Thoracic Aortic Aneurysms (TAA)

胸主动脉瘤

By definition, an aneurysm is an abnormal dilation or bulging of the aorta with a diameter of at least twice the size of the non-aneurysmal aorta. Aneurysmal degeneration can occur anywhere in the human aorta.

一般来说，动脉瘤是指动脉可扩张或者膨胀，直径为非动脉瘤血管至少两倍以上。动脉瘤可以发生在身体任何部位的动脉中上海翻译公司。

The majority of aortic aneurysms occur in the abdominal aorta. These are termed abdominal aortic aneurysms (AAAs). Most AAAs are asymptomatic at the time of diagnosis. The most common complication is rupture with potential exsanguination and death. 

大多数动脉瘤发生在腹主动脉，称为腹主动脉瘤（AAAs）.大多数AAAs在确诊时没有症状。其最常见的并发症是破裂引起出血和死亡。

Aneurysmal degeneration that occurs in the thoracic aorta is termed a thoracic aneurysm. 

发生在胸主动脉断的动脉瘤称为胸主动脉瘤北京翻译公司。

Thoracic aortic aneurysms (TAAs) are subdivided into 3 groups depending on location: 

胸主动脉瘤根据发生的部位分为以下三种类型

*  Ascending aortic aneurysm – may occur anywhere between the aortic annulus and the innominate artery

升主动脉瘤— 可以发生在主动脉和无名动脉之间的任何部位。