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中华脑血管病杂志(电子版) ›› 2025, Vol. 19 ›› Issue (01) : 13 -18. doi: 10.3877/cma.j.issn.1673-9248.2025.01.003

论著

术前外周血炎症指标对颈动脉支架置入术后同侧新发无症状缺血性脑损伤的预测价值
杨毅1, 申珅1, 万孟夏1, 张拥波1,()   
  1. 1. 100050 首都医科大学附属北京友谊医院神经内科
  • 收稿日期:2024-09-27 出版日期:2025-02-01
  • 通信作者: 张拥波
  • 基金资助:
    国家自然科学基金资助项目(81671191)

Prognostic value of preoperative peripheral blood inflammatory makers for carotid artery stenting ipsilateral new silence ischemic brain lesions

Yi Yang1, Shen Shen1, Mengxia Wan1, Yongbo Zhang1,()   

  1. 1. Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
  • Received:2024-09-27 Published:2025-02-01
  • Corresponding author: Yongbo Zhang
引用本文:

杨毅, 申珅, 万孟夏, 张拥波. 术前外周血炎症指标对颈动脉支架置入术后同侧新发无症状缺血性脑损伤的预测价值[J/OL]. 中华脑血管病杂志(电子版), 2025, 19(01): 13-18.

Yi Yang, Shen Shen, Mengxia Wan, Yongbo Zhang. Prognostic value of preoperative peripheral blood inflammatory makers for carotid artery stenting ipsilateral new silence ischemic brain lesions[J/OL]. Chinese Journal of Cerebrovascular Diseases(Electronic Edition), 2025, 19(01): 13-18.

目的

探讨术前外周血炎症指标对颈动脉支架置入术(CAS)后同侧新发无症状缺血性脑损伤(INSIBL)的预测价值。

方法

回顾性分析2018年10月至2021年2月首都医科大学附属北京友谊医院行CAS的患者89例,根据是否存在INSIBL,分为INSIBL组40例和non-INSIBL组49例,收集患者基线资料、实验室检查及影像学检查指标,计算外周血中性粒细胞与淋巴细胞比值(NLR)和衍生中性粒细胞与淋巴细胞比值(dNLR),NLR和dNLR可反映全身炎症状态,利用独立样本t检验、χ2检验或秩和检验比较INSIBL组和non-INSIBL组上述资料的差异,采用多因素Logistic回归探索CAS术后INSIBL的影响因素,应用受试者操作特征(ROC)曲线评价NLR、dNLR对CAS后INSIBL的预测价值。

结果

(1)INSIBL组患者入院时收缩压高于non-INSIBL组[(145.1±19.7)mmHg vs(139.2±18.7)mmHg],差异具有统计学意义(t=4.434,P=0.046);(2)INSIBL组淋巴细胞计数低于non-INSIBL组[1.26(0.92,1.37)×109/L vs 1.63(1.41,1.99)×109/L],差异具有统计学意义(Z=7.921,P=0.010];INSIBL组NLR及dNLR高于non-INSIBL组[4.80(1.98,7.77)vs 2.38(1.57,3.70);3.50(1.65,5.35)vs 1.62(1.00,2.50)],差异具有统计学意义(Z=13.357、12.885,P均<0.001)。(3)多因素Logistic回归分析结果提示NLR[校正OR=1.774,95%CI:1.487~2.132,P=0.001]、dNLR[校正OR=1.828,95%CI:1.487~2.485,P<0.001]是CAS后INSIBL的独立影响因素;(4)ROC曲线分析提示,NLR预测CAS后INSIBL的曲线下面积(AUC)为0.72[95%CI:0.62~0.83,P<0.001],NLR的截断值为4.52,敏感度为75.0%,特异度为65.3%;dNLR预测CAS后INSIBL的AUC为0.70[95%CI:0.59~0.81,P=0.001],dNLR的截断值为2.87,敏感度为70.0%,特异度为63.3%。

结论

NLR和dNLR是CAS后INSIBL的独立影响因素,其中NLR对CAS术后INSIBL的预测价值更高。

Objective

To investigate the value of peripheral blood inflammatory makers in predicting ipsilateral new silent ischemic brain lesions (INSIBL) following carotid artery stenting (CAS).

Methods

A retrospective study was conducted to analyze the clinical data of 89 patients with CAS in Beijing Friendship Hospital, Capital Medice Universioy from October 2018 to February 2021. The patients were divided into two groups: the INSIBL group (40 cases) and the non-INSIBL group (49 cases). Data collected included general information, laboratory examination results, and imaging findings. Neutrophil to lymphocyte ratio (NLR) and derived neutrophil-to-lymphocyte ratio (dNLR) in peripheral blood were used as indicators of systemic inflammation. The influencing factors of INSIBL in patients with CAS were analyzed.using independent t-tests, χ2 test, Rank sum test, multivariate Logistic regression, and receiver operating characteristic (ROC) curve.

