• Anthony Owen, Olivia Moore, Sean Marven, and Julian Roberts.
• Paediatric Surgical Unit, Sheffield Children's Hospital, Western Bank, Sheffield, United Kingdom. Anthony.Owen@sch.nhs.uk
• J Laparoendosc Adv Surg Tech A. 2006 Jun 1; 16 (3): 308-11.

BackgroundConservative management of advanced complicated appendicitis in children is becoming more common. Formation of an appendiceal mass or abscess may mitigate against urgent appendectomy during the acute stage, and conservative treatment followed by interval appendectomy has been advocated. We present our experience of interval laparoscopic appendectomy in our institution.Materials And MethodsAll children who were offered interval laparoscopic appendectomy between January 2000 and December 2004 were included. Retrospective case note analysis was performed and data collected included demographics, duration of symptoms, method of diagnosis, days of antibiotics, length of interval, operative time, length of hospital stay (conservative treatment and interval laparoscopic appendectomy), analgesia requirements, complications, and histology.ResultsThirty-six children, median age 8 years (range, 1-15 years) diagnosed with appendiceal mass or abscess were offered interval laparoscopic appendectomy by two surgeons in our institution: one patient declined interval laparoscopic appendectomy. Median antibiotic treatment was 10 days (range, 3-23 days). Median length of stay for conservative treatment was 6 days (range, 1-27 days). Five children required percutaneous drainage. For the 35 children who had interval laparoscopic appendectomy, the median interval was 93 days (range, 34-156 days) and median operative time was 55 minutes (range, 25-120 minutes). Median length of stay for interval laparoscopic appendectomy was 1 day (range, 1-3 days). There were no complications following interval laparoscopic appendectomy.ConclusionInterval laparoscopic appendectomy can be safely performed in children, is associated with a short hospital stay and minimal morbidity, analgesia, and scarring following conservative management of appendiceal mass or abscess. Interval laparoscopic appendectomy eliminates the risk of recurrent appendicitis and serves to excise undiagnosed carcinoid tumors. In future it may be possible to perform interval laparoscopic appendectomy as a day-case procedure in selected patients.

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