Introduction: Invasive fungal disease (IFD) is an important complication after solid organ transplantation (SOT). A marked geographic variation in the epidemiology of IFD after kidney transplantation (KT) has been suggested by the results of previous studies. Nevertheless, data from Latin American centers are scarce.
Objective: This study sought to describe the epidemiology of IFD at a Brazilian KT center.
Methods: This study was a retrospective single-center cohort study that included patients who underwent KT between 1998 and 2009 and were followed up until July 2015. Cases of simultaneous kidney-pancreas transplantation were excluded. The primary study outcome was the occurrence of proven or probable IFD.
Results: Among 908 KT recipients, 44 cases of IFD occurred in 42 patients (4.6%). Cryptococcus spp. infection, diagnosed in 16 cases (36.3%), was the leading cause of IFD, followed by histoplasmosis in 10 cases (22.7%) and invasive candidiasis in 10 (22.7%). Sporotrichosis, mucormycosis, invasive aspergillosis, pulmonary Cladophialophora sp. infection, trichosporonosis and Saccharomyces cerevisiae fungemia occurred in 1 recipient each (2.3%). Two additional (4.5%) cases of unspecified mold infections were identified by histopathological analysis. Most cases of IFD (67%) occurred later than 6 months after transplantation. Previous use of antilymphocyte antibodies (P = .008) and corticosteroid pulse therapy (P < .001) were more frequent among cases of IFD occurring within the first 6 months after transplantation.
Conclusions: The epidemiology of IFD in this Brazilian cohort was characterized by a large predominance of late infections and a high proportion of cases of cryptococcosis and histoplasmosis. These results highlight the considerable geographic variability of IFD epidemiology after KT.
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