Abstract:
Background:Trichosporonosis is an emerging and often fatal opportunistic fungal infection in immunocompromised patients, particularly those with hematologic malignancy, but data in children are lacking. Methods:We report here 3 cases of invasive infection caused by Trichosporon asahii in pediatric patients with acute lymphoblastic leukemia at Texas Children's Hospital in Houston, Texas. We also conducted a literature review and identified 16 additional reports of pediatric patients with invasive T asahii infection and an underlying malignant or nonmalignant hematologic disorder. Results:Of the 19 cases of invasive T asahii infection, the most commonly reported underlying hematologic disorder was acute lymphoblastic leukenia (47%), followed by acute myelogenous leukemia (21%). Most of the patients (94%) had neutropenia, defined as an absolute neutrophil count of <500 cells/mm3. Antifungal prophylaxis information was available in 6 of the 19 cases, and micafungin use was reported in 5 cases. Treatment regimens frequently included voriconazole monotherapy (47%) or the combination of an azole antifungal with amphotericin B (35%). The mortality rate was 58%. Conclusions:Recognizing that echinocandins, which are increasingly used for prophylaxis in patients with a hematologic malignancy, are not active against Trichosporon species is of critical importance. The recommended first-line therapy for trichosporonosis is voriconazole, but successful outcome depends largely on the underlying immune status of the host.
journal_name
J Pediatric Infect Dis Socjournal_title
Journal of the Pediatric Infectious Diseases Societyauthors
Foster CE,Edwards MS,Brackett J,Schady DA,Healy CM,Baker CJdoi
10.1093/jpids/pix031subject
Has Abstractpub_date
2018-08-17 00:00:00pages
199-204issue
3eissn
2048-7193issn
2048-7207pii
3828455journal_volume
7pub_type
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