Cited by 139Antifungal resistance and susceptibilityYeasts and Rust Fungi StudiesFungal Infections and Studies

Antifungal susceptibility of invasive Candida bloodstream isolates from the Asia-Pacific region

Tan, Thean Yen, Hsu, Li Yang, Alejandria, Marissa M., Chaiwarith, Romanee, Chinniah, Terrence, Chayakulkeeree, Methee, Choudhury, Saugata, Chen, Yen Hsu +14 more·2016·Medical Mycology

Abstract

Bloodstream infections caused by Candida species are of increasing importance and associated with significant mortality. We performed a multi-centre prospective observational study to identify the species and antifungal susceptibilities of invasive bloodstream isolates of Candida species in the Asia-Pacific region. The study was carried out over a two year period, involving 13 centers from Brunei, Philippines, Singapore, South Korea, Taiwan, Thailand, and Vietnam. Identification of Candida species was performed at each study center, and reconfirmed at a central laboratory. Susceptibility testing was performed using a commercial broth dilution panel (Sensititre YeastOne YST-010, Thermofisher, United Kingdom) with susceptibility categorisation (S = susceptible, S-DD = susceptible dose-dependent) applied using breakpoints from the Clinical Laboratory Standards Institute. Eight hundred and sixty-one Candida isolates were included in the study. The most common species were C. albicans (35.9%), C. tropicalis (30.7%), C. parapsilosis (15.7%), and C. glabrata (13.6%). Non-albicans species exceeded C. albicans species in centers from all countries except Taiwan. Fluconazole susceptibility was almost universal for C. albicans (S = 99.7%) but lower for C. tropicalis (S = 75.8%, S-DD = 6.1%), C. glabrata (S-DD = 94.9%), and C. parapsilosis (S = 94.8%). Echinocandins demonstrated high rates of in vitro susceptibility (S>99%) against C. albicans, C. tropicalis, and C. parapsilosis This study demonstrates that non-albicans species are the most common isolates from bloodstream infections in most countries in the Asia-Pacific region, with C. tropicalis as the predominant species. Because of the prevalence of reduced susceptibility to fluconazole in non-albicans species, the study indicates that echinocandins should be the antifungal of choice in clinically unstable or high-risk patients with documented candidemia.

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  1. Pfaller MA, Espinel-Ingroff A, Canton E et al. Wild-type MIC distributions and epidemiological cutoff values for amphotericin B, flucytosine, and itraconazole and Candida spp. as determined by CLSI broth microdilution. J Clin Microbiol 2012; 50: 2040- 2046.

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Authors
Tan, T. Y., Hsu, L. Y., Alejandria, M. M., Chaiwarith, R., Chinniah, T., Chayakulkeeree, M., Choudhury, S., Chen, Y. H., Shin, J. H., Kiratisin, P., Mendoza, M., Prabhu, K., Supparatpinyo, K., Tan, A. L., Phan, X. T., Tran, T. T. N., Nguyen, G. B., Doan, M. P., Huynh, V. A., Nguyen, S. M. T., Tran, T. B., & Van Pham, H.
Affiliations
  • Changi General Hospital (SG)
  • National University Health System (SG)
  • Philippine General Hospital (PH)
  • Maharaj Nakorn Chiang Mai Hospital (TH)
  • Raja Isteri Pengiran Anak Saleha Hospital (BN)
  • Siriraj Hospital (TH)
  • Tan Tock Seng Hospital (SG)
  • National Yang Ming Chiao Tung University (TW)
  • Chonnam National University Hospital (KR)
  • National Kidney and Transplant Institute (PH)
  • Singapore General Hospital (SG)
  • Cho Ray Hospital (VN)
  • Bạch Mai Hospital (VN)
  • Bệnh viện Nhân dân Gia Định (VN)
Corresponding author
Tan, Thean Yen
Venue
Medical Mycology
Published
2016-02-11
Volume
54
Issue
5
Pages
471-477
ISSN
  • 0268-1218 (ISSN-L)
  • 1369-3786
  • 1460-2709
OpenAlex
W2338633945
Cited by
139
References
28
Citations by year
2026: 6 · 2025: 14 · 2024: 10 · 2023: 11 · 2022: 12 · 2021: 16 · 2020: 18 · 2019: 18 · 2018: 15 · 2017: 16 · 2016: 3
FWCI
16.01
Type
journal article
Language
en
Open access
closed
Locations
  • Medical Mycology (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Yeasts and Rust Fungi Studies
  • Health Sciences › Medicine › Epidemiology › Fungal Infections and Studies
Keywords
candidemia, antifungal susceptibility, fluconazole resistance, echinocandins, Candida albicans, Candida tropicalis, Candida parapsilosis, Candida glabrata, non-albicans Candida, Asia-Pacific region, species distribution
MeSH terms
Antifungal Agents, Asia, Southeastern, Candida, Humans, Microbial Sensitivity Tests, Prospective Studies, Prevalence, Candidemia

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