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[Hansenula anomala fungemia]
1Laboratorio de Micología, Hospital Interzonal General de Agudos (HIGA) San Martín, Cátedra de Micología y Parasitología, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, La Plata, Argentina. nemes@netverk.com.ar
Abstract:
We communicate 5 episodes of fungemia produced by Hansenula anomala (Candida pelliculosa) in 4 adult patients and 1 preterm newborn admitted in different wards of the HIGA San Martín of La Plata City during a 13 month period. The isolates were achieved by culture of blood obtained by venipuncture (5/5) and from catheter (2/5) and were processed with BacTAlert system and lysis-centrifugation method. API 32 C system achieved the identification of the isolated yeasts. Among the patients, treatments with antibiotics (5/5) and corticoids (2/5), catheters (3/5), previous surgical procedures and surgical wounds (2/5), prematurely (1/5) and neutropenia (1/5) were present as predisposing factors of fungemia. Three out of the 5 episodes evolved favorably and the remaining 2 patients died in spite of the antifungal treatment. The diagnosis of 4 out of 5 cases in a brief lapse (3 months), and 2 simultaneously in 2 different wards, as well as the lack of other isolates of H. anomala in our Hospital, before and after of the studied period, suggests the possibility of an outbreak. We claim that H. anomala is an emergent fungal pathogen that must be taken into account as etiological agent of fungemia, fundamentally in patients with different predisposing factors.
Insights
Hansenula anomala (Candida pelliculosa) caused five fungemia episodes in hospitalized patients. This yeast is an emerging pathogen, particularly in immunocompromised individuals, necessitating increased clinical awareness.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Clinical Microbiology
Context:
- Reports five episodes of fungemia caused by Hansenula anomala (Candida pelliculosa) in a single hospital over 13 months.
- Identifies risk factors including antibiotic/corticoid use, catheters, surgery, and prematurity.
- Highlights the potential for nosocomial outbreaks due to simultaneous cases in different wards.
Purpose:
- To report and characterize fungemia episodes caused by Hansenula anomala.
- To assess the clinical significance and predisposing factors associated with H. anomala fungemia.
- To raise awareness of H. anomala as an emergent fungal pathogen in clinical settings.
Summary:
- Five fungemia cases were identified in four adults and one preterm infant.
- Blood cultures processed via BacTAlert and lysis-centrifugation, with API 32 C for identification.
- Two of five patients died despite antifungal treatment, suggesting high-risk patient populations.
Impact:
- Suggests Hansenula anomala is an emerging fungal pathogen causing fungemia.
- Emphasizes the need to consider H. anomala in patients with predisposing factors.
- Highlights the potential for hospital-acquired outbreaks of this yeast infection.
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