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Catheter-related Aspergillus Fungemia: Case Report and Literature Review
Ishminder Kaur1, Annabelle de St Maurice
1Division of Infectious Diseases, Department of Pediatrics, University of California Los Angeles, CA.
Background:
Aspergillus fungemia is encountered infrequently in clinical practice, even in the setting of invasive and disseminated disease. Prolonged Aspergillus fungemia secondary to a central venous catheter is notably rarer.
Methods:
We describe the case of a 13-year-old boy with Aspergillus fungemia in the setting of a central venous catheter who was found to have pulmonary aspergillosis upon evaluation. We reviewed the literature for published cases of catheter-related Aspergillus fungemia and summarized the findings. We also sought to differentiate true fungemia from pseudofungemia and explored the clinical significance of aspergillemia.
Results:
We found 6 published cases of catheter-related Aspergillus fungemia in addition to the 1 discussed in this report. Based on the review of case findings, we propose an algorithm for an approach to a patient with a positive blood culture for Aspergillus spp.
Conclusions:
True aspergillemia is infrequent even in the setting of disseminated aspergillosis among immunocompromised patients and the presence of aspergillemia does not necessarily portend more severe clinical disease course. The management of aspergillemia should involve a determination of the possibility of contamination, and if deemed genuine, a thorough workup to define the extent of the disease process. Treatment durations should be based on tissue sites of involvement and could be shorter in the absence of tissue-invasive disease.
