Background: Nosocomial candidemia (NC) is associated with high mortality, increased hospital stay and greater economical cost.
Aims: To evaluate epidemiological and clinical aspects of 2 different cohorts of non-paediatric patients with NC.
Methods: A retrospective observational and comparative study of patients with NC. Patients were identified by review of results of blood cultures from the hospital microbiology laboratory. We analysed epidemiological, clinical, microbiological and laboratory data and changes in the 2 cohorts: 1993-1998 (P1) and from 2002 to 2005 (P2).
Results: Eighty patients were studied during P1 and 107 during P2; incidence was 9/10,000 in P1 and 15.8/10,000 admitted patients in P2 (p<0.05). Mean age was 52 years in P1 and 61 years in P2 (p<0.05); 66% and 49% NC were due to Candida albicans in P1 and P2, respectively (p<0.05); diabetes was present in 12% in P1 and in 25% in P2 (p<0.05). All of the patients had previously received at least one course of broad-spectrum antibiotics. A statistically significant difference (p<0.05) in predisposing conditions was identified in central intravenous line rate (100% in P1 and 91% in P2) and previous surgery (43% in P1 and 78% in P2). Acute severity of illness at onset and complications were more frequent in P2 (p<0.05). Mortality rate was similar in P1 and P2 (51% and 49.5%, respectively).
Conclusions: Frequency of NC has increased and non-albicans Candida is now more frequent than C. albicans. Although acute severity of illness at onset and complications are now more frequent, mortality remains the same.
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