[Candidemia combined with bacterial bloodstream infection: analysis of clinical features and associated risk factors].

Zhonghua Jie He He Hu Xi Za Zhi

Department of Respiratory Medicine,Beijing Tongren Hospital, Capital Medical University, Beijing 100730, China.

Published: February 2014

Objective: To investigate the clinical characteristics of and risk factors for candidemia combined with bacterial bloodstream infection(BSI) by retrospective analysis of cases.

Method: The clinical data of cases diagnosed as candidemia combined with BSI confirmed by blood culture were compared with those of cases with mono-candidemia in Beiing Tongren Hospital from January 2009 to December 2011. A logistic regression analysis was performed to investigate the independent risk factors.

Results: Forty-two cases diagnosed as candidemia were analyzed including 14 cases of candidemia combined with BSI and 28 cases of mono-candidemia. Ten strains of gram-positive cocci and 4 strains of gram-negative bacilli were isolated from candidemia combined with BSI group.Six strains of C.albicans, 4 strains of C.glabrata, 3 strains of C.tropicalis and 1 strain of C.krosei were isolated. There was no C.parapsilosis isolated from candidemia combined with BSI group but 9 strains in the mono-candidemia group. The septic shock rate of the candidemia combined with BSI group was higher than that of the mono-candidemia group (12/14 vs 7/28, P = 0.000). The mortality rate of the candidemia combined with BSI group was higher than that of the mono-candidemia group (10/14 vs 15/28), but the difference did not reach statistical significance (P = 0.266).Four factors were found statistically different by univariate analysis, including hospitalization more than 4 weeks (P = 0.001), bacteremia before candidemia(P = 0.005), hematological tumor (P = 0.01) and abdominal infection (P = 0.001). Multivariate analysis showed that hospitalization more than 4 weeks was the independent risk factor.

Conclusion: Gram-positive cocci were the predominant species and septic shock was more common in candidemia combined with BSI. Hospitalization more than 4 weeks was the independent risk factor for candidemia combined with BSI.

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