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Complications of open abdominal aortic surgery: the endovascular solution

Department of Vascular and Endovascular Surgery, Brighton and Sussex University Hospital, UK

*Corresponding author. Flat 18 Stonehaven, 37 Wickham Road, Beckenham, Kent, BR3 6LZ, UK. Tel.: +44 786 7502508; fax: +44 208 6509622.

E-mail address: elsakka{at}doctors.org.uk (K. El Sakka).

Objective: Aorto-enteric fistulas (AEFs) and para-anastomotic aneurysms (PAAs) are uncommon complications of open aortic surgery (0.5–2.5%) and (0.2–15%), respectively. AEF if untreated is often fatal and surgical management is associated with mortality up to 90%. The risk of PAA rupture carries a mortality of 58%. We present our experience in ten patients with the endovascular treatment of these complications to define the role of endovascular repair in this high-risk group. Methods: This is a retrospective review of patients presenting acutely with complications of open aortic surgery. From January 2003 to March 2006, ten patients, all males with a mean age of 73 years presented through the Accident and Emergency department and were assessed with contrast enhanced CT. Five patients presented with secondary AEFs. Three patients with PAAs. Another patient presented with a secondary mycotic aneurysm of the thoracic aorta following open repair of abdominal aortic aneurysm and finally a patient with a femoral pseudoaneurysm. The mean time from the original procedure to presentation was 50 months. All patients were offered endovascular management after stabilisation as they were deemed as high-risk surgical patients. Results: No intra-procedural complications were recorded. The in-hospital 30-day mortality was 1 (10%) patient due to multiple organ failure. One patient died six months later due to an unrelated event. The average in-hospital stay was 5.4 days; median follow-up period was 28 months. All patients were repeatedly admitted after discharge due to septic episodes for which they received IV antibiotics. Repeated cultures for all patients were only positive on four occasions. Conclusion: Endovascular stent-graft repair of AEF and PAAs is a viable alternative to open surgery. It is likely to be associated with less mortality and morbidity and in-hospital stay. It should be considered as an alternative in high-risk patients. Persistence of the infection remains a problem, however, in our experience; it can be well controlled through long-term antibiotics.

Key Words: Endovascular; Aortic; Aneurysm; Complications

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