Early Predictive Value of Lymphocyte Subsets for Cognitive Dysfunction in Cerebral Ischemia-reperfusion Injury
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摘要:
目的 探讨淋巴细胞亚群对脑缺血再灌注损伤认知功能障碍的早期预测价值。 方法 将2023年1月-2023年12月昆明医科大学附属红河医院收治的68例脑缺血患者进行研究,分为观察组(n = 30)例和对照组(n = 38)例。比较一般情况、淋巴细胞亚群检测结果及蒙特利尔认知评估(Montreal cognitive assessment,MoCA)评分差异,分析其相关性、灵敏度、特异度。 结果 观察组既往糖尿病史占比高于对照组(P < 0.05),CD3+、CD8+及MoCA评分均低于对照组(P < 0.05),CD4+、CD4+/CD8+、NK、CD19+均高于对照组(P < 0.05);CD3+、CD8+与MoCA评分呈正相关(P < 0.05);CD4+、CD4+/CD8+、NK、CD19+与MoCA评分呈负相关(P < 0.05);淋巴细胞亚群联合检测对脑缺血再灌注损伤认知功能障碍诊断的灵敏度为93.45%,特异度100.00%。 结论 淋巴细胞亚群检测对脑缺血再灌注损伤认知功能障碍的发生有较好的预测价值,可作为特异性标志物。 Abstract:Objective To explore the early predictive value of lymphocyte subsets for cognitive impairment in cerebral ischemia-reperfusion injury. Methods A study was conducted on 68 patients with cerebral ischemia admitted to Honghe Hospital affiliated to Kunming Medical University from January 2023 to December 2023, divided into observation group (n = 30) and control group (n = 38).The general situation, lymphocyte subsets detection results and Montreal Cognitive Assessment Scale (MoCA) score were compared. Their correlation, sensitivity, specificity were analyzed. Results The proportion of patients with diabetes and levels of CD3+, CD8+ and MoCA score in the observation group were lower than those in the control group (P < 0.05), the levels of CD4+, CD4+/CD8+, NK and CD19+ in the observation group were higher than those in the control group (P < 0.05); CD3+ and CD8+ were positively correlated with MoCA score (P < 0.05); CD4+, CD4+/CD8+, NK and CD19+ were negatively correlated with MoCA score (P < 0.05). The sensitivity and specificity of lymphocyte subsets combined detection for the diagnosis of cognitive dysfunction in cerebral ischemia-reperfusion injury were 93.45% and 100.00%, respectively. Conclusion The lymphocyte subsets have good predictive value for the occurrence of cognitive dysfunction in cerebral ischemia-reperfusion injury. It can be used as a specific marker. -
Key words:
- Cerebral ischemia /
- Reperfusion injury /
- Cognitive dysfunction /
- Lymphocyte subsets
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表 1 2组一般资料、淋巴细胞亚群检测结果及MoCA评分的比较($ \bar x \pm s $)
Table 1. Comparison of general information lymphocyte subset detection results and MoCA scores between two groups($ \bar x \pm s $)
项目 观察组(n=30) 对照组(n=38) χ2/Z/t P 男 18(60.00) 22(57.89) 0.031 0.854 女 12(40.00) 16(42.11) 0.031 0.854 年龄(岁) 61.44±6.35 60.75±6.48 0.797 0.215 BMI(kg/m2) 24.12±2.61 24.23±2.58 0.312 0.681 小学及以下 9(30.00) 12(31.58) 0.037 0.964 中学 10(33.33) 13(34.21) 0.037 0.964 高中及以上 11(36.67) 13(34.21) 0.037 0.964 糖尿病 9(30.00) 6(15.79) 4.541 0.031* 高血压 19(63.33) 21(55.26) 0.587 0.443 冠心病 17(56.67) 16(42.11) 2.053 0.154 抽烟 16(53.33) 18(47.37) 0.281 0.592 饮酒 16(53.33) 21(55.26) 0.065 0.794 CD3+(%) 8.41±2.16 22.74±3.63 48.752 <0.001* CD4+(%) 48.33±5.10 42.15±4.42 8.905 <0.001* CD8+(%) 22.74±3.63 28.65±±3.15 11.964 <0.001* CD4+/CD8+ 1.86±0.33 1.53±0.31 7.348 0.007* NK(%) 20.04±5.02 13.63±4.10 9.383 <0.001* CD19+(%) 10.76±3.12 8.91±2.23 4.357 0.014 MoCA评分 16.41±3.06 27.62±1.53 26.920 <0.001* * P < 0.05,受教育程度:小学及以下,中学,高中及以上。既往病史:糖尿病,高血压,冠心病。不良习惯:抽烟,饮酒。 表 2 淋巴细胞亚群与MoCA评分的相关性(r,P)
Table 2. The correlation between lymphocyte subsets and MoCA score(r,P)
指标 r P CD3+(%) 0.296 <0.01* CD4+(%) −0.473 <0.01* CD8+(%) 0.394 <0.01* CD4+/CD8+ −0.887 <0.01* NK(%) −0.353 <0.01* CD19+(%) −0.348 <0.01* *P < 0.05。 表 3 CD3+、CD4+、CD8+、NK+、CD19+以及CD4+/CD8+联合检测对脑缺血再灌注损伤认知功能障碍的诊断效能分析(SE,SP)
Table 3. Diagnostic efficacy analysis of CD3+,CD4+,CD8+,NK+,CD19+ and CD4+/CD8+ combined detection for cognitive impairment in cerebral ischemia-reperfusion injury(SE,SP)
诊断方法 准确率(%) 灵敏度(%) 特异度(%) 阳性预测值(%) 阴性预测值(%) CD3+(%) 74.40 49.56 84.98 64.53 79.01 CD4+(%) 61.43 23.76 86.21 43.25 66.72 CD8+(%) 70.67 73.54 71.46 55.42 81.95 CD4+/CD8+ 46.01 49.92 42.78 31.36 60.96 CD19+(%) 82.17 55.43 100.00 100.00 79.52 NK细胞(%) 85.77 62.41 100.00 100.00 82.83 联合检测 96.70 93.45 100.00 100.00 95.21 表 4 ROC曲线分析(AUC)
Table 4. ROC curve analysis(AUC)
诊断方法 β 标准误 Waldχ2 AUC AUC(95%CI) P CD3+(%) 1.674 10.983 1.832 0.725 0.724-0.856 <0.001* CD4+(%) 0.956 9.462 0.955 0.762 0.646-0.821 <0.001* CD8+(%) 0.851 4.357 8.352 0.775 0.742-0.848 <0.001* CD4+/CD8+ 0.572 3.925 5.823 0.648 0.821-0.954 <0.001* CD19+(%) 0.674 2.357 6.834 0.624 0.625-0.921 <0.001* NK细胞(%) 0.218 0.019 57.84 0.779 0.765-0.845 <0.001* 联合检测 0.472 1.032 4.463 0.798 0.743-0.861 <0.001* *P < 0.001 -
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