A therapy developed in part by University Hospitals helps patients with severe vascular disease avoid amputation, according to a study published in the New England Journal of Medicine .

In the study, University Hospitals tracked 137 patients over two years who received therapy that bypasses blockages in arteries of the legs and restores blood flow in patients suffering from severe vascular disease. The procedure essentially turns a vein into an artery, returning blood back to the foot. It's meant for patients who are facing amputation with no other treatment options.

The study found that 68% of patients were able to retain their limbs two years after receiving the therapy, while 82% of their wounds were healed or were healing.

The procedure could save lives, said University Hospitals'

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