 I am Dr. Vishwanath, Consultant Nefrologist and HOD Nefrology. I am working at Manipal Hospital, Bangalore. Acute renal failure is what is also called as Acute Kidney Injury because it is called Acute Kidney Injury because most often any injury will recover. So Acute Kidney Failure also will recover. 99% of the times Acute renal failure means it is Acute renal shutdown where whatever has caused kidney failure once it gets better kidney will improve. The most common causes of Acute Kidney Failure is in an ICU sitting where blood pressures are low they have some infection where there may be significant involvement of the kidney. Once we treat it appropriately it will get better. The other most common causes of Acute Kidney Injury are significant blood loss somebody has road traffic accident loses a lot of blood or they have significant low blood pressure which may lead to Acute Kidney Failure. As I said 90 to 99% of the times Acute renal failure if it is picked up early treated appropriately can be definitely prevented and most often these individuals the kidney function get back to normal what it was in the original state. Chronic kidney disease is the one where there is a relentless progression it's a permanent kidney damage and more or less irreversible kidney damage. If you detect it early definitely we can do something to prevent.