目的:探讨主动脉夹层的临床表现及诊治方法。方法:搜集1999年8月至2006年4月南京大学医学院附属鼓楼医院血管外科诊治的80例主动脉夹层临床资料，分析其临床特点、影像学诊断、治疗方式及效果。结果:23例行开放性手术治疗，其中死亡3例（13.0%），均死于术后并发症；52例行覆膜支架人工血管腔内隔绝术，死亡1例（1.9%），因术后夹层破裂；术前死亡3例（3.8%）；放弃治疗2例。结论:对主动脉夹层病人进行早期诊断并积极恰当的治疗是改善预后的关键。

Objective:To investigate the clinical manifestation,diagnosis and treatment of aortic dissection. Methods:According to the clinical data of continuous 80 patients with aortic dissection between August 1999 and April 2006,it analyzed the clinical characteristics,imaging diagnosis,treatment methods and outcomes. Results:Twentythree patients were treated by traditional open operations,of which 3 patients (13.0%) died of postoperative complications.Fiftytwo patients were performed endoluminal stentgraft implantation,and one patients（1.9%）died 1 day after the procedure due to false luminal rupture.No death occurred during follow up time.Additionally，3 patients （3.8%）died before operation,and 2 gave up treatment. Conclusion:The accurate diagnosis as early as possible and active therapy are the key to improve the prognosis of aortic dissection.