目的 研究血浆脂蛋白磷脂酶 A2(Lp-PLA2)在防治急性动脉硬化性脑梗死中的临床价值。方法 选取2014年1月—2015年12月在我院经头颅MRI+MRA及脑血管造影确诊为急性动脉硬化性脑梗死患者80例为病例组,选取同期来我院例行体检头MRI+MRA 正常的健康自愿者40名为对照组。病例组采取脑梗死规范治疗及肢体功能康复锻炼,以酶联免疫法分不同时段测定两组患者血浆Lp-PLA2的浓度,以及评价病例组神经功能缺损程度,经数据分析研究脑梗死患者血浆Lp-PLA2浓度与神经功能缺损程度相关性。结果 急性动脉硬化性脑梗死患者血浆 Lp-PLA2浓度高于健康对照组患者,经统计学分析,P<0.05,并且随着脑梗死时间的推移,Lp-PLA2浓度愈低。NIHSS评分显示,随着脑梗死时间推移,NIHSS评分越来越低,差异有统计学意义(P<0.05)。对比同时期NIHSS评分和患者 Lp-PLA2浓度,NIHSS与Lp-PLA2浓度呈正相关(r=2.376,P<0.01)。结论 血浆Lp-PLA2 浓度升高是脑梗死的危险因素之一,降低血浆 Lp-PLA2 浓度可在脑梗死的早期预防上起到积极作用。

Objective To explore clinical value of plasma lipoprotein-associated phospholipase A2 (Lp-PLA2) in controlling acute atherosclerosis cerebral infarction. Methods 80 cases of acute atherosclerosis patients diagnosed by head MRI+MRA were selected as cases group, and 40 as normal controls. Cases treated with cerebral infarction specification therapy and lib function rehabilitation exercise. Using enzyme-linked immunoassay points at different times of measuring the concentration of plasma Lp-PLA2 in both groups, evaluating nerve function defect degree of cases, then analysis the correlation of cerebral infarction plasma concentration of Lp-PLA2 and neural function defect degree. Results Acute atherosclerotic cerebral infarction patients plasma concentration of Lp-PLA2 patients was significantly higher than healthy control group, by statistics analysis P<0.05, and with cerebral infarction time went by, the Lp-PLA2 concentration was lower. NIHSS score, with the time of cerebral infarction passed, was lower and lower, the change was statistically significant P<0.05.Compared with NIHSS score and concentration of Lp-PLA2, NIHSS and Lp- PLA2 concentration were positively correlated, r=2.376,P<0.01. Conclusion Plasma Lp-PLA2 is a risk factor for cerebral infarction. Reducing plasma concentration of Lp-PLA2 can play a positive role on the early prevention of cerebral infarction.