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新乡医学院南阳市第二人民医院神经内科,河南南阳
宋彦,E-mail: 1136811893@qq.com
收稿日期:2024-12-05,
修回日期:2025-03-18,
纸质出版日期:2025-05-30
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李彦达,宋彦,陈亚伦,等.基于血清MCP-1、MCPIP1联合炎症因子的进展性脑梗死患者血管斑块稳定性列线图预测模型构建与验证[J].陆军军医大学学报,2025,47(10):1102-1109.DOI:10.16016/j.2097-0927.202412018.
LI Y D,SONG Y,CHEN Y L,et al.Construction and verification of a nomogram prediction model for vascular plaque stability in patients with progressive cerebral infarction based on serum MCP-1, MCPIP1 combined with inflammatory factors[J].J Army Med Univ,2025,47(10):1102-1109.DOI:10.16016/j.2097-0927.202412018.
李彦达,宋彦,陈亚伦,等.基于血清MCP-1、MCPIP1联合炎症因子的进展性脑梗死患者血管斑块稳定性列线图预测模型构建与验证[J].陆军军医大学学报,2025,47(10):1102-1109.DOI:10.16016/j.2097-0927.202412018. DOI:
LI Y D,SONG Y,CHEN Y L,et al.Construction and verification of a nomogram prediction model for vascular plaque stability in patients with progressive cerebral infarction based on serum MCP-1, MCPIP1 combined with inflammatory factors[J].J Army Med Univ,2025,47(10):1102-1109.DOI:10.16016/j.2097-0927.202412018. DOI:
目的
2
基于血清单核细胞趋化蛋白-1(monocyte chemotactic protein-1,MCP-1)、单核细胞趋化蛋白-1诱导蛋白1(monocyte chemotactic protein-1 inducible protein 1,MCPIP1)联合炎症因子构建进展性脑梗死患者血管斑块不稳定的列线图预测模型并验证。
方法
2
采用回顾性队列研究设计,选取2023年1-12月新乡医学院南阳市第二人民医院神经内科收治的进展性脑梗死的200例患者为建模组,并根据颈动脉多层螺旋CT血管成像检查结果分为血管斑块稳定组和血管斑块不稳定组。收集其一般资料、实验室指标等临床资料,采用单因素及多因素分析血管斑块不稳定的影响因素,并构建进展性脑梗死患者血管斑块稳定性的列线图预测模型,采用受试者工作特征(receiver operating characteristic,ROC)曲线评估模型预测价值。另按照建模组与验证组7∶3的比例,选取2024年1-6月新乡医学院南阳市第二人民医院神经内科收治的进展性脑梗死患者86例为验证组,收集其临床资料对模型进行外部验证。
结果
2
建模组中血管斑块稳定组患者68例(34.00%),血管斑块不稳定组132例(66.00%)。单因素分析结果显示,2组患者的年龄[(65.31±6.74)岁
vs
(67.52±7.14)岁,
t
=2.113)]、合并糖尿病[35(48.53)
vs
80(60.61),
χ
2
=7.182]、MCP-1[(570.67±104.23) pg/mL
vs
(693.94±128.45)pg/mL,
t
=6.836]、MCPIP1[(2.93±0.58)ng/mL
vs
. (4.08±0.75)ng/mL,
t
=11.051]、同型半胱氨酸(homocysteine,Hcy)[(10.56±2.38)μmol/L vs. (16.04±3.54)μmol/L,
t
=11.491]、C反应蛋白(C-reactive protein,CRP)[(6.16±2.03)mg/L
vs
. (8.05±2.67)mg/L,
t
=5.122]及肿瘤坏死因子-ɑ(tumor necrosis factor-ɑ,TNF-ɑ)[(1.31±0.29)ng/mL
vs
. (1.79±0.47)ng/mL,
t
=7.696]比较,差异具有统计学意义(均
P
˂0.05)。多因素分析结果显示,年龄(
β
=0.103,
OR
=1.109,95%
CI
=1.012~1.215)、合并糖尿病(
β
=2.135,
OR
=8.461,95%
CI
=1.866~38.353)、Hcy(
β
=0.706,
OR
=2.026,95%
CI
=1.550~2.650)、MCP-1(
β
=0.011,
OR
=1.011,95%
CI
=1.004~1.018)、MCPIP1(
β
=1.928,
OR
=6.875,95%
CI
=2.765~17.094)、CRP(
β
=0.327,
OR
=1.387,95%
CI
=1.022~1.883)及TNF-ɑ(
β
=1.491,
OR
=4.443,95%
CI
=1.389~14.212)均为进展性脑梗死患者血管斑块不稳定的独立影响因素(均
P
˂0.05)。根据多因素分析结果构建模型公式为Logit(
P
)=0.103×(年龄)+2.135×(合并糖尿病)+0.706×(Hcy)+0.011×(MCP-1)+1.928×(MCPIP1)+0.327×(CRP)+1.491×(TNF-ɑ)-34.684。ROC曲线分析结果显示,建模组的ROC的曲线下面积(area under curve,AUC)为0.956(95%
CI
:0.931~0.981,
P
<
0.001),敏感度为0.841,特异度为0.926。验证组的ROC的AUC为0.960(95%
CI
:0.925~0.996,
P
<
0.001)。
结论
2
本研究构建的进展性脑卒中患者血管斑块不稳定的列线图预测模型预测性能较好,临床可据此识别高风险血管斑块不稳定的患者。
Objective To construct and validate a nomogram-based prediction model of vascular plaque stability in patients with progressive cerebral infarction based on serum monocyte chemotactic protein-1 (MCP-1)
