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Jul 27, 2022 · Collateral circulation is your body’s way of working around a blockage in blood flow. It’s not a foolproof way to prevent damage from conditions like stroke and PAD, or to prevent a heart attack or stroke. However, it can be helpful and possibly lifesaving in some cases.
Intermittent Claudication is caused by narrowing or blockage in the main artery taking blood to your leg (femoral artery). This is due to hardening of the arteries (atherosclerosis). The blockage means that blood flow in the leg is reduced.
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Collateral circulation is the alternate circulation around a blocked artery or vein via another path, such as nearby minor vessels.
Smaller arteries in the leg may enlarge to carry blood around the blockage in the main artery, this is called collateral circulation. Many people notice some improvement in their pain as the collateral
the leg may enlarge to carry blood around the blocked main artery. This is called ‘collateral’ circulation. If the blood supply to the legs becomes worse, the following may be found by a doctor who examines you: Poor hair growth below your knee and poor toenail growth. Cool feet. Weak or no pulses in the arteries of your feet.
The pain you experience in your legs when you walk or exercise actually stimulates your body to grow new blood vessels; this is called collateral circulation. Because of this it is important to keep repeating each of these main exercises until your leg muscles are really aching.
A blockage in the circulation can be detected by examining the pulses and blood pressure in the legs. A blockage will lead to loss of one or more pulses in the leg.