Invasive aspergillosis in patients with acute myeloid leukemia: a SEIFEM-2008 registry study.

Haematologica 2010 Apr 22;95(4):644-50. Epub 2009 Oct 22.

M.D. Istituto di Ematologia, Università Cattolica del Sacro Cuore, Largo Francesco Vito, 1 I-00168 Roma, Italia.

Background: The aim of this study was to evaluate prognostic factors, treatments and outcome of invasive aspergillosis in patients with acute myeloid leukemia based on data collected in a registry.

Design And Methods: The registry, which was activated in 2004 and closed in 2007, collected data on patients with acute myeloid leukemia, admitted to 21 hematologic divisions in tertiary care centers or university hospitals in Italy, who developed proven or probable invasive aspergillosis.

Results: One hundred and forty cases of invasive aspergillosis were collected, with most cases occurring during the period of post-induction aplasia, the highest risk phase in acute myeloid leukemia. The mortality rate attributable to invasive aspergillosis was 27%, confirming previous reports of a downward trend in this rate. Univariate and multivariate analyses revealed that the stage of acute myeloid leukemia and the duration of, and recovery from, neutropenia were independent prognostic factors. We analyzed outcomes after treatment with the three most frequently used drugs (liposomal amphotericin B, caspofungin, voriconazole). No differences emerged in survival at day 120 or in the overall response rate which was 71%, ranging from 61% with caspofungin to 84% with voriconazole.

Conclusions: Our series confirms the downward trend in mortality rates reported in previous series, with all new drugs providing similar survival and response rates. Recovery from neutropenia and disease stage are crucial prognostic factors. Efficacious antifungal drugs bridge the period of maximum risk due to poor hematologic and immunological reconstitution.

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http://dx.doi.org/10.3324/haematol.2009.012054DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2857195PMC
April 2010
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