Potential causes of kidney failure?

Mentioned diseases, we have to fear is infectious and chronic diseases, chronic renal failure, then what is it ? Chronic renal failure is a result of a variety of chronic kidney disease worsening renal function , and regulation of secretion caused by renal excretion function decline, water and electrolyte disorders and appear in a normal diet azotemia . That whole decompensated stage renal insufficiency may be referred to as chronic renal failure. A very broad concept , and even kidney disease in itself is a chronic disease you , of course, from the point of view the course .
Renal failure is a very long process, especially chronic renal failure. Early renal failure , in addition to elevated serum creatinine is often no clinical symptoms, but only showed symptoms of the underlying disease , to the progression of the disease can not be adjusted to the residual renal unit when the body adapt to the minimum requirements will gradually manifested symptoms of kidney failure . Rely mainly on the early stages of imaging and biopsy , a larger diagnostic significance. So is kidney wraps , if not properly treated early , it is estimated could not escape the kidney .
Why would the development of kidney disease to kidney failure do better ? What factors have led to this evil it? In the initial stages of kidney failure , usually no symptoms to warn the patient's kidneys are not working properly. Sometimes even if the patient feel good , but the results of the medical examination will show some signs of suffering from kidney disease . However, when the complete loss of kidney function has been close , the physical changes and symptoms of the patient's illness will be very obvious. This is what the pros and cons of both kidneys , then unified together, it does not seem contradictory.
Why is it so troubling about kidney failure , right ! The main damage is only half of our kidneys , even after more than 60% , we can obviously feel uncomfortable , so uncomfortable which requires attention to detail , from the subtle to start preventing kidney failure , this can effectively restrain kidney failure.