Sunday, January 22, 2012

More about Free Radicals are possible mediators of mechanisms leading to some of the neurological symptoms of CRPS/RSD.

First suggested by Sudeck in 1942, Dutch researchers' studies supported the theory that oxygen derived free radicals are possibly the mediators of mechanisms leading to some of the neurological symptoms of CRPS. They found
  • high oxygen supply with tissue hypoxia in CRPS extremities;
  • a diminished oxygen availability to the skeletal muscle tissue affected by chronic CRPS;
  • and several deficiencies in the skeletal muscles of CRPS sufferers.
Studies in Holland have centered around free radical scavengers as treatment for CRPS. There are many ongoing studies with DMSO, NAC in Holland.

At first Sudeck's work was questioned as CRPS was generally thought to have more been generated by an overactive sympathetic nervous system. results of studies by Van der Laan and Goris, "Sudeck's syndrome. Was Sudeck right?" support his theory. This pdf is worth reading by the same authors. Clinical signs and symptoms of acute reflex sympathetic dystrophy in one hind limb of the rat, induced by fusion with a free-radical donor.

Free radicals are atoms or groups of atoms with an odd number of electrons and can be formed when oxygen interacts with certain molecules. Once formed these highly reactive radicals can start a chain reaction. Their chief danger comes from the damage they can do when they react with important cellular components such as DNA, or the cell membrane. To prevent free radical damage the body has a defense system of antioxidants.
Antioxidants are molecules which can safely interact with free radicals and terminate the chain reaction before vital molecules are damaged. Although there are several enzyme systems within the body that scavenge free radicals, the principle micro nutrient (vitamin) antioxidants are vitamin E, beta-carotene, and vitamin C. Additionally, selenium, a trace metal that is required for proper function of one of the body's antioxidant enzyme systems, is sometimes included in this category. The body cannot manufacture these micro nutrients so they must be supplied in the diet.
Vitamin E : nuts, seeds, vegetable and fish oils, whole grains (esp. wheat germ), fortified cereals, and apricots.
Vitamin C : Ascorbic acid is a water soluble vitamin present in citrus fruits and juices, green peppers, cabbage, spinach, broccoli, kale, cantaloupe, kiwi, and strawberries.
Beta-carotene is a precursor to vitamin A (retinol) and is present in liver, egg yolk, milk, butter, spinach, carrots, squash, broccoli, yams, tomato, cantaloupe, peaches, and grains. (NOTE: Vitamin A has no antioxidant properties and can be quite toxic when taken in excess.)
Research now shows that we can substantially affect the level of anti-oxidants in our bodies by eating fresh fruits and vegetables.

Google "antioxidants for crps" to learn more.

This is where my eating smart comes into it.

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