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Chinese Journal of Mycology 2012, Vol. 7  Issue (3): 132-135.

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Detection of (1,3)-β-D-Glucan and Galactomannan for diagnosis of invasive fungal disease

ZHENG Gang1, YU Jin1, LI Xue-ying2, WAN Zhe1, LI Ruo-yu1   

  1. Department of Dermatology and Venereology,Peking University First Hospital,Peking University Research Center for Medical Mycology,Beijing,100034,China
  • Received:2011-11-26 Online:2012-06-28 Published:2012-06-28

Abstract: Objective To evaluate the non-culture diagnostic methods for diagnosis of invasive fungal disease (IFD).Methods A retrospective study was performed on hospitalized patients of Peking University First Hospital who were at risk of IFD. The diagnosis of invasive fungal infection was according to revised definitions. Non-culture methods including galactomannan emzyme immunoassay (GM test)and (1,3)-β-D-glucan assay (G test) were analysed of sensitivity, specificity, and concordance rate, respectively. Two tests were combined to evaluate the changes of sensitivity, specificity, and concordance rate.Results The sensitivity and specificity were 70%, 84% in GM test; 50%, 92% in G test; and 93%, 78% in combined utility of two tests.Conclusions The GM test and G test were both useful in diagnosis of IFD. The better sensitivity and concordance rate might be acquired by combining these two tests.

Key words: IFD, diagnosis, galactomannan,(1,3)-β-D-glucan

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