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Candida tropicalis in human disease

Louis Yi Ann Chai1, David W Denning, Peter Warn

  • 1Department of Medicine, National University Hospital, Singapore.

Critical Reviews in Microbiology
|October 2, 2010
PubMed

Insights

Candida tropicalis causes significant human disease, especially in tropical regions. Awareness and appropriate treatment are crucial due to its virulence and potential for antifungal resistance.

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Tropical Medicine

Background:

  • Candida tropicalis is a frequent cause of human candidiasis, particularly in tropical climates.
  • It shares virulence factors with Candida albicans and poses a significant threat to immunocompromised individuals, especially those who are neutropenic.
  • The incidence of invasive disease caused by C. tropicalis varies geographically, contributing between 3% and 66% of candidemia cases.

Purpose of the Study:

  • To highlight the clinical significance and pathogenic traits of Candida tropicalis.
  • To inform healthcare professionals about treatment options and the potential for antifungal resistance.
  • To increase awareness of this pathogen in regions where it is prevalent.

Main Methods:

  • Literature review and synthesis of existing data on Candida tropicalis epidemiology, pathogenicity, and treatment.
  • Analysis of geographic variations in candidemia caused by C. tropicalis.
  • Review of current treatment guidelines and antifungal susceptibility patterns.

Main Results:

  • Candida tropicalis demonstrates significant virulence, particularly in neutropenic patients, often leading to hematogenous spread to peripheral organs.
  • First-line treatments for candidemia and invasive candidiasis include amphotericin B or echinocandins, with extended-spectrum triazoles as alternatives.
  • While primary fluconazole resistance is rare, it can be induced upon exposure.

Conclusions:

  • Physicians in endemic areas must be vigilant regarding Candida tropicalis infections.
  • Understanding the pathogen's characteristics and resistance patterns is vital for effective patient management.
  • Further research may be needed to fully elucidate the geographic and clinical impact of C. tropicalis.

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