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1.重庆医科大学基础医学院,重庆 400010
2.重庆医科大学附属第一医院检验医学中心/临床分子医学检测中心,重庆 400016
黎钇杉,Email:liyishan98@163.com,研究方向:急性缺血性脑卒中的病理机制。
赵 涌,Email:zhaoyong668@cqmu.edu.cn。
收稿:2025-04-01,
修回:2025-04-28,
录用:2025-05-27,
纸质出版:2025-11-28
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黎钇杉,李怡心,彭莉等.外周血炎症相关指标与急性缺血性脑卒中神经功能缺损严重程度的关系[J].重庆医科大学学报,2025,50(11):1472-1479.
Li Yishan,Li Yixin,Peng Li,et al.Association between peripheral blood inflammatory markers and the severity of neurological impairment in acute ischemic stroke[J].Journal of Chongqing Medical University,2025,50(11):1472-1479.
黎钇杉,李怡心,彭莉等.外周血炎症相关指标与急性缺血性脑卒中神经功能缺损严重程度的关系[J].重庆医科大学学报,2025,50(11):1472-1479. DOI: 10.13406/j.cnki.cyxb.003883.
Li Yishan,Li Yixin,Peng Li,et al.Association between peripheral blood inflammatory markers and the severity of neurological impairment in acute ischemic stroke[J].Journal of Chongqing Medical University,2025,50(11):1472-1479. DOI: 10.13406/j.cnki.cyxb.003883.
目的
2
探讨外周血炎症指标以及淋巴细胞亚群与不同损伤程度的急性缺血性脑卒中(acute ischemic stroke,AIS)之间的关系。
方法
2
选择2022年1月至12月,来自重庆医科大学附属第一医院神经内科的AIS患者(128例)为研究对象,根据美国国立卫生研究院卒中量表(National Institutes of Health stroke scale,NIHSS)评分将NIHSS评分
<
4分的患者分为轻度AIS组(
n
=67)以及NIHSS评分≥4分的患者分为中重度AIS组(
n
=61)。收集并比较各组患者的基线临床资料、血生化指标、外周血炎症指标[C-反应蛋白(C-reactive protein,CRP)、全身免疫炎症指数(systemic immune-inflammation index,SII)、单核细胞淋巴细胞比(monocyte to lymphocyte ratio,MLR)、中性粒细胞淋巴细胞比(neutrophil to lymphocyte ratio,NLR)、血小板淋巴细胞比(platelet to lymphocyte ratio,PLR)]等。应用流式细胞术分析淋巴细胞亚群的数量和百分比。
结果
2
与轻度AIS组相比,中重度AIS组有高脂血症的患者比例较高[47.761% vs. 67.213%,
P
=0.032],其中低密度脂蛋白胆固醇(low-density lipoprotein,LDL)/高密度脂蛋白胆固醇(high-density lipoprotein,HDL)(
P
=0.025)及总胆固醇(total cholesterol,TCHO)/HDL(
P
=0.020)比值较高;外周血炎症指标CRP(
P
<
0.001)、血小板(
P
=0.001)、MLR(
P
<
0.001)及NLR(
P
<
0.001)较高;且中重度AIS组外周血CD3 T细胞数量(
P
=0.006)、CD4 T细胞数量(
P
=0.009)及Th细胞占比(
P=
0.041)、CD8 T细胞数量(
P
=0.032)、CD3
-
/CD16
+
/CD56
+
NK细胞数量(
P
=0.002)更高。二元logistic回归分析显示,血小板(
OR
=1.035,
P
=0.004)、CRP(
OR
=2.016,
P
<
0.001)、NLR(
OR
=2.585,
P
=0.030)、总淋巴细胞占比(
OR
=1.169,
P
<
0.001)及数量(
OR
=1.008,
P
<
0.001)与中重度脑卒中AIS明显相关。且受试者工作特征(receiver operating characteristic,ROC)曲线分析显示,NLR、CRP以及总淋巴细胞占比的曲线下面积(area under the curve,AUC)分别为0.760、0.812和0.777。
结论
2
中重度脑卒中AIS患者外周血炎症指标NLR、CRP以及淋巴细胞数量和占比较高。NLR、CRP以及淋巴细胞占比可作为中重度AIS发生的独立危险因素。
Objective
2
To investigate the association of peripheral blood inflammatory markers and lymphocyte subsets with different severities of acute ischemic stroke(AIS).
Methods
2
A total of 128 AIS patients who were admitted to Department of Neurology,The First Affiliated Hospital of Chongqing Medical University,from January to December 2022 were enrolled as subjects,and according to the National Institutes of Health Stroke Scale(NIHSS)score,the patients were divided into mild AIS group(67 patients with an NIHSS score of <4)and moderate-to-severe AIS group(61 patients with an NIHSS score of ≥4). The two groups were compared in terms of baseline clinical data,blood biochemical parameters,and peripheral blood inflammatory markers(C-reactive protein[CRP],systemic immune-inflammation index[SII],monocyte-to-lymphocyte ratio [MLR],neutrophil-to-lymphocyte ratio[NLR],and platelet-to-lymphocyte ratio[PLR]). Flow cytometry was used to measure the number and percentage of lymphocyte subsets.
Results
2
Compared with the mild AIS group,the moderate-to-severe AIS group had a significantly higher proportion of patients with hyperlipidemia(47.761% vs. 67.213%,
P
=0.032),with relatively high values of low-density lipoprotein(LDL)/high-density lipoprotein(HDL)ratio(
P
=0.025)and total cholesterol(TCHO)/HDL ratio(
P
=0.020),as well as significantly higher levels of the peripheral blood inflammatory markers CRP(
P
<
0.001),platelet count(
P
=0.001),MLR(
P
<
0.001),and NLR(
P
<
0.001),significantly higher numbers of peripheral blood CD3 T cells(
P
=0.006),CD4 T cells(
P
=0.009),CD8 T cells(
P
=0.032),and CD3
-
/CD16
+
/CD56
+
NK cells(
P
=0.00
2),and a significantly higher proportion of T helper cells(
P
=0.041). The binary logistic regression analysis showed that platelet count(odds ratio [
OR
]=1.035,
P
=0.004),CRP(
OR
=2.016,
P
<
0.001),NLR(
OR
=2.585,
P
=0.030),the proportion of total lymphocytes(
OR
=1.169,
P
<
0.001),and the number of lymphocytes(
OR
=1.008,
P
<
0.001)were significantly associated with moderate-to-severe AIS. The receiver operating characteristic(ROC)curve analysis showed that NLR,CRP,and the proportion of total lymphocytes had an area under the ROC curve of 0.760,0.812,and 0.777,respectively.
Conclusion
2
Patients with moderate-to-severe AIS tend to have high levels of the peripheral blood inflammatory markers NLR and CRP,a high lymphocyte count,and a high proportion of lymphocytes. NLR,CRP,and the proportion of lymphocytes are independent risk factors for the development of moderate-to-severe AIS.
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