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Mycobacterium porcinum peritonitis in a patient on continuous ambulatory peritoneal dialysis

Ritesh Patil1, Trupti Patil, Louis Schenfeld

  • 1Department of Internal Medicine, Temple University/Conemaugh Valley Memorial Medical Center, 1086 Franklin Street, Johnstown, PA 15905, USA. drriteshpatil@yahoo.co.in

Journal of General Internal Medicine
|November 25, 2010
PubMed

Insights

This case report details the first instance of Mycobacterium porcinum peritonitis in a continuous ambulatory peritoneal dialysis (CAPD) patient. Early suspicion and targeted antibiotic therapy led to a successful clinical outcome.

Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Nephrology

Background:

  • Mycobacterium porcinum is a known pathogen causing infections like wound, respiratory, osteomyelitis, and catheter-related bacteremia.
  • Peritonitis is a serious complication for patients undergoing peritoneal dialysis.

Observation:

  • A 67-year-old female on continuous ambulatory peritoneal dialysis (CAPD) presented with constitutional symptoms and abdominal pain.
  • Peritoneal fluid cultures initially revealed acid-fast rods, leading to suspicion of Nocardia.
  • Empirical treatment included amikacin and trimethoprim-sulfamethoxazole, with dialysis catheter removal.

Findings:

  • Final culture results identified Mycobacterium porcinum as the causative agent.
  • The patient showed a good clinical response after initiating ciprofloxacin and trimethoprim-sulfamethoxazole therapy.

Implications:

  • This case highlights M. porcinum as a potential cause of peritonitis in CAPD patients.
  • Prompt diagnosis and appropriate antibiotic selection are crucial for managing M. porcinum peritonitis.
  • Further research may be needed to understand the epidemiology and optimal treatment strategies for this infection in dialysis patients.

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