Results

(1) Systolic blood pressure on admission in the INSIBL group were statistically significantly higher than that in the non-INSIBL group [(145.1±19.7) mmHg vs (139.2±18.7) mmHg, t=4.434, P=0.046]. (2) Lymphocyte count in the INSIBL group is lower than that in the non-INSIBL group [1.26(0.92, 1.37)×109/L vs 1.63(1.41, 1.99)×109/L, Z=7.921, P=0.010], and both NLR and dNLR were significantly higher in the INSIBL group compared to the non-INSIBL group [NLR: 4.80 (1.98, 7.77)vs 2.38 (1.57, 3.70), Z=13.357, P<0.001; dNLR: 3.50 (1.65, 5.35) vs 1.62 (1.00, 2.50), Z=12.885, P<0.001].(3) Multivariate Logistic regression analysis results showed that NLR [adjusted odds ratio (aOR)=1.774, 95%confidence interval (CI): 1.487-2.132, P=0.001] and dNLR [aOR=1.828, 95%CI: 1.487-2.485, P<0.001]were independent influencing factors of CAS-INSIBL. (4) ROC curves demonstrated that the optimal cutoff value of NLR was 4.52 (sensitivity 75.0%, specificity 65.3%), the area under the curve (AUC) value is 0.72 (95%CI:0.62-0.83, P<0.001). For dNLR, the optimal cutoff value was 2.87 (sensitivity 70.0%, specificity 63.3%), the AUC value 0.70 (95%CI: 0.59-0.81, P=0.001).

Conclusion

NLR and dNLR are independent influencing factors of CAS-INSIBL, NLR has relatively high predictive value on CAS-INSIBL.

图1 62岁男性左侧颈内动脉起始段重度狭窄患者行颈动脉起始段支架置入术。图a、b 数字减影血管造影示左侧颈内动脉起始段重度狭窄(红色箭头所示);图c 术前头磁共振弥散加权成像示无脑梗死病灶;图d、e 数字减影血管造影示左侧颈内动脉起始段支架置入术后(红色箭头所示);图f 术后头磁共振弥散加权成像示左侧颞叶新发高信号(红色箭头所示)
表1 行颈动脉支架置入术患者基线资料和实验室检查数据比较
项目 non-INSIBL 组(n=49) INSIBL 组(n=40) 统计值 P
年龄(岁,xˉ±s) 66.5±10.0 68.2±14.9 t=3.758 0.056
男性[ 例(%)] 42(85.7) 35(87.5) χ 2=0.060 0.806
高血压病史[ 例(%)] 39(79.6) 30(75.0) χ 2=0.267 0.606
糖尿病病史[ 例(%)] 21(42.9) 18(45.0) χ 2=0.041 0.839
高脂血症病史[ 例(%)] 6(12.2) 6(15.0) χ 2=0.143 0.705
脑卒中病史[ 例(%)] 6(12.2) 4(10.0) χ 2=0.111 0.739
吸烟史[ 例(%)] 16(32.7) 18(45.0) χ 2=1.422 0.233
饮酒史[ 例(%)] 30(61.2) 25(62.5) χ 2=0.015 0.902
冠状动脉粥样硬化性心脏病病史[ 例(%)] 8(16.3) 6(15.0) χ 2=0.029 0.864
入院时收缩压(mmHg,xˉ±s) 139.2±18.7 145.1±19.7 t=4.434 0.046
入院时舒张压(mmHg,xˉ±s) 83.1±12.9 86.8±13.2 t=3.881 0.055
入院时NIHSS 评分[ 分,MQR)] 4(2,7) 4(2,8) Z=0.128 0.722
静脉rt-PA 治疗[ 例(%)] 4(8.2) 3(7.5) χ 2=0.013 0.908
颈内动脉颅内段[ 例(%)] 30(61.2) 24(60.0) χ 2=0.014 0.906
右侧颈内动脉[ 例(%)] 23(46.9) 21(52.5) χ 2=0.813 0.367
开环支架[ 例(%)] 31(63.3) 27(67.5) χ 2=0.174 0.677
白细胞计数[×109/L,MQR)] 6.32(5.03,7.19) 7.50(5.03,9.47) Z=3.910 0.054
中性粒细胞计数[×109/L,MQR)] 4.36(3.43,6.02) 6.87(3.10,9.19) Z=3.789 0.056
淋巴细胞计数[×109/L,MQR)] 1.63(1.41,1.99) 1.26(0.92,1.37) Z=7.921 0.010
NLR[MQR)] 2.38(1.57,3.70) 4.80(1.98,7.77) Z=13.357 <0.001
dNLR[MQR)] 1.62(1.00,2.50) 3.50(1.65,5.35) Z=12.885 <0.001
图2 NLR、dNLR预测颈动脉支架置入术后同侧新发无症状缺血性脑损伤的受试者操作特征曲线 注:NLR为中性粒细胞与淋巴细胞比值,dNLR为衍生中性粒细胞与淋巴细胞比值
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