Apo等因素与RA患者颈动脉粥样硬化独立相关

2011-07-28 MedSci原创 MedSci原创

来源:医学论坛网   瑞典一项研究表明,载脂蛋白和抗磷酰胆碱(PC)抗体可能在类风湿关节炎(RA)患者发生亚临床动脉粥样硬化中发挥独立作用。该研究论文7月9日在线发表在《风湿病学》(Rheumatology)杂志。   该研究共纳入115例近期发生RA(症状发作后<12个月)患者,年龄平均50.6±11.2岁,68.4%女性,并在RA确诊后评估患者基线、3、12、24和60个月的病情。研究在同

来源:医学论坛网

  瑞典一项研究表明,载脂蛋白和抗磷酰胆碱(PC)抗体可能在类风湿关节炎(RA)患者发生亚临床动脉粥样硬化中发挥独立作用。该研究论文7月9日在线发表在《风湿病学》(Rheumatology)杂志。

  该研究共纳入115例近期发生RA(症状发作后<12个月)患者,年龄平均50.6±11.2岁,68.4%女性,并在RA确诊后评估患者基线、3、12、24和60个月的病情。研究在同一时间点,采用免疫浊度测量法测定载脂蛋白水平,采用ELISA法测定抗PC IgM抗体水平。此外,研究使用高分辨率B超检测RA 5年后颈(总)动脉内膜中层厚度(cIMT)和斑块发生情况。

  多变量回归分析显示,cIMT与年龄、男性、吸烟史、心血管病史、高血压糖尿病独立相关(P<0.05),而与其他基线因素无关。斑块检测与年龄和吸烟史呈正相关。校正上述因素后,纵向分析法证实,cIMT与载脂蛋白A1(apoA1)无独立预测(P=0.047),而与载脂蛋白B/载脂蛋白A1(apoB/ apoA1)比值呈正相关性(P=0.030)。研究期间apoB水平升高、apoB/ apoA1比值升高以及抗PC抗体最低三分位水平分别与双侧颈动脉斑块增加独立相关(P=0.002、0.026 0.000)。炎症/疾病相关因素的基线水平和纵向水平与研究结果无显著相关性。

 

相关链接:Longitudinal levels of apolipoproteins and antibodies against phosphorylcholine are independently associated with carotid artery atherosclerosis 5 years after rheumatoid arthritis onset—a prospective cohort study

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