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Occlusion or severe stenosis of pedal and plantar arteries limits surgical options for critical limb ischaemia (CLI). Below-the-ankle (BTA) angioplasty is potentially useful as an adjunct to proximal angioplasty. In this study, the feasibility and outcome of this procedure were explored, as they have not been evaluated previously.

Patients' demographics, indications, procedures and outcomes were recorded. Outcomes were determined by technical success, primary patency, limb salvage and amputation-free survival (AFS) rates.

Between 2004 and 2008, 42 cases of BTA angioplasty were performed for 39 patients. Forty cases (95.2%) had CLI. Technical success was achieved in 88% of cases. At 6, 12 and 24 months, AFS was 70.7%, 60.9% and 57.1%, limb salvage was 84.9%, 81.9% and 81.9% and patient survival was 83.3%, 73.8% and 67.3, respectively. Seven major amputations (16.6 …