You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Most common cause of postoperative renal failure: and explain in detail?
Decreased renal perfusion Postoperative renal failure results from many etiologies how more than 90% cases fo postoperative renal failure are due to hypovolemia and inadequate perfusion. Most common cause of postoperative renal failure is decreased renal perfusion due to hypovolemia. Hypovolemia usually results from inadequate intraoperative fluid replacement, continuing fluid sequestration by tissues (third spacing) or wound drainage or postoperative bleeding