Changes in In Vitro Susceptibility Patterns of Aspergillus to Triazoles and Correlation With Aspergillosis Outcome in a Tertiary Care Cancer Center, 1999-2015

  • Heo, S.T.
  • Tatara, A.M.
  • Jimenez-Ortigosa, C.
  • Jiang, Y.
  • Lewis, R.E.
  • Tarrand, J.
  • Tverdek, F.
  • Albert, N.D.
  • Verweij, P.E.
  • Meis, J.F.G.M.
  • Mikos, A.G.
  • Perlin, D.S.
  • Kontoyiannis, D.P.
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Publication date
January 2017
Publisher
Oxford University Press (OUP)
ISSN
1058-4838
Citation count (estimate)
10

Abstract

Item does not contain fulltextBackground: Azole-resistant aspergillosis in high-risk patients with hematological malignancy or hematopoietic stem cell transplantation (HSCT) is a cause of concern. Methods: We examined changes over time in triazole minimum inhibitory concentrations (MICs) of 290 sequential Aspergillus isolates recovered from respiratory sources during 1999-2002 (before introduction of the Aspergillus-potent triazoles voriconazole and posaconazole) and 2003-2015 at MD Anderson Cancer Center. We also tested for polymorphisms in ergosterol biosynthetic genes (cyp51A, erg3C, erg1) in the 37 Aspergillus fumigatus isolates isolated from both periods that had non-wild-type (WT) MICs. For the 107 patients with hematologic cancer and...

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