MMP1 and triple-A syndrome: Plenty of existing literature reports show that the MMPs mainly affect theoccurrence and development of AAA, including MMP-1, -2, -3, -9, -12 and -13 [88].Abnormal activation and expression of MMPs can not only affect the formation andprogression of AAA, but also be used to evaluate the risk of AAA rupture [89, 90]and predict the occurrence of endoleaks after endovascular aortic repair (EVAR)[91].