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脑卒中是我国糖尿病病人常见的大血管并发症,糖尿病病人的卒中风险是非糖尿病病人的2~4倍[1],其病理基础是动脉粥样硬化[2],相关研究显示颈动脉内膜-中层厚度(intima-media thickness,IMT)对脑梗死的发病有预测作用,同时有助于脑梗死病情的评估[3]。血清尿酸(serum uric acid,SUA)是嘌呤代谢的终产物,主要通过肾脏随尿液排出,SUA的清除通常受肾功能影响,因此,本研究选择血清尿酸与肌酐比值(SUA/SCr)作为分析指标,旨在通过分析2型糖尿病病人中SUA/SCr与颈动脉IMT的相关性,探讨SUA/SCr在糖尿病大血管并发症的临床预测意义。
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各组间糖尿病病程差异有统计学意义,G1组、G2组 < G3组 < G4组(P < 0.05)。各组间血压、FBG、TC、TG、SUA以及SCr水平差异均无统计学意义(P>0.05);而各组间HbA1c水平G1组 < G2组 < G3组 < G4组(P < 0.05~P < 0.01);血清LDL-C水平G2组、G3组、G4组差异无统计学意义,G1组均小于G2组、G3组、G4组(P < 0.01);血清HDL-C水平G1组>G2组>G3组和G4组(P < 0.01);SUA/SCr比值G1组均小于G2组、G3组、G4组(P < 0.01)(见表 1)。
分组 n 病程/年 收缩压/mmHg 舒张压/mmHg FBG/(mmol/L) HbA1c/% TC/(mmol/L) TG/(mmol/L) LDL-C/(mmol/L) HDL-C/(mmol/L) UA/(μmol/L) SCr/(μmol/L) SUA/SCr G1组 31 6.39±1.15 135.81±9.58 80.64±11.60 9.22±1.03 7.28±0.57 4.55±1.11 2.92±0.30 2.43±0.51 0.98±0.16 316.13±30.41 68.40±18.78 4.18±0.43 G2组 32 7.50±2.09 126.06±17.02 85.25±10.53 9.62±0.92 8.23±0.58** 4.16±0.83 3.03±0.32 3.44±0.68** 0.83±0.13** 320.63± 50.94 68.84±22.80 5.05±0.97** G3组 33 10.88±2.88**△△ 132.23±20.84 85.30±10.84 9.22±1.08 8.93±0.91**△△ 4.83±0.83 3.04±0.35 3.62±0.69** 0.72±0.10**△△ 324.67±47.67 71.3±15.80 4.95±1.26** G4组 31 13.65±4.45**△△## 125.39±20.66 84.50±10.90 9.89±2.08 9.37±1.13**△△# 4.52±0.88 3.09±0.41 3.75±0.82** 0.67±0.10**△△ 338.20± 50.40 71.06±21.71 5.21±1.03** F — 40.46 2.53 1.81 1.84 37.64 1.34 1.25 23.88 37.26 1.35 0.18 5.66 P — < 0.01 >0.05 >0.05 >0.05 < 0.01 >0.05 >0.05 < 0.01 < 0.01 >0.05 >0.05 < 0.01 MS组内 — 8.411 312.489 120.314 1.831 0.691 0.842 0.121 0.468 0.016 2090.301 396.942 0.954 q检验:与G1组比较**P < 0.01;与G2组比较△△P < 0.01;与G3组比较#P < 0.05,##P < 0.01 表 1 各组间各代谢性指标的比较(x±s)
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logistic回归分析结果提示病程、HbA1c、LDL-C、SUA/SCr可能是IMT的风险因素(P < 0.05~P < 0.01),HDL-C是IMT的保护性因素(P < 0.01)(见表 2)。
风险因素 参考估计值 OR Waldχ2 P 病程 2.02 6.77 6.02 < 0.05 HbA1c 2.98 3.64 7.74 < 0.01 LDL-C 3.47 3.22 6.97 < 0.01 HDL-C -2.80 2.25 7.69 < 0.01 SUA/SCr 1.34 3.81 3.85 < 0.05 表 2 IMT影响因素logistic回归分析结果
2型糖尿病病人血清尿酸与肌酐比值和颈动脉内膜-中层厚度的相关性分析
Correlation analysis between the serum uric acid/creatinine value ratio and carotid intimal-media thickness in type 2 diabetes patients
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摘要:
目的通过分析2型糖尿病病人血清尿酸与肌酐比值(SUA/SCr)与颈动脉内膜-中层厚度(IMT)的相关性,探讨SUA/SCr在2型糖尿病病人大血管并发症中的临床意义。 方法收集127例2型糖尿病病人临床资料,根据病人颈动脉IMT厚度分为正常组(G1组)、内膜增厚组(G2组)、稳定斑块组(G3组)及不稳定斑块组(G4组)。统计并分析各组间临床资料的差异,对IMT和SUA/SCr进行相关性分析。 结果各组间糖尿病病程差异有统计学意义(P < 0.01),各组间糖化血红蛋白(HbA1c)、血清低密度脂蛋白、胆固醇(LDL-C)水平、血清高密度脂蛋白胆固醇(HDL-C)水平及SUA/SCr差异有统计学意义(P < 0.01);对颈动脉IMT增厚影响因素的logistic回归分析结果提示,病程、HbA1c、LDL-C、SUA/SCr可能是IMT增厚的风险因素(P < 0.05~P < 0.01),HDL-C是IMT增厚的保护性因素(P < 0.01)。 结论在2型糖尿病病人中,糖尿病病程、HbA1c、LDL-C、SUA/SCr是IMT增厚的风险因素,HDL-C是IMT增厚的保护因素,在2型糖尿病伴有大血管并发症的病人中SUA/SCr的变化较SUA更为敏感。 