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Whole Genome Sequencing of Candida glabrata for Detection of Markers of Antifungal Drug Resistance
Published on: December 28, 2017
The Emerging Threat of Antifungal Resistance in Transplant Infectious Diseases
Ilan S Schwartz1, Thomas F Patterson2,3
1San Antonio Center for Medical Mycology, UT Health San Antonio, San Antonio, TX, USA. ilan.steven.schwartz@gmail.com.
Purpose Of Review:
The global emergence of antifungal resistance among Candida spp. and Aspergillus spp. will disproportionately affect transplantation recipients, who are prone to invasive fungal disease.
Recent Findings:
Invasive candidiasis is increasingly caused by non-albicans Candida species with reduced susceptibility to first-line antifungals. Echinocandin resistance in Candida glabrata is increasing in some settings. Candida auris has rapidly emerged as a global concern due to multidrug resistance and efficient nosocomial spread in healthcare settings. Azole-resistant Aspergillus fumigatus is already an important concern in some European countries and is increasingly reported elsewhere, possibly driven by agricultural use of triazole fungicides. Antifungal resistance is anticipated to expand among these and other common fungal pathogens. Culture-independent detection methods will become more important for rapid diagnosis and to guide empiric therapy. Antifungal stewardship is of critical importance to conserve our limited antifungal armamentarium for transplantation recipients and other vulnerable patients.
Insights
Antifungal resistance is rising in Candida and Aspergillus species, posing a significant threat to transplant recipients. Urgent antifungal stewardship is crucial to preserve treatment options for these vulnerable patients.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Antimicrobial Resistance
Background:
- Antifungal resistance in Candida and Aspergillus species is a growing global health concern.
- Transplantation recipients are particularly vulnerable to invasive fungal diseases due to their immunocompromised status.
Purpose of the Study:
- To review the current landscape of antifungal resistance in key fungal pathogens.
- To highlight the implications of antifungal resistance for vulnerable patient populations, especially transplant recipients.
Main Methods:
- Literature review focusing on recent findings in antifungal resistance.
- Analysis of emerging resistance patterns in Candida spp. and Aspergillus spp.
- Evaluation of diagnostic and therapeutic strategies.
Main Results:
- Invasive candidiasis is increasingly caused by non-albicans Candida species resistant to standard antifungals.
- Candida auris has emerged as a multidrug-resistant pathogen with significant healthcare-associated spread.
- Azole-resistant Aspergillus fumigatus is a growing concern, potentially linked to agricultural fungicide use.
- Antifungal resistance is projected to increase across common fungal pathogens.
Conclusions:
- Rapid diagnosis using culture-independent methods is essential for guiding therapy.
- Antifungal stewardship is critical to conserve existing treatments for immunocompromised individuals.
- Proactive strategies are needed to combat the rising threat of antifungal resistance in clinical settings.
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