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KMID : 1040320180250010001
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Pediatric Infection & Vaccine
2018 Volume.25 No. 1 p.1 ~ p.7
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Acute Appendicitis in Children and Adolescents: Factors Associated with Perforation and the Causative Organism
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Lee Sol
Kwon Hyuck-Jin
Ahn Soo-Min
Lee Kwan-Seop
Kim Kwang-Nam
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Abstract
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Purpose: This study aimed to determine which factors are related to perforated appendicitis. We also conducted a survey to identify the causative organism.
Methods: From January 2011 to December 2014, 569 pediatric patients (322 male) younger than 19 years old who underwent an appendectomy due to acute appendicitis at Hallym University Sacred Heart Hospital were enrolled. Patients' medical records were reviewed retrospectively to determine their clinical manifestations, laboratory and imaging results, and pathogens.
Results: About 127 patients (22%) had perforated appendicitis. The rate of perforated appendicitis in preschool, late childhood, and adolescent ages were 50%, 27%, and 16.8%, respectively. The risk factors of perforation were high C-reactive protein levels and the presence of appendiceal fecalith (P ＜0.001). Of the 24 samples of peritoneal fluid and periappendiceal pus that were collected intraoperatively, 16 were culture positive. The most common pathogen was Escherichia coli (n=10), and others were Pseudomonas aeruginosa , Streptococcus spp., and Staphylococcus spp.
Conclusions: The perforation rate of appendicitis among patients younger than 5 years old was 50%, and this decreased in proportion with age. Clinicians should be aware of the possibility of perforation when patients with appendicitis have high C-reactive protein levels or the presence of appendiceal fecalith on imaging.
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KEYWORD
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Appendicitis, Child, Adolescent
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