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Improvement of Method for Detecting Peripheral Blood Neutrophil CD64 Index in Patients with Hematologic Malignancies / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 1291-1296, 2019.
Article in Chinese | WPRIM | ID: wpr-775726
ABSTRACT
OBJECTIVE@#To improve the method for detecting the neutrophil CD64 (nCD64) index and to enhance the detection rate and accuracy of nCD64 index in patients with hematologic malignancies.@*METHODS@#The nCD64 index in peripheral blood of patients with hematologic malignancies combined with suspicious bacterial infection (255 cases-time) was detected by using array method. When the detection of nCD64 index in samples was interfered with abnormal cells in detection process of enrolled patients, the antibodies CD45, CD15 and CD10 were added into samples on the basis of routine detection by using the primary detection kit, in order to more accurately distinguish the neutrphils and obtain the nCD64 index. The nCD64 index as well as the efficiency of nCD64 index, PCT and CRP for diagnosis of sepsis before and after the improvement of deteation method were compared.@*RESULTS@#The samples of 60 cases were interfered with abnormal cells in detection process, out of which the samples of 18 cases failed in detection, but these samples of 18 cases all got the effective results of detection after the detection method was improved. The detection showed that the nCD64 index before and after the improvement as well as the PCT and CRP levels in sepsis group were higher than those in non-sepsis group(P<0.05). After improvement of method, the efficiency of nCD64 index for diagnosis of sepsis was suprior to the PCT and CRP, the nCD64 index obtained after the improvement of method possessed the diagnosis efficiency same as the efficiency obtained before improvement of method, moreover the detection results were more reliable.@*CONCLUSION@#For the samples of patients with hematologic malignancies interfered with abnormal cells in the process of detecting the nCD64 index, the corresponding antibodies are added into detected samples according to the kinds of hemotologic diseases of patients, in order to more accurately gate the neutrophils in paripheral blood of patients, there by the detection rate and accuracy for detecting the nCD64 index are enhanced by accurately distinguishing the neutrophils.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: C-Reactive Protein / Biomarkers / Receptors, IgG / Sepsis / Hematologic Neoplasms / Neutrophils Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: C-Reactive Protein / Biomarkers / Receptors, IgG / Sepsis / Hematologic Neoplasms / Neutrophils Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2019 Type: Article