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First human case of Eidernor doerrieniae colonization in a peritoneal dialysis catheter: A warning from silent

Phichit Songviriyavithaya1, Aschariya Wipattanakitcharoen2, Niparat Pikul1

  • 1Division of Nephrology, Department of Medicine of Amnatcharoen Hospital, Amnatcharoen, Thailand.

Medical Mycology Case Reports
|March 5, 2025
PubMed

Insights

This case report details the first human infection by Eidernor doerrieniae in a peritoneal dialysis catheter. Early detection and antifungal treatment prevented serious complications, highlighting the significance of intraluminal particle monitoring.

Area of Science:

  • Mycology
  • Infectious Diseases
  • Medical Diagnostics

Background:

  • Peritoneal dialysis (PD) is a vital treatment for end-stage renal disease.
  • Fungal colonization of PD catheters can lead to serious infections like peritonitis.
  • Early identification of fungal presence is crucial for effective patient management.

Observation:

  • A 52-year-old male PD patient presented with brownish particles in his catheter.
  • No symptoms of peritonitis were initially present.
  • A wet contamination event occurred three weeks prior to observation.

Findings:

  • DNA sequencing and multi-targeted molecular diagnostics identified Eidernor doerrieniae.
  • Fungal cultures showed characteristic cerebriform (brain-like) colonies.
  • Prompt catheter removal and antifungal therapy led to successful resolution.

Implications:

  • Intraluminal particles in PD catheters can indicate fungal colonization.
  • Timely intervention and advanced molecular diagnostics are essential for preventing fungal peritonitis.
  • This case expands the known human pathogens associated with PD complications.
Keywords:
Catheter-related infectionsEidernorEidernor doerrieniaeFungal colonizationPeritoneal dialysisWet contamination

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