The Cardio-Ankle Vascular Index Predicts Long-Term Kidney Prognosis in Nondiabetic CKD Patients Who Underwent Kidney Biopsy.
Akihiro Shimizu, Hideo Okonogi, Tetsuya Kawamura, Shinya Yokote, Masahiro Suyama, Kentaro Koike, Yoichi Miyazaki, Nobuo Tsuboi, Masato Ikeda, Takashi Yokoo
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心踝血管指数预测接受肾活检的非糖尿病慢性肾病患者的长期肾脏预后。
背景:心踝血管指数(CAVI)是一种无创动脉硬度指数,与测量时的血压无关。虽然CAVI作为心血管事件预测因子的作用已被报道,但很少有研究考虑肾脏预后。本研究探讨了行肾活检的非糖尿病性慢性肾病患者CAVI与长期肾脏预后的关系。方法:本研究是一项纵向、观察性、单中心研究,研究对象是在肾活检时测量CAVI的1-4期慢性肾脏疾病患者,随访≥1年。主要结局是肾小球滤过率(eGFR)较基线或终末期肾病估计下降30%。结果:46例患者,平均年龄53岁;中位eGFR为61.5 mL/min/1.73 m2;中位随访期为98个月)。18例患者达到了主要结局,较高的CAVI与该结局显著相关。多变量分析一致认为CAVI是与结果相关的独立因素。经受试者工作特征曲线分析,CAVI的截止值为7.7(灵敏度78%;特异性,79%)。Kaplan-Meier分析显示,CAVI≥7.7组的无预后生存率显著低于CAVI组。结论:在非糖尿病性慢性肾病患者中,肾活检时的CAVI与长期肾脏预后独立相关。
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