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Fulminant atypical Cryptococcus neoformans pneumonia confirmed by PLEX-ID

Karim Gariani1, Mathieu Rougemont2, Gesuele Renzi3

  • 1Department of Internal Medicine, Division of General Internal Medicine, University of Geneva Hospitals, Geneva, Switzerland.

International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases
|March 5, 2014
PubMed

Insights

The PLEX-ID system offers rapid molecular diagnosis in microbiology. This case highlights its potential to speed up identification of pathogens like Cryptococcus neoformans in severe infections, aiding timely treatment.

Area of Science:

  • Medical Microbiology
  • Infectious Diseases
  • Molecular Diagnostics

Background:

  • Severe respiratory failure and septic shock necessitate rapid etiological diagnosis.
  • Timely identification of pathogens is crucial for effective patient management.
  • Cryptococcal pneumonia is a serious opportunistic infection, particularly in HIV-positive individuals.

Observation:

  • A 46-year-old male presented with severe respiratory failure and septic shock, later diagnosed with HIV and Cryptococcal pneumonia via Fungi-Fluor™ staining of bronchoalveolar lavage (BAL).
  • Despite intensive care and antifungal treatment, the patient unfortunately passed away within 12 hours of admission.

Findings:

  • Retrospective analysis using the PLEX-ID system on BAL, bronchial aspirate, and blood samples all identified Cryptococcus neoformans.
  • This highlights the system's capability to detect the pathogen across different sample types.

Implications:

  • Rapid molecular diagnostics, particularly PLEX-ID on blood samples from septic patients, can significantly reduce diagnostic time.
  • Faster identification may lead to quicker, targeted treatment, potentially improving patient outcomes and reducing the need for extensive diagnostic workups.
Keywords:
Cryptococcus neoformansMolecular diagnosticPLEX-ID

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