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单纯高甘油三酯血症患者血管内皮功能与胰岛素、Ⅲ型前胶原的相关性研究

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摘要 目的研究单纯高甘油三酯血症患者血管内皮细胞功能、血胰岛素、胶原代谢的变化,以探讨血管内皮功能、胰岛素、胶原代谢的相关性以及非诺贝特的干预作用。方法随机抽取单纯高甘油三酯血症患者20例,每日早空腹口服微粒化非诺贝特200 mg。分别于治疗前、治疗4周、治疗8周采空腹肘静脉血,测定血脂、血管内皮细胞计数(VEC)、血浆内皮素(ET-1)、一氧化氮(NO)、血胰岛素(INS)、Ⅲ型前胶原(PC-Ⅲ)。同时选年龄、性别相匹配的健康人20例作为正常对照组(对照组),入选时仅采空腹肘静脉血一次,观察指标同治疗组。结果高甘油三酯血症患者经非诺贝特治疗4周与治疗前比较,血TG水平即明显下降(P<0.01),治疗8周与4周比较,血TG明显下降(P<0.01),HDL-C则明显升高(P<0.05)。治疗组患者血ET-1、CEC计数、INS和PC-Ⅲ浓度,治疗前均高于对照组(P<0.01)。高TG组经服用非诺贝特治疗4周,血PC-Ⅲ浓度、CEC计数较治疗前降低(P<0.05,P<0.01),治疗8周时,血ET-1、INS、PC-Ⅲ浓度、CEC计数较治疗前进一步下降(P<0.01),NO浓度明显升高(P<0.05)。INS与ET-1(r=0.36,P<0.01)、CEC(r=0.26,P<0.01)计数均呈正相关,PC-Ⅲ与ET-1(r=0.41,P<0.01)、CEC(r=0.32,P<0.01)计数均呈正相关,INS、PC-Ⅲ与NO(r=-0.20,P<0.01;r=-0.11,P<0.05)呈负相关,INS与PC-Ⅲ(r=0.56,P<0.01)亦呈正相关。结论单纯高甘油三酯患者存在血管内皮功能异常、高胰岛素血症及胶原代谢异常。非诺贝特在降低甘油三酯,改善脂代谢异常的同时,亦改善胰岛素抵抗,改善内皮功能,抑制胶原合成。
出处 《社区医学杂志》 2010年第13期15-17,共3页 Journal Of Community Medicine
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