Spontaneous dissection of the infrarenal abdominal aorta

Spontaneous abdominal aortic dissection treated by endovascular stent grafting: Report of a case

“…1,[11][12][13][14][15] The method of endovascular repair in infrarenal aortic aneurysms was fi rst described in 1991 and this modality was applied to the aortic dissection in 1996. 3 In 1995, stent grafts became commercially available in Europe and Australia and since then they have been frequently used for the treatment of aortic lesions.…”

“…Many reported abdominal aortic dissections have an iatrogenic and traumatic origin, while spontaneous abdominal aortic dissections are extremely rare. 1,2 Aortic dissections are usually treated by an open surgical repair; however, endovascular stent grafting for aortic lesion is gaining worldwide acceptance as a less invasive and effective treatment. [3][4][5] We herein report a case of a spontaneous aortic dissection which originated at the infrarenal aorta and extended to the iliac artery.…”

Abdominal Aortic Disease Caused by Penetrating Atherosclerotic Ulcers

“…14,21,22) This tendency is due to a decrease in elastin in the aortic wall from the chest to the abdomen. 20) However, in the abdominal aorta unlike the thoracic aorta, changes in the media such as cystic medial necrosis rarely occur, and the presence of PAU may be closely associated with the development of abdominal aortic dissection.…”

“…22) Invasive treatment such as surgery and stent grafting are indicated in acute or symptomatic cases, but course observation including periodical evaluation using imaging techniques is recommended for asymptomatic or chronic cases. 14) In our patient with isolated dissection, the course was observed, but surgery was selected due to its rapid increase after 1 year. However, there are no clear indications for surgery when isolated dissection leads to aneurysm formation, the risk of rupture is high compared with true aneurysms.…”

“…However, there are no clear indications for surgery when isolated dissection leads to aneurysm formation, the risk of rupture is high compared with true aneurysms. 10,14,22) Therefore, irrespective of the size, carefully observation is necessary.…”