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Peritoneal Dialysis-Related Peritonitis Caused by Staphylococcus caprae: A Case Report
Mayu Iwata1, Kenta Torigoe1, Sayaka Honda1
1Department of Nephrology, Nagasaki University Hospital, Nagasaki, JPN.
Cureus
|August 29, 2025
Summary
A rare case of peritoneal dialysis peritonitis caused by Staphylococcus caprae was successfully treated. Intraperitoneal vancomycin effectively resolved the infection, indicating a favorable prognosis for this Staphylococcus caprae peritonitis.
Area of Science:
- Nephrology
- Infectious Diseases
- Microbiology
Background:
- Peritoneal dialysis (PD) is a vital treatment for end-stage renal disease.
- PD-related peritonitis is a common complication, often caused by Staphylococcus species.
- Prompt diagnosis and effective antibiotic treatment are crucial for successful outcomes.
Observation:
- An 88-year-old male PD patient presented with classic symptoms of peritonitis: cloudy dialysate and elevated white blood cell count.
- Initial treatment with cefazolin and ceftazidime showed partial improvement.
- Effluent culture identified methicillin-resistant Staphylococcus caprae as the causative agent.
Findings:
- Switching to intraperitoneal vancomycin led to rapid resolution of peritonitis, with normalized dialysate parameters within 5 days.
- The patient recovered fully without the need for PD catheter removal.
- Staphylococcus caprae peritonitis, though rare, appears to be effectively managed with vancomycin.
Implications:
- This case highlights Staphylococcus caprae as a potential pathogen in PD-related peritonitis.
- Intraperitoneal vancomycin is an effective treatment option for S. caprae peritonitis.
- Patients with S. caprae peritonitis may have a favorable prognosis with appropriate antibiotic therapy.
Keywords:
antibiotic therapyend-stage renal disease (esrd)peritoneal dialysisperitonitisstaphylococcus capraeMore Related Videos
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