R. Moridzadeh1, M. Sadek1, C. B. Rockman1, T. Maldonado1, M. A. Adelman1, F. F. Mussa1 1New York University School Of Medicine,Division Of Vascular And Endovascular Surgery,New York, NY, USA
Introduction: Abdominal aortic aneurysms may occur independently or as a consequence of repair of abdominal aortic aneurysms (AAA). We were interested in investigating the risk factors, presentations, and outcomes of patients admitted with a diagnosis of aortic dissection and a history of AAA.
Methods: A retrospective medical record search was made of patients admitted with a diagnosis of aortic dissection between January 1, 2006 and June 30, 2013. Patients were categorized as to the type of dissection (Stanford A or B) and the presence or history of AAA. Outcome variables included death, post-operative stroke, renal failure, length of stay, and discharge to a rehabilitation facility.
Results: 124 patients were identified (n=51 type A) of which there were 8 with a history of AAA (6%). Patients presenting with a history of AAA were more likely to have a chronic dissection than patients without AAA (5 [63%] vs. 35 [30%], p = 0.025). Risk factors, presentation characteristics, type and extent of dissection repair, and outcomes did not reveal any significant differences. Subgroup analysis for Type A and Type B dissections also did not reveal differences in outcomes.
Conclusion: Patients with AAA comprise a significant proportion of patients presenting with aortic dissections. Patients with chronic aortic dissections may be more susceptible to developing AAA. However, a history of AAA does not impact presentation or outcome in either Stanford type A or B dissection.