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J Microbiol Immunol Infect. 2014 Apr;47(2):95-103. doi: 10.1016/j.jmii.2012.08.025. Epub 2012 Oct 11.

Comparison of epidemiology and treatment outcome of patients with candidemia at a teaching hospital in Northern Taiwan, in 2002 and 2010.

Author information

1
Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Center for Infection Control, National Taiwan University Hospital, Taipei, Taiwan.
2
Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Medicine, National Taiwan University, College of Medicine, Taipei, Taiwan; Medical Information Management Office, National Taiwan University Hospital, Taipei, Taiwan.
3
Department of Pharmacy, National Taiwan University Hospital, Taipei, Taiwan.
4
Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan.
5
Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Center for Infection Control, National Taiwan University Hospital, Taipei, Taiwan; Department of Medicine, National Taiwan University, College of Medicine, Taipei, Taiwan.
6
Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Center for Infection Control, National Taiwan University Hospital, Taipei, Taiwan; Department of Medicine, National Taiwan University, College of Medicine, Taipei, Taiwan. Electronic address: yeechunchen@gmail.com.

Abstract

BACKGROUND:

The incidence of candidemia varied between hospitals and different study periods. Few, if any, studies provide the reasons. This hospital-based population study aimed to describe and compare the patient population hospitalized in 2002 and 2010 and determine the disease-specific incidences of candidemia and evaluate the impact of time to initiate antifungal therapy on 30-day mortality.

PATIENTS AND METHODS:

All patients hospitalized at a 2300-bed teaching hospital in Taiwan in 2002 and 2010 were analyzed for the distribution of age, sex, and type of underlying diseases (maximum of six diagnoses). All patients with blood isolates that were collected in 2002 and 2010 and yielded Candida species were included for analysis of the demographic and clinical characteristics, distribution of Candida species, length of hospital stay before candidemia, stay in the intensive care units at onset of candidemia, time of initiating systemic antifungal agent, antifungal regimen, and 30-day crude mortality.

RESULTS:

In 2010, the hospitalized patients were older (p < 0.001), had a higher Charlson Comorbidity Index (p < 0.001), and more underlying disease/status, including chronic pulmonary diseases, moderate-to-severe renal diseases, leukemia, lymphoma, and gastrointestinal malignancies (p < 0.001) than those seen in 2002. Multivariate analysis identified the following host factors were associated with the occurrence of candidemia in 2010: neonate (adjust odds ratio [OR], 3.67), 45-64 year (OR, 2.18) and the elderly (OR 2.64), compared with young adult (20-44 year); patients with moderate-to-severe renal diseases (OR, 8.08), leukemia (OR, 4.58) and lymphoma (OR 3.98) and gastrointestinal malignancies (OR 2.80). The incidence density of candidemia was 0.34 and 0.41 per 1000 patient-days in 2002 and 2010, respectively (p = 0.04). The majority of characteristics of patients with candidemia and disease-specific incidences of candidemia did not differ between 2002 and 2010. Despite more patients in 2010 receiving antifungal therapy on the same day or 1 day after onset (27.5% vs. 41.2%, respectively, p = 0.002), the 30-day mortality remained high (45.9% in 2002 and 44.4% in 2010). Moreover, time to initiate antifungal therapy had no impact on 30-day mortality.

CONCLUSION:

This hospital-based population study demonstrated that the incidence density of candidemia was high and increased in 2010 compared with 2002, which was at least in part due to the increase in the proportion of patients at a higher risk of candidemia. Although antifungal therapy was initiated earlier in 2010, the 30-day mortality remained high.

KEYWORDS:

Candidemia; Disease severity; Epidemiology; Outcome; Surveillance

PMID:
23063082
DOI:
10.1016/j.jmii.2012.08.025
[Indexed for MEDLINE]
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