aortoiliac occlusive disease AIOD 主髂动脉闭塞性疾病危险因素糖尿病 高血压 血脂异常 吸烟 AIOD 范围肾下主动脉 髂动脉
AIOD的影像 IMAGING OF AIOD血液成像入流和远端径流的评价 Evaluation of inflow and distal runoff 动脉疾病的存在、程度和严重程度的测定 Determination of the presence, extent and severity of arterial disease AIOD的分类与分期 Classification and staging of AIOD 血运重建策略的规划 Planning of revascularization strategy - 血管内治疗 Endovascular , , - 外科手术 surgical - 杂交手术材料 hybrid Proper access Procedural materials 超声 肥胖或肠气干扰检查 Obesity or gas interposition 髂动脉检查 Examination of iliac arteries 近端髂总动脉 Proximal CIA~80% 远端髂外动脉 Distal EIA>90% Middle ~ 25% 高度依赖操作者Highly operator dependent髂动脉检查近端中情局~ 80%远端 EIA>90%中~ 25% CT 血管造影（CTA）
 磁共振血管造影（MR Angiography- MRA） 核磁共振成像能力 MRI capabilities 【Takahashi EA 2019】- 动脉粥样硬化斑块的特征 Characterization of atherosclerotic plaque- 高度钙化动脉血管通畅的评估 Assessment of vessel patency in highly calcified arteries - 下肢灌注测量检测 Measurement of lower extremity perfusion 狭窄的敏感性/特异性> 50% Sensitivity /specificity to detect stenosis > 50% - 90%的敏感性 90% sensitivity - 100%的特异性100% specificity 优势 Advantages - 高质量的三维血管重建 High-quality 3D vascular reconstructions - 没有辐射 No radiation - 准确性不受钙化影响 Accuracy is not affected by calcification 缺点 Disadvantages - 更长的程序时间 Longer procedure time - 易感性的伪影 Susceptibility artifacts - MRI禁忌症 MRI contraindications - 钆致肾源性全身性纤维化 Gadolinium-induced nephrogenic systemic fibrosis   数字减影血管造影 （DSA）
- 暴露于电离辐射和造影剂 Exposure to ionizing radiation and contrast media - 操作并发症 Procedural complications |
