Does angioplasty offer benefit over best medical treatment and supervised exercise training in mild to moderate intermittent claudication (MIMIC) patients?

INTERVENTION: Supervised exercise therapy versus supervised exercise therapy and PTA. CONDITION: Intermittent claudication; peripheral vascular disease ; Circulatory System ; Other peripheral vascular diseases PRIMARY OUTCOME: AWD at 2 years compared to baseline. SECONDARY OUTCOME: 1. Generic and disease specific quality of life questionnaires; 2. Cost economics ; 3. Patency INCLUSION CRITERIA: 1. Patients with stable mild to moderate intermittent claudication 2. Patients satisfying the criteria of the Edinburgh Claudication Questionnaire 3. Patients suitable for aorto‐iliac or femoro‐popliteal PTA after duplex mapping or diagnostic arteriography 4. Ankle Brachial Pressure Indices (ABPI) <0.9 or >0.9 with a positive stress test i.e. a fall of >30 mmHg following a treadmill test at 4 km/h, 10 degree slope for 1 min