BUN, short for blood urea nitrogen, is one of indicators to reflect how well your kidneys are working. High BUN level is always associated with different degree of kidney damage. In medicine, it can be used to reflect which stage you are in. Here, let’s have a look at this passage.
Actually, BUN is the end product of protein metabolism. Normally, extra urea is mainly discharged by the healthy kidneys. Just like creatinine, in the early stage of kidney disease, BUN level can be kept within the normal range. Generally speaking, when the glomerular filtration rate decreases to 50% or even low, the concentration of blood urea nitrogen begins to raise. Therefore, BUN level can not be a index for early stage of kidney disease. But for Chronic Kidney Failure patients, the levels of BUN are consistent with the severe degree of illness condition.
Stage 1 kidney disease: GFR ≥90ml/min, BUN normal
Stage 2 kidney disease: 60ml/min ≤GFR ≤89ml/min, BUN 7.14~8.39mmoL/L
Stage 3 kidney disease: 59m/min ≤GFR ≤30ml/min, BUN 7.14~8.39mmoL/L
Stage 4 kidney disease: 29ml/min ≤GFR ≤15ml/min, BUN 8.39~21.42mmoL/L
Stage 5 kidney disease: GFR ≤14ml/min, BUN≥ 21.42mmoL/L
Through the above analysis, we can see that different levels of BUN can reflect the different stages of kidney disease. Well then, how to reduce high BUN level for kidney disease patients?
1. Limit intake of protein intake
2. Ingest food contain vitamin B and vitamin C
If you have any difficulty in dealing with kidney diseases with high BUN level, please feel free to contact us: email to email@example.com or leave a message below directly. You also can talk with our online doctors for an individualized treatment.
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