血常规中相关指标与急性脑梗死诊断及严重程度的相关性分析

陶涛; 何玲玲; 张业敏

doi:10.16766/j.cnki.issn.1674-4152.002150

血常规中相关指标与急性脑梗死诊断及严重程度的相关性分析

doi: 10.16766/j.cnki.issn.1674-4152.002150

1.
安徽医科大学附属巢湖医院检验科，安徽合肥 238000
2.
安徽医科大学附属巢湖医院神经内科，安徽合肥 238000

基金项目:

国家自然科学基金面上项目 81671316

安徽医科大学校科研基金项目 2020xjk214

详细信息

通讯作者:
张业敏，E-mail：h18356003260@163.com

中图分类号: R743.3 R446.111
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- 文章访问数: 314
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- PDF下载量: 9
- 被引次数: 0
出版历程
- 收稿日期: 2021-04-16
- 网络出版日期: 2022-02-15

Association of related markers in blood routine examination with diagnosis and severity of acute cerebral infarction

1.
Department of Clinical Laboratory of Chaohu Hospital Affiliated to Anhui Medical University, Hefei, Anhui 238000, China

摘要

摘要: 目的探讨血常规检验中性粒细胞/淋巴细胞比值(NLR)、平均血小板体积/淋巴细胞比值(MPVLR)与急性脑梗死(acute cerebral infarction, ACI)发病及严重程度之间的关系。方法收集安徽医科大学附属巢湖医院2018年8月—2020年6月收治的125例发病24 h内入院ACI患者作为研究对象，根据美国国立卫生研究院卒中量表(NIHSS)评分将其分为轻型ACI组(NIHSS < 5分，70例)和中重型ACI组(NIHSS≥5分，55例)。收集同一时期在安徽医科大学附属巢湖医院体检中心检查的75名健康人群为对照组。采用ROC曲线分析NLR、MPVLR预测ACI发病的价值。通过Pearson相关分析法评估中性粒细胞(NE)、NLR、MPVLR、血小板/中性粒细胞比值(PNR)、淋巴细胞(LYM)与NIHSS评分的相关性。采用多因素logistic回归模型分析脑梗死严重程度的独立危险因素。结果 ACI组的平均血小板体积(MPV)、NLR、MPVLR水平显著高于对照组，LYM、PNR水平显著低于对照组；中重型ACI组患者的NLR、MPVLR水平均显著高于轻型ACI组，LYM、PNR水平低于轻型ACI组，差异均有统计学意义(均P < 0.05)。NLR、MPVLR诊断ACI曲线下面积分别为0.739(0.672~0.806)、0.704(0.632~0.776)。ACI患者NE、NLR、MPVLR水平与NIHSS评分呈正相关(r=0.475、0.582、0.220，均P < 0.05)，ACI患者PNR、LYM水平与NIHSS评分呈负相关(r=-0.359、-0.223，均P < 0.05)。NLR为ACI严重程度的独立危险因素(P < 0.05)。结论 NLR、MPVLR与ACI发病及病情进展密切相关，NLR可能为ACI严重程度的独立危险因素，监测NLR、MPVLR水平对ACI患者病情评估及早期干预治疗具有指导价值。
- 中性粒细胞淋巴细胞比值 /
- 平均血小板体积淋巴细胞比值 /
- 急性脑梗死 /
- 血常规
Abstract: Objective To investigate the relationship between diagnosis and severity of acute cerebral infarction (ACI) and neutrophil/lymphocyte ratio (NLR) and mean platelet volume/lymphocyte ratio (MPVLR). Methods From October August 2018 to June 2020, 125 ACI patients from Chaohu Hospital Affiliated to Anhui Medical University who were admitted within 24 h after onset were enrolled. They were divided into the mild ACI group (NIHSS < 5 points, n=70) and moderate and severe ACI group (NIHSS ≥ 5 points, n=55) according to the National Institutes of Health Stroke Scale (NIHSS) score. Another 75 healthy volunteers examined in our physical examination centre were selected as the control group. The values of NLR and MPVLR in predicting ACI were determined by constructing receiver operating characteristic curves. Pearson correlation analysis was used to evaluate the correlation between NE, NLR, MPVLR, PNR, and LYM and NIHSS score. The independent risk factors of ACI severity were analysed by multivariate logistic regression analysis. Results Serum MPV, NLR and MPVLR levels in the ACI group were significantly higher, whilst the levels of LYM and PNR were significantly lower than those of the control group (P < 0.05). The levels of NLR and MPVLR in the moderate and severe ACI group were significantly higher, whilst the levels of PNR and LYM were obviously lower than those in the mild ACI group (P < 0.05). The areas under the curve of NLR and MPVLR to predict ACI were 0.739 (0.672-0.806) and 0.704 (0.632-0.776), respectively. The NE, NLR and MPVLR levels in ACI were positively correlated with the NIHSS score (r=0.475, 0.582, 0.220, P < 0.05). The PNR and LYM levels were negatively correlated with the NIHSS score (r=-0.359, -0.223, P < 0.05). NLR was an independent risk factor for the severity of ACI (P < 0.05). Conclusion NLR and MPVLR have certain clinical significance for ACI diagnosis and evaluating the severity of ACI. NLR may be an independent risk factor for the severity of ACI. Monitoring these two indicators has a certain guiding value for the early evaluation and treatment of ACI.
- Neutrophil/lymphocyte ratio /
- Mean platelet volume/lymphocyte ratio /
- Acute cerebral infarction /
- Blood routine examination

