【摘要】 目的 加强对无痛性主动脉夹层分离(Aortic Dissection AD)的早期诊断和鉴别诊断，减少误诊误治，改善预后。方法 对7例无痛性AD患者的病因、临床特征、误诊及处理情况进行回顾性分析。结果 病因:高血压占5例，马凡综合征占2例，特征:无疼痛、四肢血压不对称，心脏或剑突下可闻及杂音。误诊为脑血管病3例，消化道出血1例，咯血1例，心源性猝死1例。结论 本病误诊率、病死率较高，重视本病，疑诊病例及时行有关检查，可减少误诊，改善预后。

    关键词 主动脉夹层 鉴别诊断 无痛性 误诊

    Clinical analysis with7cases with painless aortic dissection

    Li Bo，Sun Fengmei

    Emergency Center，The Taian Central Hospital，Shandong271000

    【Abstract】 Objective To aim at early diagnosis and differential diagrosis of aortic dissectoin，decrease misdiˉagosis and treatment，improve prognosis.Methods The data of7patients of etiology，character，misdiagnosis and treatˉment with painless aortic dissection wer analyzed.Results In all causes of aortic dissection ......