EB病毒抗体、异型淋巴细胞检测对儿童传染性单核细胞增多症的诊断价值
Diagnostic value of EBV antibodies and heterotypic lymphocytes in children with infectious mononucleosis
Objective To investigate the diagnostic value of Epstein-Barr virus antibodies and atypical lymphocytes in pediatric infectious mononucleosis (IM), and to provide evidence to support clinical treatment decisions. Methods Fifty children with IM treated in the Second People's Hospital of Wuhu between July 2020 and December 2022 were included in the observation group, and 40 healthy individuals undergoing routine physical examination at the same hospital during the same period were enrolled as the control group. The percentage of atypical lymphocytes and lymphocyte subsets was determined by morphological analysis of peripheral blood smears. Serum Epstein-Barr virus IgM antibodies were measured using chemiluminescence immunoassay, and white blood cell counts were obtained through blood routine examination. Receiver operating characteristic (ROC) curve was used to analyze the value of Epstein-Barr virus antibodies and atypical lymphocytes in the diagnosis of infectious mononucleosis in children. Results The percentage of atypical lymphocytes, levels of Epstein-Barr virus antibodies, percentage of CD3+ cells, percentage of CD8+ cells, and white blood cell counts in the observation group were significantly higher than those in the control group (P < 0.05), while the percentage of CD4+ cells and the CD4+/CD8+ ratio in the observation group were significantly lower than those in the control group (P < 0.05). The ROC curve analysis revealed that the sensitivities of atypical lymphocyte percentage and Epstein-Barr virus antibody detection in diagnosing pediatric IM were 82.4% (95% CI: 0.772, 0.872) and 80.0% (95% CI: 0.711, 0.891), respectively, while their specificities reached 100.0% (95% CI: 0.962, 1.000) and 90.4% (95% CI: 0.863, 0.944), respectively. Both indicators demonstrated high diagnostic value for IM. Conclusion The percentage of atypical lymphocytes and Epstein-Barr virus antibody detection can assist in the diagnosis of pediatric IM and may serve as primary clinical diagnostic indicators.
传染性单核细胞增多症 / EB病毒 / 异型淋巴细胞 / 诊断
infectious mononucleosis / Epstein-Barr virus / atypical lymphocytes / diagnosis
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安徽省自然科学基金(2208085QH241)
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