目的 探讨多层螺旋CT血管造影（CTA）在主动脉夹层中的诊断价值及临床应用。 方法 回顾性分析2010年2月－2011年4月35例行CTA检查的主动脉夹层患者，所有患者原始数据在图像后处理工作站采用多平面重建、容积再重建、最大密度投影等方法进行主动脉成像。由2名有经验的放射科副主任医师进行诊断。 结果 35例均可明确显示主动脉夹层的真假腔、内膜片及破裂口部位。Ⅰ型12例，Ⅱ型3例，Ⅲ型20例；累及左锁骨下动脉5例，左颈总动脉2例，无名动脉2例，腹腔干3例，肠系膜上动脉4例，左肾动脉3例，右肾动脉2例，右髂总动脉受累6例，左髂总动脉受累8例，其中双侧髂总动脉均受累4例；合并动脉瘤3例；壁内血肿4例；所有患者均显示了单一或多发破口。 结论 CTA及图像后处理技术能快速、准确地诊断主动脉夹层，为临床治疗方案选择提供重要的影像学依据。
Objective To summarize the clinical experience of capture technology in the large diameter of abdominal aortic aneurysm in endovascular repair of abdominal aortic aneurysm(EVAR). Methods We retrospectively analyzed clinical data of 6 patients with abdominal aortic aneurysm (maximum diameter of 6.0 cm or bigger) in our hospital between July 2013 and May 2014.There were 3 males and 3 females at age of 76.2(73–81) years. Two patients of ruptured abdominal aortic aneurysm, in EVAR, established orbit using the capture technology successfully. Results The capture technology made the thread through the proximal tumor neck smoothly, successful repaired. One patient of rupture of abdominal aortic aneurysm was dead after 10 hours. One patient was lost to follow-up. Four patients were followed up for 3 to 11 months. The four patients had not occurred bracket displacement, internal leakage, thrombosis, or other serious complications. Conclusion For the patients with larger abdominal aortic aneurysm, capture technology may be used to the thread through the proximal tumor neck, to build a convey or track easily, to shorten the operation time, to improve the success rate of surgery.