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Multilayer bare stent technique in treating intact mycotic suprarenal aortic aneurysm: a case report
Chao Song1, Qing Cai2, Yi Huang3
1Department of Vascular Surgery, Shanghai Changhai Hospital, Navy Medical University, Shanghai 200082, People's Republic of China.
Background:
Invasive aspergillosis (IA) related mycotic aortic aneurysm is rare in immunocompetent patient. The endovascular therapy remains controversial due to potential risk of graft infection, while the suprarenal cases might face catastrophic complications during open surgery.
Case Summary:
We presented an IA case with suprarenal abdominal aortic aneurysm confirmed by joint effusion. Multilayer bare stent technique was performed to preserve visceral blood flow and promote aneurysmal thrombus formation, along with antifungal treatment. Two years of follow-up revealed complete aneurysm thrombosis without evidence of infection.
Discussion:
Fungal infection that affects the aorta is difficult to recognize due to often negative blood cultures. Close observation is recommended in case of suspicion of mycotic aneurysms. Multilayer bare stent technique can restore luminal laminar blood flow and reduce the risk of infection in intact mycotic suprarenal aortic aneurysm.
