Peripheral vascular disease, also called peripheral artery disease, is a common circulatory problem in which narrowed blood vessels reduce blood flow to the limbs. The narrowing is typically the result of atherosclerosis — plaque accumulating within the artery walls until the channel through them is no longer wide enough to meet demand.
What it feels like
The most common symptom is leg pain with walking. Patients usually describe cramping or tightness rather than a sharp pain, and it characteristically subsides with rest. As the disease progresses, the pain can appear at rest as well — classically at night, easing when the leg is hung over the side of the bed and gravity helps the blood along.
Other symptoms are quieter and often attributed to age:
- Coldness in the legs — the affected limb feels cold even in a warm room
- Poor wound healing — cuts and sores on the legs and feet take far longer to close than they should
- Hair loss on the legs — reduced blood flow thins or eliminates hair on the shins and feet
- Erectile dysfunction — reduced pelvic arterial inflow can impair sexual function in men
- A weak or absent pulse in the foot, which a physician can detect in seconds
What raises your risk
The risk of developing PVD is substantially increased by smoking, high blood pressure, high cholesterol, diabetes and obesity. Most patients have more than one of these, and they compound rather than simply add. Diabetes deserves particular attention, both because high blood sugar damages arteries directly and because diabetic neuropathy can blunt the pain that would otherwise sound the alarm.
How it is treated
Treatment aims to improve blood flow to the limb and to reduce the risk of complications. Lifestyle modification is foundational and not negotiable: stopping smoking, eating well and walking regularly. Supervised walking programs in particular have strong evidence behind them, counterintuitive as it feels to walk into the pain.
Medications are used to manage blood pressure, cholesterol and clotting risk. Where the narrowing is significant and symptoms are limiting, procedures such as angioplasty, atherectomy or stenting can widen the artery from within, and surgical bypass remains available for anatomy that cannot be treated any other way.
Why it matters to act early
Early diagnosis and treatment of PVD are essential to prevent serious complications, including amputation, heart attack and stroke. The tests required to make the diagnosis are painless and quick. If you have symptoms of PVD — particularly leg pain with walking, coldness in one foot, or a sore that will not heal — consult a vascular specialist for proper evaluation rather than waiting to see whether it improves on its own.