What BUN Levels will CKD Patient Need Dialysis

For patient with chronic kidney disease (CKD), blood urea nitrogen (BUN) is a common standard to assess patient’s kidney condition. Kidney disease will decease patient’s kidney function, and BUN level in patient’s body will rise as patient’s kidney function goes down. And at what BUN level will patient need dialysis?

What is the normal level of BUN?

BUN refers to the content of nitrogen in urea, and blood urine nitrogen is a major end product of protein, which should be filtrated out by kidney.

BUN will be filtrated out by kidney continuously, and the decomposition of protein will also produce BUN continuously, so the normal level of BUN changes in a range, and that is 9~20mg/dl.

What BUN levels will patient with CKD need dialysis?

Kidney has strong metabolic ability, and it also has strong compensation. These features of kidney lead to half kidney function will be able to guarantee our body health. That is also to say, patient with CKD will not have high BUN level caused by kidney damage unless the damaged kidney function reaches half.

As patient’s kidney function goes down due to CKD, more urea will accumulate in patient’s body and leads BUN level to rise.

In fact, many other factors can also cause BUN level to rise, but they are more likely to be contemporary. For example, strenuous exercise, much protein intake, dehydration, fever, etc, can also cause patient to have high BUN level, but BUN level will recover to normal if these problems can be solved.

If these factors can be excluded, and patient’s high BUN is due to kidney damage, BUN level of 60mg/dl will be a standard for patient to consider whether it is necessary to accept dialysis.

High BUN is just a small aspect in dealing with kidney disease, and if you have any other problems, you can email us your medical report and detailed trouble, and we will do what we can to help you.

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