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THE JOURNAL OF CARDIOVASCULAR SURGERY
Rivista di Chirurgia Cardiaca, Vascolare e Toracica
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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ORIGINAL ARTICLES VASCULAR SECTION
The Journal of Cardiovascular Surgery 2007 Dicembre;48(6):711-7
Endovascular treatment for para-anastomotic abdominal aortic and iliac aneurysms following aortic surgery
Piffaretti G., Tozzi M., Lomazzi C., Rivolta N., Caronno R., Castelli P.
Unit of Vascular Surgery Department of Surgery University of Insubria, Varese, Italy
Aim. The aim of this study was to report our experience with endovascular repair of anastomotic aneurysms occurring after graft replacement for abdominal aortic aneurysms or aorto-iliac obstructive disease.
Methods. Between January 2000 and April 2006, 19 consecutive male patients (median age 73 years) underwent endovascular repair for 22 anastomotic aneurysms [proximal aortic (n=15), iliac (n=4), concomitant aortic and iliac (n=3)], occurring 3 months to 18 years (mean 8.6 years) after open surgery. Three patients (15.7%) underwent emergency treatment for rupture. No patient had symptoms or positive blood tests for infection of the original graft. Twelve patients were treated with a bifurcated stent-graft, 4 patients with a proximal stent-graft cuff, 2 patients with a tube iliac stent-graft, and 1 patient with a mono-iliac stent-graft.
Results. Stent-grafts were successfully deployed in all patients. Procedure-related complications or death were not observed; open conversion was never required. Median hospitalisation was 9 days (range 3-45). During a median follow-up of 16 €-months (range, 2-44) all anastomotic aneurysms maintained excluded: 4 patients (21%) died. We observed 1 major complication (5.2%): an iliac branch occlusion occurred 1 month after the procedure, successfully treated with catheter-directed thrombolysis. Overall, survival rates at 6, 12, 18 and 36-months were 92.8%, 84.4%, 72.3%, and 57.8% respectively.
Conclusion. Our experience confirms that endovascular stent-grafts can be used successfully to exclude anastomotic aortic aneurysms after open surgery. Endovascular repair seems to be effective at mid-term follow-up.