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慢性肾脏病患者血清suPAR水平与颈动脉内膜中层厚度的相关性研究

黄艳玲,陈永华,袁利   

  1. 上海市第八人民医院,上海市第八人民医院,上海市第八人民医院
  • 收稿日期:2019-03-19 修回日期:2019-05-15 出版日期:2019-05-25

Association between Serum suPAR Level and Carotid Intima-media Thickness in Patients with Chronic Kidney Disease

Huang YanLing,Cjen YongHua and Yuan Li   

  1. th People''''s Hospital of Shanghai,th People''''s Hospital of Shanghai,th People''''s Hospital of Shanghai
  • Received:2019-03-19 Revised:2019-05-15 Online:2019-05-25

摘要: 目的:探讨慢性肾脏病(chronic kidney disease,CKD)患者血清可溶性尿激酶型纤溶酶原激活物受体(suPAR)水平与颈动脉内膜中层厚度(carotid intima-media thickness,CIMT)的相关性。方法:回顾性纳入2017年1月1日至2018年6月1日共155例CKD患者作为CKD组,另选45例健康体检者作为对照组,评估两组患者临床特征参数及生化指标的差异,分析CKD患者suPAR水平与生化指标相关性,并评估CKD患者CIMT增厚的发生率及其影响因素,利用受试者操作特征(receiver operating characteristic,ROC)曲线探讨suPAR水平预测CKD患者CIMT增厚的临床效能。结果:与对照组比较,CKD患者体质量指数(BMI)、低密度脂蛋白胆固醇(LDL-c)、总胆固醇(TC)、甘油三酯(TG)、收缩压、舒张压、糖化血红蛋白、超敏C-反应蛋白(hs-CRP)、尿酸、CIMT和suPAR均高于对照组,而eGFR低于对照组(P<0.05);Pearson相关分析显示,CKD患者suPAR水平与LDL-c、TC、TG、收缩压、hs-CRP、尿酸和CIMT水平均呈正相关性,与eGFR呈负相关性(P<0.05)。CIMT超过0.8 mm的患者共69例,发生率为44.52%(69/155),单因素分析表明,LDL-c、收缩压、hs-CRP、尿酸、eGFR、suPAR水平在CIMT增厚组和正常组间差异均有统计学意义(P<0.05)。Logistic 回归分析显示,suPAR升高是导致CKD患者CIMT增厚的危险因素,而eGFR升高是其保护因素(P<0.05)。ROC曲线结果发现,suPAR(AUC:0.841)预测CKD患者CIMT增厚的临床效能较好,当截断值为8.9 μg·L-1时,敏感度和特异度分别为87.4%和90.7%。结论:CKD患者血清suPAR水平升高,可作为反映病情严重程度及预测患者CIMT增厚的一个临床指标。

Abstract: Objective:To investigate the association between serum level of suPAR and carotid intima-media thickness(CIMT) in patients with chronic kidney disease (CKD). Methods: A total of 155 patients with CKD and 45 health controls from Jan 1, 2017 to June 1, 2018 were retrospectively enrolled in this study. The differences of clinical characteristic parameters and biochemical indexes between patients with CKD and control group were evaluated and compared. The correlation between serum suPAR level and the above indications in CKD patients were analyzed by Pearson method. The incidence of CIMT more than 0.8 mm in patients with CKD and its potential influencing factors were also evaluated. The value of suPAR in predicting CIMT more than 0.8 mm in patients with CKD was analyzed by receiver operating characteristic (ROC) curve. Results: When compared with the control group, the BMI, LDL-c, TC, TG, systolic blood pressure, diastolic blood pressure, glycated hemoglobin, hs-CRP, uric acid, CIMT and suPAR levels were higher than those of the control group, while the levels of eGFR was lower than the control group (P<0.05). Pearson correlation analysis showed that serum suPAR level was positively correlated with LDL-c, TC, TG, systolic blood pressure, hs-CRP, uric acid and CIMT thickness but not with eGFR in CKD patients. All the differences were statistical significant. The incidence of CIMT more than 0.8 mm in patients with CKD was 44.52% (69/155). Univariate analysis showed that the levels of LDL-c, systolic blood pressure, hs-CRP, uric acid, eGFR and suPAR were different between the CIMT thickening group and the normal group (P<0.05). Logistic regression analysis showed that elevated suPAR level was a risk factor for CIMT thickening in CKD patients, while elevated eGFR level was a protective factor (P<0.05). The ROC curve results indicated that the value of suPAR (AUC:0.841) in predicting CIMT more than 0.8mm in patients with CKD was significant, with cut-off value, sensitivity and specificity was 8.9g·L-1, 87.4% and 90.7%, respectively. Conclusion: The serum suPAR level in CKD patients increased significantly, which can be used as a clinical index to reflect the severity of the disease and predict CIMT more than 0.8 mm.