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图 1 NLR、MPVLR诊断ACI的ROC曲线

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表 1 3组研究对象一般临床资料比较

组别	例数	年龄 (x±s，岁)	性别[例(%)]		高血压 [例(%)]	糖尿病 [例(%)]	吸烟史 [例(%)]	饮酒史 [例(%)]	冠心病 [例(%)]
组别	例数	年龄 (x±s，岁)	女性	男性	高血压 [例(%)]	糖尿病 [例(%)]	吸烟史 [例(%)]	饮酒史 [例(%)]	冠心病 [例(%)]
对照组	75	63.73±6.08	31(41.3)	44(58.7)	35(46.7)	16(21.3)	12(16.0)	10(13.3)	7(9.3)
轻型ACI组	70	64.20±9.97	29(41.4)	41(58.6)	40(57.1)	22(31.4)	15(21.4)	12(17.1)	10(14.3)
中重型ACI组	55	66.62±10.01	24(43.6)	31(56.3)	33(60.0)	10(18.1)	10(18.1)	13(23.6)	8(14.5)
统计量		1.904^a	0.084^b		2.699^b	3.431^b	0.713^b	2.343^b	1.102^b
P值		0.152	0.959		0.259	0.680	0.700	0.310	0.576
注：^a为F值，^b为χ²值。

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表 2 ACI组与对照组血常规相关指标比较(x±s)

组别	例数	WBC (×10⁹/L)	RBC (×10¹²/L)	NE (×10⁹/L)	LYM (×10⁹/L)	PLT (×10⁹/L)	MPV (fL)	NLR	PNR	MPVLR
对照组	75	6.16±1.61	4.60±0.47	3.57±0.93	1.94±0.61	205.17±52.35	11.64±1.26	1.91±0.54	60.95±20.99	6.43±1.81
ACI组	125	7.04±2.67	4.33±0.55	4.80±2.50	1.60±0.51	182.52±57.39	12.06±1.42	3.27±1.94	44.32±19.73	8.44±3.35
t值		2.888	-3.548	4.067	-4.123	-2.791	2.110	7.384	-5.633	5.687
P值		0.004	＜0.001	＜0.001	＜0.001	0.006	0.036	＜0.001	＜0.001	＜0.001

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表 3 轻型与中重型ACI组血常规相关指标比较(x±s)

组别	例数	WBC (×10⁹/L)	RBC (×10¹²/L)	NE (×10⁹/L)	LYM (×10⁹/L)	PLT (×10⁹/L)	MPV (fL)	NLR	PNR	MPVLR
轻型ACI组	70	6.45±1.82	4.39±0.51	4.10±1.62	1.73±0.53	189.44±56.43	12.17±1.27	2.52±1.14	48.44±19.24	7.79±2.64
中重型ACI组	55	7.78±3.34	4.25±0.59	5.69±3.10	1.47±0.48	186.43±58.87	11.93±1.59	4.18±2.23	39.09±19.25	9.04±3.39
t值		2.669	-1.349	3.455	-2.832	0.675	-0.927	5.018	-2.697	2.323
P值		0.009	0.180	0.001	0.005	0.501	0.356	＜0.001	0.008	0.022

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表 4 ACI严重程度的多因素logistic回归分析

项目	B	SE	Wald χ²	P值	OR(95% CI)
NLR	0.661	0.271	5.934	0.015	1.936(1.138~3.294)
MPVLR	-0.019	0.121	0.025	0.874	0.981(0.774~1.243)
WBC	-0.029	0.166	0.031	0.861	0.971(0.702~1.344)
PNR	0.004	0.013	0.080	0.777	1.004(0.979~1.029)
注: 因变量ACI严重程度赋值, 轻度=0, 中重度=1;自变量WBC、NLR、PNR、MPVLR均以实际值赋值。

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