Nonoperative management of appendiceal phlegmon or abscess in children less than 3years of age

Abstract

Background: In children less than 3years of age, there is little experience in the nonoperative management of appendiceal phlegmon or abscess (APA), especially in APA with an appendicolith. The purposes of this study were to evaluate the effects of an appendicolith and the success rate of nonoperative management for APA in these young children. Methods: Children younger than 3years of age with APA who underwent attempted initial nonoperative treatment between January 2008 and December 2016 were reviewed. Based on the presence or absence of an appendicolith on admission ultrasonography examination or computed tomography scan, children were divided into two groups: appendicolith group and no appendicolith group. Results: There were 50 children who met the study criteria. Among 50 children, three children failed to respond to nonoperative treatment because of aggravated intestinal obstruction or recurrent appendicitis within 30days of admission. The overall success rate for nonoperative management of APA was 94% (47/50) in children younger than 3years old. The rate of diarrhea and CRP levels were higher in the appendicolith group than that of the no appendicolith group (P<0.05). However, the success rate and the hospital length of stay for nonoperative treatment in the appendicolith group and the no appendicolith group were similar without statistical significance. Conclusion: APA with or without an appendicolith can have nonoperative management without immediate appendectomy in children less than 3years old.