One of the following is not indicated for arterial leg ulcer -

Because gravity aids the delivery of arterial blood, classically, the patient with rest pain can obtain relief by simply hanging the leg over the side of the bed. • Arterial insufficiency ulcers ischemic ulcers are mostly located on the lateral surface of the ankle or the distal digits. • Most common on distal ends of limbs. Etiology • Caused by lack of blood flow to the capillary beds of the lower extremities. • Most often endothelial dysfunction is causative factor in diabetic microangiopathy and macroangiopathy Characteristic Features • Punched-out appearance • Intensely painful • Pulses are not palpable • Associated skin changes (thin shiny skin, absence of hair, brittle nails) Diagnosis • The lesion can be easily identified clinically. • Arterial doppler and pulse volume recordings for baseline assessment of blood flow. • Radiographs may be necessary to rule outosteomyelitis. Treatment • Vascular surgery to revascularize the area. • In infection: Antibiotics + Debridement