外周动脉疾病患者脂联素、氧化型低密度脂蛋白与IMT的相关性

目的探讨脂联素在外周动脉疾病患者中与动脉硬化的关系及机制。方法酶联免疫吸附测定（ELISA）法分别测定77例外周动脉疾病患者（包括颈动脉狭窄33例、肾动脉狭窄29例及腹主动脉瘤15例）、33例对照组血浆脂联素及氧化型低密度脂蛋白浓度，超声测定颈动脉内膜中层厚度（intima media thickness，IMT），分析三个指标之间的相关性。结果平方根转换后外周动脉疾病患者血浆脂联素浓度较对照组显著降低[（2．39±0．07）Sqrtmg／L vs．（3．58±0．14）Sqrt mg／L，P〈0．001]，氧化型低密度脂蛋白浓度显著高于对照组[（3．20±0．17）Sqrμxg／Lvs.（1．55±0．24）Sqrtμg／L，P〈0．001）。血浆脂联素与氧化型低密度脂蛋白浓度的平方根呈负相关（r=0．526，P〈0．001），与颈动脉IMT呈负相关（r=-0．384，P〈0．001）；氧化型低密度脂蛋白浓度的平方根与颈动脉IMT呈正相关（r=0．336，P〈0．001）。偏相关分析校正年龄、吸烟年支数、血糖、血脂指标后，血浆脂联素与氧化型低密度脂蛋白浓度的平方根仍呈负相关（r=-0．235，P〈0．05），与颈动脉IMT呈负相关（r=0．175，P〈0．05）；血浆氧化型低密度脂蛋白浓度的平方根与颈动脉IMT呈正相关（r=0．157，P〈0．05）。结论血浆脂联素浓度与外周动脉疾病的发生、发展以及机体的氧化应激相关。

Associations between plasma concentrations of adiponectin,oxidative low-density lipoprotein and carotid artery intima media thickness in patients with peripheral artery disease

Objectives To explore the relationship between adiponectin,oxidative low-density lipoprotein(LDL) and arteriosclerosis in patients with peripheral artery disease.Methods The plasma concentrations of adiponectin and oxidative LDL were determined by enzyme linked immunosorbent assay(ELISA),and intima media thickness(IMT) of carotid artery was determined by echography in 77 patients(patient group) with peripheral artery diseases(included carotid artery stenosis 33 cases,kidney artery stenosis 29,abdominal aort...