Abstract:ObjectiveTo explore the relationship between the serum uric acid to serum creatinine(SUA/SCr) ratio and carotid intima-media thickness(IMT) for analyzing the significance of the SUA/SCr ratio in the detection of large vascular complications in patients with type 2 diabetes. MethodsThe clinical data of 127 patients with type 2 diabetes were collected.According to the carotid IMT, the patients were divided into the normal group(group G1), intima thickened group(group G2), stable plaque group(group G3)and unstable plaque group(group G4).The differences of clinical data among four groups were statistically analyzed, and the relationship between IMT and SUA/SCr ratio was analyzed. ResultsThe differences of the course of diabetes among four groups were statistically significant(P < 0.01).The differences of the levels of glycosylated hemoglobin(HbA1c), serum LDL cholesterol(LDL-C), and serum HDL cholesterol(HDL-C) and SUA/SCr ratio among four groups were statistically significant(P < 0.01).The results of logistic regression analysis of influencing factors of carotid IMT showed that the disease course, and the levels of HbA1c, serum LDL-C and serum HDL-C and SUA/SCr ratio might be the risk factors of IMT(P < 0.05 to P < 0.01), and the HDL-C was a protective factor of IMT(P < 0.01). ConclusionsThe course of diabetes, HbA1c, LDL-C and SUA/SCr ratio are the risk factors of IMT, while the HDL-C is a protective factor of IMT in patients with type 2 diabetes.The change of SUA/SCr in patients with type 2 diabetes complicated with macrovascular complications is more sensitive than that of SUA. -
Key words:
- type 2 diabetes mellitus /
- serum uric acid /
- serum creatinine /
- intima-media thickness
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表 1 各组间各代谢性指标的比较(x±s)
分组 n 病程/年 收缩压/mmHg 舒张压/mmHg FBG/(mmol/L) HbA1c/% TC/(mmol/L) TG/(mmol/L) LDL-C/(mmol/L) HDL-C/(mmol/L) UA/(μmol/L) SCr/(μmol/L) SUA/SCr G1组 31 6.39±1.15 135.81±9.58 80.64±11.60 9.22±1.03 7.28±0.57 4.55±1.11 2.92±0.30 2.43±0.51 0.98±0.16 316.13±30.41 68.40±18.78 4.18±0.43 G2组 32 7.50±2.09 126.06±17.02 85.25±10.53 9.62±0.92 8.23±0.58** 4.16±0.83 3.03±0.32 3.44±0.68** 0.83±0.13** 320.63± 50.94 68.84±22.80 5.05±0.97** G3组 33 10.88±2.88**△△ 132.23±20.84 85.30±10.84 9.22±1.08 8.93±0.91**△△ 4.83±0.83 3.04±0.35 3.62±0.69** 0.72±0.10**△△ 324.67±47.67 71.3±15.80 4.95±1.26** G4组 31 13.65±4.45**△△## 125.39±20.66 84.50±10.90 9.89±2.08 9.37±1.13**△△# 4.52±0.88 3.09±0.41 3.75±0.82** 0.67±0.10**△△ 338.20± 50.40 71.06±21.71 5.21±1.03** F — 40.46 2.53 1.81 1.84 37.64 1.34 1.25 23.88 37.26 1.35 0.18 5.66 P — < 0.01 >0.05 >0.05 >0.05 < 0.01 >0.05 >0.05 < 0.01 < 0.01 >0.05 >0.05 < 0.01 MS组内 — 8.411 312.489 120.314 1.831 0.691 0.842 0.121 0.468 0.016 2090.301 396.942 0.954 q检验:与G1组比较**P < 0.01;与G2组比较△△P < 0.01;与G3组比较#P < 0.05,##P < 0.01 表 2 IMT影响因素logistic回归分析结果
风险因素 参考估计值 OR Waldχ2 P 病程 2.02 6.77 6.02 < 0.05 HbA1c 2.98 3.64 7.74 < 0.01 LDL-C 3.47 3.22 6.97 < 0.01 HDL-C -2.80 2.25 7.69 < 0.01 SUA/SCr 1.34 3.81 3.85 < 0.05 -
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