monocyte chemotactic protein-1 inducible protein 1 (MCPIP1) combined with inflammatory factors. Methods A retrospective cohort study was conducted on 200 patients with progressive cerebral infarction admitted to our department from January to December 2023. All of them were assigned into a modeling group
and wer
e divided into a stable plaque subgroup and the unstable plaque subgroup according to results of carotid multilayer spiral CT angiography. Their general data
results of laboratory tests
and other clinical indicators were collected to identify the influencing factors for vascular plaque instability with single-factor and multifactor analyses. Then a nomogram model for predicting vascular plaque stability was constructed for patients with progressive cerebral infarction. Receiver operating characteristics (ROC) curve was plotted to evaluate the predictive performance of the nomogram model. Subsequently
in a ratio of 7∶3 between the cases in the modeling group and the validation group
another 86 patients with progressive cerebral infarction admitted to our department from January to June 2024 were enrolled and served as the validation group. Their clinical data were collected for external validation of the model. Results In the modeling group
there were 68 patients (34.00%) in the stable plaque subgroup and 132 patients (66.00%) in the unstable plaque subgroup. Univariate analysis showed that there were significant differences between the 2 subgroups in terms of age (65.31±6.74
v
s 67.52±7.14 years
t
=2.113)
comorbid diabetes mellitus [35 (48.53%)
vs
80 (60.61%) cases
Chi-square
=7.182
]
MCP-1 (570.67±104.23
vs
693.94±128.45 pg/mL
t
=6.836)
MCPIP1 (2.93±0.58
vs
4.08±0.75 ng/mL
t
=11.051)
homocysteine (Hcy
10.56±2.38
vs
16.04±3.54 μmol/L
t
=11.491)
C-reactive protein (CRP
6.16±2.03
vs
8.05±2.67 mg/L
t
=5.122) and TNF-ɑ (1.31±0.29
vs
1.79±0.47 ng/mL
t
=7.696) (all
P
˂0.05). Multivariate analysis indicated that age (
β
=0.103
OR
=1.109
95%
CI
=1.012~1.215)
comorbid diabetes (
β
=2.135
OR
=8.461
95%
CI
=1.866~38.353)
Hcy (
β
=0.706
OR
=2.026
95%
CI
=1.550~2.650)
MCP-1 (
β
=0.011
OR
=1.011
95%
CI
=1.004~1.018)
MCPIP1 (
β
=1.928
OR
=6.875
95%
CI
=2.765~17.094)
CRP (
β
=0.327
OR
=1.387
95%
CI
=1.022~1.883) and TNF-ɑ (
β
=1.491
OR
=4.443
95%
CI
=1.389~14.212) were independent influencing factors for vascular plaque instability in the patients with progressive cerebral infarction (all
P
<
0.05). The modeling formula based on these factors was Logit (
P
)=0.103×(age)+2.135×(combined diabetes)+0.706×(Hcy)+0.011×(MCP-1)+1.928×(MCPIP1)+0.327×(CRP)+1.491×(TNF-ɑ)-34.684. ROC curve analysis revealed that the area under curve (AUC) of the model in the modeling group was 0.956 (95%
CI
: 0.931~0.981
P
<
0.001)
with a sensitivity of 0.841 and a specificity of 0.926
and the AUC value in validation group was 0.960 (95%
CI
=0.925~0.996
P
<
0.001). Conclusion Our nomogram prediction model has a good predictive performance for vascular plaque instability in patients with progressive stroke
and it can be used to identify high-risk patients for vascular plaque instability in clinical practice.
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