Impact of Clostridium difficile infection on pediatric appendicitis
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Updated: Nov 9, 2025

Fecal Microbiota Transplantation via Colonoscopy for Recurrent C. difficile Infection
Published on: December 8, 2014
Felix Orelaru1, Patrick Karabon2, Nathan Novotny2,3
1St. Joseph Mercy Hospital, Ann Arbor, MI, US.
Insights
Clostridium difficile infection rarely complicates pediatric appendicitis but significantly increases disease severity. Optimizing antibiotic use may reduce this risk in children with appendicitis.
Area of Science:
- Pediatric Infectious Diseases
- Gastrointestinal Surgery
- Healthcare Epidemiology
Background:
- Clostridium difficile infection (CDI) is a significant cause of hospital-acquired infections in children.
- Pediatric appendicitis is a common surgical condition requiring prompt management.
Purpose of the Study:
- To determine the incidence and impact of CDI in pediatric acute appendicitis cases.
- To identify risk factors associated with CDI in this patient population.
Main Methods:
- Analysis of the 2009 and 2012 Kids' Inpatient Database.
- Weighted statistical analysis using SAS 9.4 Survey Sampling and Analysis procedures.
- Identification of 176,934 pediatric appendicitis cases.
Main Results:
- 0.2% of pediatric appendicitis cases had a concurrent CDI diagnosis.
- CDI was more prevalent in perforated appendicitis (0.39%) versus non-perforated (0.06%).
- Perforated appendicitis and anemia were independent predictors of CDI. CDI cases had longer length of stay and higher total charges.
Conclusions:
- CDI is an uncommon but severe complication of pediatric appendicitis.
- Increased disease severity, length of stay, and costs are associated with CDI in pediatric appendicitis.
- Judicious antibiotic stewardship is recommended to mitigate CDI risk in pediatric appendicitis.
Introduction:
Clostridium difficile is an important cause of nosocomial infection in the pediatric population. The purpose of this study is to estimate the impact of Clostridium difficile infection complicating pediatric acute appendicitis.
Methods:
This study utilizes the combined 2009 and 2012 Kids' Inpatient Database. Statistical analysis is weighted and was done using Survey Sampling and Analysis procedures in SAS 9.4.
Results:
We identified 176,934 cases with appendicitis and 0.2% (n = 358) had a concurrent diagnosis of C. difficile. The proportion of cases with C. difficile in perforated appendicitis was greater than in the non-perforated cases (0.39% vs. 0.06%; p < .01). Multivariate analysis showed that perforated appendicitis (OR 5.22), and anemia (OR 4.95) were independent predictors of C. difficile infection (p < .001). Adjusted for perforated appendicitis, cases with C. difficile had 4.78 days longer length of stay (LOS) and higher total charges of $29,887 (all p < 0.0001) compared to non-C. difficile cases.
Conclusion:
C. difficile infection is a rare, but impactful complication of pediatric appendicitis and is associated with greater disease severity. Proper antibiotic stewardship could minimize the risk of C. difficile in pediatric appendicitis.
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