• Pradeep P Nazarey, Steven Stylianos, Evelio Velis, Jason Triana, Jeannette Diana-Zerpa, Raquel Pasaron, Vanessa Stylianos, Leopoldo Malvezzi, Colin Knight, and Cathy Burnweit.
• Department of Pediatric Surgery, Miami Children's Hospital, Miami, FL, USA. Electronic address: Pradeepp.nazarey@umassmemorial.org.
• J. Pediatr. Surg. 2014 Mar 1; 49 (3): 447-50.

BackgroundInitial antibiotics with planned interval appendectomy (interval AP) have been used to treat patients with complicated perforated appendicitis; however, little experience exists with this approach in children with suspected acute perforated appendicitis (SAPA). We sought to determine the outcome of initial antibiotics and interval AP in children with SAPA.MethodsOver an 18-month period, 751 consecutive patients underwent appendectomy including 105 patients with SAPA who were treated with initial intravenous antibiotics and planned interval AP ≥ 8 weeks after presentation. All SAPA patients had symptoms for ≤ 96 hours. Primary outcome variables were rates of readmission, abscess formation, and need for interval AP prior to the planned ≥ 8 weeks.ResultsIntraabdominal abscess rate was 27%. Appendectomy prior to planned interval AP was 11% and readmission occurred in 34%. All patients underwent eventual appendectomy with pathologic confirmation confirming the previous appendiceal inflammation. White blood cell (WBC) count >15,000, WBC >15,000 plus fecalith on imaging, and WBC >15,000 plus duration of symptoms >48 hours were all significantly associated with higher rates of readmission (p=0.01, p=0.04, p=0.02) and need for interval AP prior to the planned ≥ 8 weeks (p=0.003, p=0.05, p=0.03).ConclusionsTreatment of SAPA with antibiotics and planned interval AP is successful in the majority of patients; however, complications such as abscess formation and/or readmission prior to planned interval AP occur in up to one-third of patients. Certain clinical variables are associated with increased treatment complications.© 2014.

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