Renal failure is the inability of the kidneys to produce urine or, failing that, the factory in a very low quality, since it has not eliminated the necessary amount of toxic waste. Despite the fact that certain people continue to urinate, in most cases and patients this is not the case. However, it should be noted that the important thing is not the quantity of the urine, but the components or the quality that said substance present. This failure in the kidneys occurs when these organs are not able to properly filter toxins and other waste substances found in the blood. From a philosophical point of view, kidney failure is described as a decrease in therenal plasma flow, which is expressed in a high presence of creatinine in the serum.
The kidneys work as a kind of "purifiers", since they are responsible for filtering and cleaning the blood. They are also responsible for making urine, which contains water, toxins and salts that the blood has collected throughout the body and that due to its content it is necessary to eliminate them from the body. In addition to the above, the kidneys are involved in other activities such as reproduction, since in addition to making urine, they also produce sex hormones; regulate the amount of phosphorus and calcium that is contained in the bones; level the tension in the blood vessels; and they make substances that are involved in blood clotting.
This pathology occurs in the individual when only 5 percent of the total filters that the kidney or nephrons have works. The latter is the basic unit of the kidney, and it should be noted that each kidney has approximately 1 million nephrons, each of which is composed of a component that acts as a filter, the glomerulus, and a transport system, which is termed as tube.
On the other hand, it is important to note that renal failure is classified into two types: on the one hand, there is acute renal failure, which can be reversible, and secondly, there is chronic renal failure that is characterized by evolving as time passes.
