scholarly journals Multicenter evaluation of the reproducibility of the proposed antifungal susceptibility testing method for fermentative yeasts of the Antifungal Susceptibility Testing Subcommittee of the European Committee on Antimicrobial Susceptibility Testing (AFST-EUCAST)

2003 ◽  
Vol 9 (6) ◽  
pp. 467-474 ◽  
Author(s):  
M. Cuenca-Estrella ◽  
C.B. Moore ◽  
F. Barchiesi ◽  
J. Bille ◽  
E. Chryssanthou ◽  
...  
2015 ◽  
Vol 59 (6) ◽  
pp. 3663-3665 ◽  
Author(s):  
Rita Caramalho ◽  
Elisabeth Maurer ◽  
Ulrike Binder ◽  
Ricardo Araújo ◽  
Somayeh Dolatabadi ◽  
...  

ABSTRACTAmphotericin B and posaconazole susceptibility patterns were determined for the most prevalent Mucorales, following EUCAST (European Committee on Antimicrobial Susceptibility Testing) broth microdilution guidelines. In parallel, Etest was performed and evaluated against EUCAST. The overall agreement of MICs gained with Etest and EUCAST was 75.1%; therefore, Etest cannot be recommended for antifungal susceptibility testing of Mucorales. Amphotericin B was the most active drug against Mucorales speciesin vitro, while the activities of posaconazole were more restricted.


2019 ◽  
Vol 57 (7) ◽  
Author(s):  
Romney M. Humphries

ABSTRACT The Clinical and Laboratory Standards Institute and European Committee on Antimicrobial Susceptibility Testing agree that carbapenemase testing is not necessary for clinical care, provided that the laboratory is up to date with current breakpoints. Nonetheless, publication on the development and modification of carbapenemase tests continues, as is the case in this issue of the Journal of Clinical Microbiology (R. W. Beresford and M. Maley, J Clin Microbiol 57:e01852-18, 2019, https://doi.org/10.1128/JCM.01852-18). This commentary explores modifications to the carbapenem inactivation method—but is this the right focus for clinical laboratories?


2019 ◽  
Vol 57 (9) ◽  
Author(s):  
Gunnar Kahlmeter ◽  
Christian G. Giske ◽  
Thomas J. Kirn ◽  
Susan E. Sharp

INTRODUCTION Antibiotic susceptibility test results are among the most important results issued by clinical microbiology laboratories because they routinely guide critical treatment decisions. Interpretations of MIC or disk diffusion test results, such as “susceptible” or “resistant,” are easily understood. Clinical laboratories also need to determine whether and how their reports will reflect more complex situations. Such situations include, first, whether there is need to administer higher or more frequent doses of antibiotic than usual for clinical efficacy; second, whether an antimicrobial is likely to be effective at a body site where it concentrates; and third, whether there is some uncertainty in the test results due to technical variability that cannot be eliminated. Two leading organizations that set standards for antimicrobial susceptibility testing, the European Committee on Antimicrobial Susceptibility Testing (EUCAST) and the Clinical and Laboratory Standards Institute (CLSI), have taken different strategies to deal with these challenges. In this Point-Counterpoint, Gunnar Kahlmeter and Christian Giske discuss how EUCAST is addressing these issues, and Thomas Kirn and Susan Sharp discuss the CLSI approach.


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