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[Infection peritonitis in patients undergoing continuous ambulatory peritoneal dialysis: microbiological review

C Laurain1, P Y Durand, M Albert

  • 1Laboratoire de bactériologie, Vandoeuvre-lès-Nancy, France.

Pathologie-Biologie
|December 15, 2004
PubMed

Insights

Continuous ambulatory peritoneal dialysis (CAPD) peritonitis is most commonly caused by Gram-positive bacteria, particularly coagulase-negative staphylococci. Antibiotic sensitivity patterns align with community-acquired infections.

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Microbiology

Background:

  • Peritonitis is a serious complication for patients undergoing continuous ambulatory peritoneal dialysis (CAPD).
  • Understanding the microbiological landscape of CAPD-associated peritonitis is crucial for effective treatment and prevention.

Purpose of the Study:

  • To analyze the microbiological characteristics of infectious peritonitis in CAPD patients.
  • To identify the predominant causative agents and their antibiotic sensitivity.

Main Methods:

  • Retrospective study conducted at CHU Nancy from 1999 to 2002.
  • Diagnosis of peritonitis based on peritoneal effluent analysis (cell count, differential), microbial culture, and clinical symptoms.
  • Microbiological analysis included bacterial and fungal identification.

Main Results:

  • Gram-positive bacteria were the most frequent cause (68%), followed by Gram-negative bacteria (31%) and Candida (1%).
  • Coagulase-negative staphylococci were identified as the leading cause of peritonitis.
  • Observed antibiotic sensitivity profiles were consistent with community-acquired microbial isolates.

Conclusions:

  • Gram-positive bacteria, especially coagulase-negative staphylococci, are the primary pathogens in CAPD peritonitis.
  • The antibiotic susceptibility of isolated microorganisms mirrors that of community-acquired infections, guiding empirical treatment strategies.

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