Hypertension, aortic dilatation, and collagen disorders have all been linked to acute aortic dissection, but the inciting events, immediately preceding the tear, were unclear, according to the report in the American Journal of Cardiology for November.

• 高血压、主动脉扩张、胶原代射障碍都已与急性主动脉壁夹层形成密切相关，但是，据11月份的美国心脏病杂志报道称，人们对于主动脉壁撕裂的即刻前驱激发事件还不了解。