Frequency and Evolution of Azole Resistance in Aspergillus fumigatus Associated with Treatment Failure1
Susan J. Howard, Dasa Cerar, Michael J. Anderson, Ahmed Albarrag, Matthew C. Fisher, Alessandro C. Pasqualotto, Michel Laverdiere, Maiken C. Arendrup, David S. Perlin, and David W. Denning
Author affiliations: Regional Mycology Laboratory, Manchester, UK (S.J. Howard, D.W. Denning); University of Manchester, Manchester Academic Health Science Centre, Manchester (S.J. Howard, M.J. Anderson, A. Albarrag, D.W. Denning); University Medical Centre, Ljubljana, Slovenia (D. Cerar); Imperial College, London, UK (M.C. Fisher); Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil (A.C. Pasqualotto); Hôpital Maisonneuve-Rosemont, Montreal, Québec, Canada (M. Laverdiere); Statens Serum Institut, Copenhagen, Denmark (M.C. Ardendrup); Public Health Research Institute, Newark, NJ, USA (D.S. Perlin)
Figure 1. Azole resistance in clinical Aspergillus fumigatus isolates received in the Regional Mycology Laboratory Manchester, UK, 1997–2007. Overall azole resistance for each year is shown above each column as a percentage. Data do not include sequential isolates from the same patient.
1These data were presented in part at the 2nd Advances Against Aspergillosis meeting, February 22–26, 2006, Athens, Greece; and 46th Interscience Conference on Antimicrobial Agents and Chemotherapy, September 27–30, 2006, San Francisco, CA, USA.
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