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Question:

What are the causes of high urea nitrogen?

Kidney damage or kidney failure can lead to higher levels of urea nitrogen. Patients are very concerned about what causes high urea nitrogen. They do not do any

Answer:

Kidney damage or kidney failure can lead to higher levels of urea nitrogen. Patients are very concerned about what causes high urea nitrogen. They do not do anything, but the urea nitrogen still increases. Let us learn something about the causes of high urea nitrogen.

1. Urea nitrogen is easily affected by urine volume and nitrogen load. Urea nitrogen would increase high when the following inductions appear: liver infection, upper gastrointestinal infection, and the excessive protein. Urea nitrogen does not necessarily rise in the early stage of uremia. It would show abnormality when GFR(detoxification capacity) is reduced to below 50%.

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2. High urea nitrogen of prerenal failure is more common in gastrointestinal bleeding, dehydration, severe burns, shock, hepatorenal syndrome, adrenal cortical dysfunction and so on.

3. Post renal high urea nitrogen is common in hydronephrosis caused by obstruction of urethra, decreasing glomerular filtration pressure. For example, urethral obstruction or bilateral ureteral stones is caused by hypertrophy of the prostate, or tumor extrusion.

If only the high level of urea nitrogen, it may be induced by excessive protein in the diet. In the case, urea nitrogen will soon be able to return to normal by changing personal eating habits, adjusting the rules of the collocation of vegetables and so on.

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