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Many patients have chronic pain on walking. Although this can be caused by
a variety of reasons, in many cases it is because of a lack of blood flow
to the legs. The most common symptoms are pain which appears after walking
a certain distance. The pain tends to occur in the same area in the leg (such
as the calf), is relieved by resting for a few minutes, and then recurs at
about the same distance when the walking is resumed. This is called "claudication".
It is also often associated with a history of smoking or diabetes. A diagnosis
can be accurately made by physical examination by a vascular surgeon and
an arterial doppler test, which is a simple blood pressure measurement at
various positions on the leg. This test can be performed in the office at
NYU Vascular Associates.
Treatment is often with exercise and medication. Occasionally, further
testing such as angiograms must be performed to pinpoint an areas of blockage
in the arteries. These blockages can then be treated by balloon angioplasty
or the placement of stents in the arteries. Depending on the nature of
the blockage, surgical bypass may be necessary.
Blockage in arteries of the legs usually causes only pain upon walking.
However, it may progress to gangrene of the toes or foot if left untreated.
If diagnosed at an early stage, preventive measures may be taken to avoid
worsening of symptoms.
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