In patients with diabetes mellitus, the foot score is a useful tool for predicting the likelihood of graft patency and limb salvage for infrapopliteal revascularization. However, the relatively high bypass success rate (70%) in the presence of a high foot score (>or= 7) does not allow its use in identifying the subgroup of patients who are unlikely to benefit from bypass grafting surgery. It cannot be used as a means of selecting patients for primary amputation.

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The authors describe the case of a patient who developed a type-1 proximal endoleak 10 months after Ancure stent graft placement, despite the lack of stent migration or measurable neck dilatation. The patient had been under observation for a persistent type-2 endoleak and was noted to have an increase in his aneurysm size. The use of an uncovered stent was unsuccessful, and he required a covered proximal extension cuff. This led to a resolution of the endoleak. Implications in terms of surveillance and possible etiologies are discussed.