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Last updated: 11/24/2009
The five year survival rate for all lower extremity amputees is less than 50%. For diabetic amputees, the rate is less than 40%. Up to 50% of people who have one leg amputated because of diabetes will lose the other within five years. Amputees who...
walk using a prosthesis have a less stable gait. Three to five percent of these people fall and break bones because of this instability. Although the fractures can be treated, about half the amputees who suffer them then remain wheelchair bound.
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As the title implies, this video describes how muscles work. It shows the anatomy of the muscle in relation to bone but also the structure of muscle at the microscopic level.
In an above-the-knee amputation, three incisions are made (A). First the skin and muscle layers are cut (B). The major blood vessels are clamped and severed (C). The bone is cut with a special saw (D). Finally, the muscles are stitched over the bone, and the skin is closed over the wound (E). (Illustration by GGS Inc.)
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Amputation is the removal of a body extremity by trauma or surgery. As a surgical measure, it is used to control pain or a disease process in the affected limb, such as malignancy or gangrene. In some cases, it is carried out on individuals as a preventative surgery for such problems. A special case is the congenital amputation, a congenital disorder, where foetal limbs have been cut off by constrictive bands. In some countries, amputation of the hands or feet is or was used as a form of punishment for people who committed crimes. Amputation has also been used as a tactic in war and acts of terrorism. In some cultures and religions, minor amputations or mutilations are considered a ritual accomplishment. Unlike many non-mammalian animals (such as lizards that shed their tails), once removed, human extremities do not grow back. A transplant or a prosthesis is the only option for recovering the loss.
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Orthopedic complaints are the most common reason to seek medical care.
From: About.com
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