Kidney failure occurs when damage to the kidneys prevents them from effectively filtering waste products from the bloodstream. End stage (advanced) kidney failure must be treated with regular dialysis or a kidney transplant.
With respect to walking, the answer is complicated. Typically, yes, a patient with kidney failure can walk. However, one of the side effects of kidney failure may eventually make walking very difficult.
Normally, the kidneys remove a protein called amyloid from the blood. However, dialysis is not very efficient at removing amyloid. A condition called amyloidosis can occur. This is when amyloid protein builds up in the body, including in the joints and tendons. This can result in swelling of the joints, as well as pain and stiffness. It is conceivable that an advanced degree of amyloidosis could negatively effect a person's ability to walk with ease.
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