Endovascular repair of ruptured abdominal aorticaneurysm(AAA)has been adopted clinically.~(1,2)It isespecially suitable for the patients who are at highsurgical risk or fulfil the technical requirements forendovascular therapy.The use of endoprostheses,however,may raise the risk of infection,as occurred inour AAA patient with Marfan syndrome who hadstent-graft infection as a result of Salmonellacholeraesuis.CASE REPORTA 57-year-old man with Marfan syndrome was admittedto our department because of severe epigastric pain for 2 Endovascular repair of ruptured abdominal aortic aneurysm (AAA) has been adopted clinically. ~ (1,2) It isespecially suitable for the patients who are at highsurgical risk or fulfil the technical requirements forendovascular therapy. The use of endoprostheses, however, may raise the risk of infection, as occurred in AAA patients with Marfan syndrome who had had graft-graft infection as a result of Salmonella choleraesuis. CASE REPORTA 57-year-old man with Marfan syndrome was admitted to our department because of severe epigastric pain for 2