In contrast, dissections confined to the descending aorta are treated medically unless progression of dissection, intractable pain, organ malperfusion, or extra-aortic blood is demonstrated.

相反，降主动脉夹层除非存在夹层持续进展、剧烈疼痛、脏器缺血、夹层破裂出血，否则主张药物保守治疗。

youdao

Objective: To report a new surgical technique for treatment of type a dissection with intimal tears in the descending aorta.

目的：探讨合并降主动脉内膜破口的A型胸主动脉夹层的手术新方法。

youdao

This mucin stain of the wall of the aorta demonstrates cystic medial necrosis, typical for Marfan's syndrome and causes the connective tissue weakness that explains the aortic dissection.

经过粘蛋白染色的主动脉壁可见囊状中层坏死，这不仅是马凡综合征的表现，度且从动脉切面可见结缔组织薄弱，导致主动脉剥离。

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Tests carried out at the Royal Liverpool Hospital and at the cardiothoracic unit at Broadgreen showed that the 54-year-old had a problem known as dissection of the aorta, which required 11 hours of emergency open-heart surgery.

BBC: Profile: Gerard Houllier

Dr Mark Waller, the club's doctor, said the manager's chest pain had been caused by a dissection of the descending aorta.

BBC: Gerard Houllier