透析患者25-羟维生素D水平与血管钙化的相关性研究

Chinese Journal of Blood Purification(2022)

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Abstract
目的 观察透析患者25羟维生素D[25-hydroxyvitamin D,25(0H)D]及腹主动脉钙化(ab-dominal aortic calcification,AAC)情况,探讨 25(0H)D 与血管钙化(vascular calcification,VC)之间的关系.方法 选取沧州市中心医院透析患者,收集其临床化验资料、腹部侧位X线,评估AAC情况,计算腹主动脉钙化积分(abdominal aortic calcification score,AACs).Spearman相关法分析25(OH)D与ACCs的关系,Logistic回归法分析AAC的危险因素,受试者工作特征曲线(ROC)评价25(OH)D预测AAC的准确性.结果 共纳入100例透析患者,维生素D缺乏发生率为61%,AAC发生率为72%,25(0H)D与AAC程度呈负相关(r=-0.605,P<0.001).Logistic回归分析显示年龄、25(OH)D、透析方式为AAC发生的独立影响因素(OR值分别为 1.067,0.889,0.977;95%CI分别为 1.025~1.207,0.819~0.971,0.802~0.964;P值分别为 0.013,0.011,0.038).25(OH)D 的 ROC 曲线下面积为 0.721(95%CI:0.589~0.853,P=0.001),取25(0H)D浓度13.8ng/ml作为截点时,其预测AAC的敏感性为63.9%,特异性为60.7%,约登指数为0.246.结论 透析患者25(0H)D与VC呈负相关,低水平25(OH)D是VC的独立危险因素.监测透析患者25(0H)D可预测其VC风险.
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