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Published on: December 10, 2016
Recent Issues in Pediatric Clostridium difficile Infection
Jason A Clayton1, Philip Toltzis2
1Division of Pediatric Critical Care, Rainbow Babies and Children's Hospital, 11100 Euclid Avenue, Cleveland, OH, 44106, USA. jason.clayton@uhhospitals.org.
Insights
Community-acquired Clostridium difficile infection (CA-CDI) is emerging in children, with up to 25% experiencing recurrent infections. New prevention strategies are being tested for pediatric recurrent CDI.
Area of Science:
- Pediatric Infectious Diseases
- Microbiome Research
- Epidemiology
Background:
- Clostridium difficile infection (CDI) is a significant concern in children.
- Emergence of community-associated CDI (CA-CDI) and recurrent CDI are key challenges.
- Accurate diagnosis in young children is complicated by asymptomatic C. difficile excretion.
Purpose of the Study:
- To review recent advances in understanding community-associated CDI (CA-CDI) in children.
- To examine the incidence and prevention strategies for recurrent CDI in pediatric populations.
- To highlight areas for future research in pediatric CDI.
Main Methods:
- Review of current literature and survey data on pediatric CDI.
- Analysis of risk factors and diagnostic challenges for CA-CDI in children.
- Evaluation of emerging preventative strategies for recurrent CDI, adapted from adult studies.
Main Results:
- A substantial proportion of pediatric CDI cases are acquired in the community.
- High rates of asymptomatic C. difficile excretion in infants and toddlers complicate CA-CDI estimates.
- Recurrent CDI affects up to 25% of children diagnosed with the infection.
- Several adult preventative strategies (e.g., microbiome therapies, immune therapies) are under investigation for pediatric use.
Conclusions:
- Further research is needed to accurately characterize community acquisition of CDI in children.
- Defining the safety and efficacy of recurrent CDI prevention strategies in pediatric patients is crucial.
- Understanding asymptomatic excretion is key to managing CA-CDI in young children.
Purpose Of Review:
We focus on two recent aspects of Clostridium difficile infection (CDI) in children, namely the emergence of community-associated CDI (CA-CDI) and the incidence and prevention of recurrent CDI.
Recent Findings:
Current surveys suggest that a large proportion of all pediatric CDI is acquired in the community. Risk factors and frequency estimates of pediatric CA-CDI, however, are confounded in babies and toddlers by a high rate of asymptomatic excretion, whose detection likely is exaggerated by the wide use of highly sensitive nucleic acid amplification tests. Recurrent diarrhea occurs in up to 25% of children with CDI. Preventative strategies for recurrent CDI in adults, namely pulse and taper antibiotic dosing, use of anti-CDI drugs with mild effect on the colonic microbiome, fecal microbiota transplantation, and passive immune therapy, currently are being tested in children. Future studies are required to better characterize community acquisition of CDI in children and to define the safety and effectiveness of preventative strategies for recurrent CDI.
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