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首页> 外文期刊>Circulation journal >Prediction of chronic renal insufficiency after coronary angiography by an early increase in oxidative stress and decrease in glomerular filtration rate.
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Prediction of chronic renal insufficiency after coronary angiography by an early increase in oxidative stress and decrease in glomerular filtration rate.

机译:通过早期增加氧化应激和降低肾小球滤过率来预测冠状动脉造影后的慢性肾功能不全。

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BACKGROUND: Oxidative stress caused by contrast medium is thought to be one of the main mechanisms of contrast-induced acute kidney injury. A prospective study was conducted to evaluate the relationship between oxidative stress caused by contrast agent administration and long-term renal function. METHODS AND RESULTS: Thirty-six consecutive patients who underwent coronary angiography were enrolled. Urinary F2-isoprostane, a marker of oxidative stress, was measured at baseline and 24h after angiography, and serum creatinine was measured at baseline, 24h and 1 year after the procedure. The change in estimated glomerular filtration rate (eGFR) at 1 year after angiography correlated significantly with the change in eGFR at 24h after angiography (r=0.729, P<0.001). We also found a significant correlation between the increase in urinary F2-isoprostane at 24h and the decrease in eGFR at 1 year (r=0.439, P=0.022). In multivariate analysis, the decrease in eGFR at 1 year after coronary angiography correlated with the increase in F2-isoprostane at 24h after angiography as well as the decrease in eGFR at 24h after angiography (P=0.039 and P<0.001, respectively). CONCLUSIONS: Contrast-induced nephrotoxicity might be transient; however, an early decrease in eGFR and increase in oxidative stress are associated with chronic renal insufficiency. Careful long-term follow-up and adequate medical intervention are necessary for these patients.
机译:背景:造影剂引起的氧化应激被认为是造影剂引起的急性肾脏损伤的主要机制之一。进行了一项前瞻性研究,以评估服用造影剂引起的氧化应激与长期肾功能之间的关系。方法和结果:纳入了36例接受冠状动脉造影的连续患者。血管造影后在基线和24h时测定尿中的F2-异前列腺素(氧化应激的标志物),在术后24h和1年时在基线时测定血清肌酐。血管造影后1年的估计肾小球滤过率(eGFR)的变化与血管造影后24h的eGFR的变化显着相关(r = 0.729,P <0.001)。我们还发现24小时尿液中F2-异前列腺素的增加与1年时eGFR的减少之间存在显着相关性(r = 0.439,P = 0.022)。在多变量分析中,冠状动脉造影后1年eGFR的下降与造影后24h F2-异前列腺素的增加以及造影后24h eGFR的下降相关(分别为P = 0.039和P <0.001)。结论:造影剂引起的肾毒性可能是暂时性的。然而,eGFR的早期下降和氧化应激的增加与慢性肾功能不全有关。这些患者需要认真的长期随访和充分的医疗干预。

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