Diagnostic angiography is sometimes inevitable in patients with estimated glomerular filtration rate (eGFR) of <30 ml/min/1.73 m2 who are not yet on dialysis. However, iodine- or gadolinium-based contrast agents pose a risk of acute kidney injury or nephrogenic systemic fibrosis, respectively [(1)][

中文翻译：

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阿魏酸增强磁共振血管造影对冠状动脉腔内评估

对于尚未进行透析的估计肾小球滤过率（eGFR）<30 ml / min / 1.73 m2的患者，有时需要进行诊断性血管造影。然而，基于碘或g的造影剂分别具有引起急性肾损伤或肾源性系统性纤维化的风险[[1]] [