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Background Geotrichum spp has been recognized as an emergent pathogen that causes invasive infection in immunosuppressed hosts. There is no data in Latin America about invasive Geotrichum spp. infections. Our objective was to describe the epidemiology, clinical characteristics, and outcomes of patients with this infection. Methods We conducted a retrospective survey from 2001 to 2018, of all the Geotrichum spp. isolated from clinical samples at our institution. Data on demographic, clinical, laboratory findings, and imaging studies were obtained from medical records. All cases classified as proven or probable invasive fungal infections (IFI) according to the EORTC/MSG criteria were included. Isolates with unavailable clinical information were excluded. Descriptive analysis was made. Results We found 18 patients with a proven/probable Geotrichum spp. IFI. The mean age was 48.5 years and 55.5% were male. The most common predisposing condition was hematological malignancy (55.5%), autoimmune diseases (22.2%) and HIV, chronic granulomatous disease, and solid-organ malignancy in 1 case, respectively. Fifteen (83.3%) received immunosuppressors (cancer chemotherapy or steroids); 27.7% had neutropenia at the time of diagnosis. The most common clinical syndromes were lower respiratory tract infection and persistent fever (83.3%). Chest abnormalities were present in 15/16 CT scans, pulmonary nodules were the most common finding (62.5%). Geotrichum spp. was isolated from bronchoalveolar lavage, 77.7%; blood culture, 22.2%; and peritoneal dyalisis fluid, 5.6%. Seven patients were coinfected with other pathogens: 4 Aspergillus spp., 1 H. parainfluenzae, 1 P. aeruginosa, and 1 E. coli. Fifteen patients received antifungal treatment: 7 amphotericin B, 8 voriconazole, and 1 itraconazole. Among survivors (11), 72.7% received antifungal therapy at discharge: 4 voriconazole and 4 itraconazole. Three patients did not receive any antifungal: 1 was diagnosed postmortem and 2 were considered colonization (both were alive at 30 days). Overall mortality was 38.8%. Conclusion Eighteen cases of Geotrichum spp. were found. The majority had lower respiratory tract infection. Despite antifungal therapy 38.8% died. Geotrichum spp. should be recognized as an emerging pathogen in immunosuppressed hosts. Disclosures All authors: No reported disclosures.

1704. Geotrichum spp. Invasive Infection: Experience From a Third-Level Referral Center in Mexico