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Chronic Kidney Failure

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Why Do Kidney Failure Patients Stop Passing Urine

Wastes produced in our body are normally clear away through urine, so we need to urinate regularly, so as to keep our blood clean. However, in cases of kidney failure, some patients may find they urinate less than before and some others may find they stop urinating. Why is this? Why do kidney failure patients stop passing urine?

Why Do Kidney Failure Patients Stop Passing Urine

How is urine formed?

Actually, urine is composed of the wastes and unwanted fluid in the body. Normally, blood flows through kidney and during this process, useful substances like protein and glucose are kept in the body; whereas, wastes and unwanted fluid are excreted out of the body as urine. Therefore, a healthy kidney plays a very important role for the production of urine.

Why do kidney failure patients stop passing urine?

Many conditions can affect urine volume like high fluid intake, fever and dehydration, but usually, for a healthy adult, the range for 24-hour urine volume is 800 to 2000 milliliters per day.

Kidney failure patients are easily to suffer from decrease of urine output and this is due to their impaired kidney function. Kidney servers us as a filter and when blood flows through it, wastes and unwanted fluid are removed out of the body. However, in kidney failure, kidneys can not filter blood as much as they did before, which means blood can not be filtered timely by the kidney. Under such a condition, only small amount of blood is filter and also only a small amount of fluid and wastes are excreted.

For kidney failure patients, decrease of urine output means they are losing their residual kidney function and they stop passing urine when their kidneys shut down completely. For patients who still have urine output, they still have certain chance to get kidney function improved, but for these who stop passing urine, dialysis and kidney transplant are the last two life-sustaining methods.

Tag: Kidney Failure Symptoms

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