) underwent initial appendectomy. Seventy-two (1%) patients were initially managed nonoperatively and 11 patients had IA. Of the remaining 61 patients without IA, 5 (8%) developed recurrent appendicitis. Age, sex, type of appendicitis, and abscess drainage had no influence on recurrent appendicitis. Cumulative length of hospital stay was 6.6 days in patients without IA, 8.5 days in patients with IA, and 9.6 days in patients with recurrent appendicitis. CONCLUSION: Recurrent appendicitis is rare in pediatric patients after successful nonoperative management of perforated appendicitis. Routine IA is not necessarily indicated for these children.

Published 12 September 2007 in J Pediatr Surg, 42(9): 1500-3.
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