Invasive candidosis is the most common invasive fungal infection in hospitalized patients and is associated with a high mortality rate. This is the first study from a Croatian tertiary care hospital describing epidemiology, risk factors and species distribution in patients with candidemia. A three-year retrospective observational study, from 2018 to 2020, was performed at the University Hospital Centre Zagreb, Zagreb, Croatia. A total of 160 patients with candidemia (n = 170 isolates) were enrolled. Candidemia incidence increased from 0.47 to 0.69 per 1000 admissions in 2018 and 2020, respectively. Ninety-five patients (58.38%) were in the intensive care unit. The main risk factors for candidemia were central venous catheter (CVC) (84.38%), previous surgical procedure (56.88%) and invasive mechanical ventilation (42.50%). Candida albicans was identified in 43.53% of isolates, followed by C. parapsilosis (31.76%) and C. glabrata (12.36%), C. krusei (5.29%), C. tropicalis (2.35%) and C. lusitaniae (2.35%). The study discovered a shift to non-albicansCandida species, particularly C. parapsilosis, and made it possible to determine the main tasks we should focus on to prevent candidemia in the hospital, these being mainly infection control measures directed towards prevention of catheter-related bloodstream infections, specifically comprising hand hygiene and CVC bundles of care. The potential benefit of fluconazole prophylaxis in certain populations of surgical patients could also be considered.
The aim of this study was to determine the incidence of fungal infections detected on autopsy in a group of 40 patients with hematologic malignancies treated with intensive chemotherapy or bone marrow transplantation, and to evaluate the risk factors for fungal infections. A control group included 38 patients with nonhematologic diseases and without granulocytopenia but with at least one of the known risk factors for fungal infections. Standard histopathological and microbiological methods were used. A higher incidence of invasive fungal infections was found in patients with hematologic malignancies as compared to the control group (p < 0.01). The predominant causes of fungal infections were Candida albicans and Aspergillus spp. The incidence of fungal infections caused by Aspergillus was higher (p < 0.05) in patients with hematologic malignancies than in the control group. The independent risk factors for fungal infections were fungal colonization, number of antibiotics and duration of antibiotic therapy, duration of fever and skin rash. A higher proportion of fungal infections was diagnosed on autopsy than during the patients' life (p < 0.01).
During a 5-month period, Hansenula anomala (H. anomala), an opportunistic fungus, caused an outbreak of infections in eight adult patients treated at a surgical intensive care unit (ICU). The source of the infections and route of transmission could not be identified. A case-control study included 32 patients treated simultaneously at the surgical ICU. Univariate analysis pointed to the following significant risk factors: blood alkalosis, reduced urea, duration of hospitalization, bacteremia and colonization with Pseudomonas aeruginosa, and an APACHE II score >17 (during bacteremia or fungemia). The stepwise logistic regression multivariate analysis showed only the duration of blood alkalosis to be significant in case patients.
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