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Peritoneal dialysis-related peritonitis caused by Rhodococcus corynebacterioides
Yuki Tanaka1, Daisuke Hirai2, Yuriko Kawai1
1Department of Nephrology, National Hospital Organization Kyoto Medical Center, 1-1, Mukaihata-cho, Fukakusa, Fushimi-ku, Kyoto, 612-8555, Japan.
CEN Case Reports
|July 25, 2022
Summary
This case report details the first instance of peritonitis in a peritoneal dialysis patient caused by Rhodococcus corynebacterioides. Rapid identification using mass spectrometry aided in guiding treatment for this rare dialysis complication.
Area of Science:
- Nephrology
- Infectious Diseases
- Microbiology
Background:
- Peritoneal dialysis is a common treatment for end-stage renal disease.
- Peritonitis is a serious complication of peritoneal dialysis, requiring prompt diagnosis and treatment.
- Identifying the causative organism is crucial for effective peritonitis management.
Observation:
- A 57-year-old Japanese man undergoing peritoneal dialysis presented with his fifth episode of peritonitis.
- Rhodococcus corynebacterioides was identified as the causative agent in the ascitic fluid.
- Initial treatment with intraperitoneal vancomycin showed temporary improvement.
Findings:
- The patient experienced recurrent peritonitis despite initial treatment.
- The causative organism, Rhodococcus corynebacterioides, was rapidly identified using mass spectrometry.
- This is the first reported case of peritoneal dialysis-associated peritonitis caused by Rhodococcus corynebacterioides.
Implications:
- Rapid identification of rare pathogens like Rhodococcus corynebacterioides is essential for effective peritonitis treatment in peritoneal dialysis patients.
- Mass spectrometry offers a faster alternative to 16S rRNA gene sequencing for identifying challenging organisms.
- Recurrent peritonitis may necessitate catheter removal, highlighting the importance of timely and accurate diagnosis.
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