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Citrobacter peritoneal dialysis peritonitis: rare occurrence with poor outcomes
Chia-Ter Chao1, Szu-Ying Lee, Wei-Shun Yang
1Department of Traumatology, National Taiwan University Hospital, Taipei, Taiwan.
International Journal of Medical Sciences
|July 23, 2013
Summary
Citrobacter species cause increasing peritoneal dialysis (PD)-related peritonitis with poor outcomes. This study highlights high antibiotic resistance, mortality, and technique failure rates in PD patients.
Area of Science:
- Nephrology
- Infectious Diseases
- Microbiology
Background:
- Non-Pseudomonas gram-negative bacteria are an emerging cause of peritoneal dialysis (PD)-related peritonitis.
- Citrobacter species' role in PD peritonitis is often underestimated.
Purpose of the Study:
- To describe clinical features, laboratory findings, and outcomes of PD-related peritonitis caused by Citrobacter.
Main Methods:
- Retrospective review of PD-related peritonitis episodes caused by Citrobacter (1990-2010).
- Analysis of clinical features, microbiological data, and patient outcomes.
Main Results:
- Citrobacter caused 1.8% of PD peritonitis episodes, with Citrobacter freundii being most common.
- High antibiotic resistance observed (e.g., 54% resistant to cefazolin).
- 18% mortality and 89% technique failure rate among survivors.
Conclusions:
- PD-related peritonitis due to Citrobacter is linked to adverse outcomes.
- High rates of antibiotic resistance, mortality, and technique failure necessitate careful management.
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