1.The value of different inflammatory indexes in early diagnosis of bacterial bloodstream infection in patients with malignant tumor
Darong ZHANG ; Guangli LUO ; Zilan LYU
International Journal of Laboratory Medicine 2017;38(18):2503-2505,2508
Objective To explore the value of procalcitonin,C-reactive protein and neutrophil percentage in early diagnosis of bacterial bloodstream infection in patients with malignant tumor.Methods Retrospectively analyzed the clinical data of 413 cases with tumor fever who were performed PCT,CRP,blood test and blood culture in the same day in our hospital from January to December in 2015.According to blood culture results,they were divided into observation group(211 cases) and control group(202 cases).The observation group was divided into Gram-negative(G-) group and Gram-positive(G+) group.The diagnostic efficacy of PCT,CRP and NEUT% on bacterial bloodstream infection was evaluated by receiver operating characteristic curve (ROC).Results The specificity of PCT in the observation group was the highest and the sensitivity of CRP was the highest.The levels of PCT,CRP and NEUT% in the observation group were significantly higher than those in the control group(P<0.05).PCT level in the G-group were apparently higher than that of G+ group(P<0.05),while CRP and NEUT% levels had no statistical significance between the two groups(P>0.05).According to ROC curve,In the observation group,The AUC of PCT,CRP and NEUT% were 0.848,0.796 and 0.718,respectively.In G-and G+ group,the AUC of PCT were 0.877 and 0.767,respectively.Conclusion PCT,CRP and NEUT% were significantly increased in the malignant patient with bloodstream infection,PCT has showed better diagnostic efficiency compared to CRP or NEUT% and better clinical value in distinguish between G-and G+ bacterial infection type.Combined detection of PCT,CRP,NEUT% can help for early diagnosing malignant tumor with bacterial bloodstream infection.
2.Correlation analysis between thrombelastography and conventional coagulation indexes in breast cancer patients
Zilan LYU ; Binlin WANG ; Bianqin GUO ; Yang ZHANG ; Lixiang WU
International Journal of Laboratory Medicine 2019;40(2):218-221
Objective To analyze the correlation between thrombelastography (TEG) and conventional coagulation indexes in breast cancer patients, and to compare the differences between the two methods in the detection of coagulation function in breast cancer patients.Methods Retrospectively analyzed the clinical data of180patients with breast cancer who were performed TEG, coagulation and blood test in the same day in our hospital from November 2016to May 2017.Linear correlation and regression analysis were performed among the parameters.The differences of positive rates of TEG parameters and conventional coagulation indexes were compared.Results The R value of TEG parameters of breast cancer patients was positively correlated with K and APTT, and negatively correlated withα-Angle, MA, CI, DD, FDPs.K was positively correlated with APTT and TT, and negatively correlated withα-Angle, MA, FIB, DD, FDPs and PLT.α-Angle was positively correlated with MA, CI, FIB, DD, FDPs and PLT.MA was positively correlated with CI, FIB, DD, FDPs and PLT.CI was positively correlated with FIB, DD, FDPs and PLT.α-Angle, MA and CI were all negatively correlated with APTT and TT, the difference were statistically significant (P<0.05).A linear regression equation of TEG parameters and coagulation indexes was obtained.There was no significant difference between TEG detection positive rate and conventional coagulation test (P>0.05).Conclusion There are significant correlation between the TEG parameters and routine coagulation or platelet, and the results are consistent.