title: Primary aortoenteric fistula related to septic aortitis.
abstract: BACKGROUND
  Primary aortoenteric fistulas usually result from erosion of the bowel wall due to an associated abdominal aortic aneurysm. A few patients have been described with other etiologies such as pseudoaneurysm originating from septic aortitis caused by Salmonella.
  
  
  OBJECTIVE
  To present a rare clinical case of pseudoaneurysm caused by septic aortitis that evolved into an aortoenteric fistula.
  
  
  METHODS
  A 65-year-old woman was admitted with Salmonella bacteremia that evolved to septic aortitis. An aortic pseudoaneurysm secondary to the aortitis had eroded the transition between duodenum and jejunum, and an aortoenteric fistula was formed. In the operating room, the affected aorta and intestinal area were excised and an intestine-to-intestine anastomosis was performed. The aorta was sutured and an axillofemoral bypass was carried out. In the intensive care unit, the patient had a cardiac arrest that evolved to death.
authors.affiliation: University Hospital, Universidade de São Paulo, São Paulo, Brazil.
authors.forename: F L
authors.initials: FL
authors.lastname: Tozzi
authors.forename: E S
authors.initials: ES
authors.lastname: da Silva
authors.forename: F
authors.initials: F
authors.lastname: Campos
authors.forename: H O
authors.initials: HO
authors.lastname: Fagundes Neto
authors.forename: M
authors.initials: M
authors.lastname: Lucon
authors.forename: R M
authors.initials: RM
authors.lastname: Lupinacci
mesh_terms: D000368:Aged; D017541:Aneurysm, False / Q000150:complications*; D001011:Aorta; D001018:Aortic Diseases / Q000000981:diagnostic imaging / Q000209:etiology*; D001025:Aortitis / Q000150:complications*; D005260:Female; D006801:Humans; D007412:Intestinal Fistula / Q000000981:diagnostic imaging / Q000209:etiology; D011859:Radiography; D018805:Sepsis / Q000150:complications*; D016157:Vascular Fistula / Q000000981:diagnostic imaging / Q000209:etiology*