Under-Recognized Pathogens in Peritoneal Dialysis Associated-Peritonitis: The Importance of Early Detection

Area of Science:

• Nephrology
• Infectious Diseases
• Microbiology

Background:

• Peritoneal dialysis-associated peritonitis (PDAP) is a significant complication, impacting patient health and survival.
• Prompt empirical antibiotic therapy is crucial for symptom resolution and protecting the peritoneal membrane.

Observation:

• A 51-year-old male on peritoneal dialysis developed PDAP caused by Prevotella salivae and Corynebacterium jeikeium.
• Initial treatment with vancomycin and ceftazidime failed to improve symptoms.
• Prevotella, an anaerobic gram-negative bacterium, posed diagnostic challenges, delaying metronidazole administration.

Findings:

• The case highlights the difficulties in culturing and identifying anaerobic bacteria like Prevotella.
• Delayed diagnosis and targeted treatment can prolong recovery and increase morbidity.

Implications:

• Early and accurate diagnosis of PDAP is critical for effective treatment.
• Multiplex PCR panels, including Prevotella detection, could enhance diagnostic capabilities.
• Improved diagnostic tools may lead to faster initiation of appropriate antimicrobial therapy, improving patient outcomes.