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Minerva Chirurgica 2006 April;61(2):95-101


language: English

Femoral anastomotic aneurysms in the modern era: a reappraisal of a continuing challenge

Sigala F. 1, Georgopoulos S. 2, Sigalas K. 2, Alevizacos P. 1, Papalambros E. 2, Bramis J. 2, Tsigris C. 2, Bastounis E. 2, Hepp W. 1

1 Kplus Vascular Centre Haan Department of Vascular and Endovascular Surgery St. Josef Hospital Haan GmbH, Haan, Germany 2 Division of Vascular Surgery, First Department of Surgery, University Medical School Athens, Greece


Aim. Despite improvement in the operative technique and graft and suture material, femoral anastomotic aneurysms (FAAs) represent a continuing problem for patients undergoing lower extremity revascularization. The present retrospective study investigates the clinical presentation, the infection as a cause of FAAs, the interval between the original operation and the development of FAAs. It also evaluates the mortality and amputation rate of patients with FAAs.
Methods. We reviewed the records of 124 patients (thrombendarterectomy in 9, femoro-femoral bypass in 3 and axillofemoral bypass in 1).
Results. There were 13 infected and 14 recurrent FAAs. The overall mean time elapsing between the initial operation and the development of FAAs was 56.9 months (range 1-219). This interval was 62 months for the noninfected FAAs, while it was only 8 months for the infected FAAs. The mean time interval in which a recurrence of FAAs occurred was 39 months. The most common type of repair was an interposition prosthetic graft from the proximal prosthesis to the profunda femoral artery (100 cases). In the postoperative period local complications occurred in 21 (15.4%) cases and systemic in 7 (5.1%). The postoperative mortality was 3.7%. The overall survival at 1 year was 91.3% (standard error: ±2.5%) and at 2 years 85.4% (standard error: ±3.3%). Kaplan-Meier analysis showed a cumulative limb salvage of 94.2%, 93.3 % and 89.2% after 6 months, 1 and 2 years, respectively. A significant relationship was demonstrated between amputation and the following parameters: infected FAAs (Log rank test: 26.1, P-value <0.001), diabetes (Log-rank test: 12.9, P-value <0.01), peripheral arterial occlusive disease (Log-rank test: 3.1, P-value =0.08), and prior limb amputation (Log-rank test: 9.9, P-value <0.01). The mean time to amputation for the infected FAAs was 49.6 months (95% CI: 24.3-74.8), while for the noninfected it was 98.8 months (95% CI: 93.4-104.2).
Conclusion. Complicated FAAs are still responsible for significant morbidity and mortality. Elective treatment produce the maximum benefit.

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