2014年9月29日星期一

High Blood Pressure and Kidney Disease Interact

It is said by experts that at present there are more than 90 million people in China who are suffering from kidney disease, 30% of whom are caused by high blood pressure. In addition, there are more and more young people who are suffering from high blood pressure. So we can also say, high blood pressure and kidney disease is a pair of partner, which interact each other and even lead to a vicious circle.
In normal condition, 19% of blood in afferent arterioles is filtrated into renal tubules by renal glomeruli, thus forming original urine. 99% of original urine can be reabsorped by renal tubules into blood circulation, which can maintain the balance of body infusion. In this way, the waste things are discharged, and the blood content is also maintained balanced relatively. Once there is lesion in the kidney, the blood circulation will be blocked, and the blood flow in the kidney will decrease, which can activate some factors which can increase the blood pressure in the body such as renin and so on. These factors can lead to the whole arteriolospasm and increased resistance of arteriole, thus causing increased high blood pressure. In addition, once kidney is damaged, it can not discharge out the sodium and water, which leads to the retention of water and sodium, thus increasing the blood content and increased high blood pressure. In a world, kidney plays an important role in adjusting the metabolism of water and sodium and in secreting materials which can activate the blood vessels. Materials which can increase the retention of water and sodium increase, and those which can lead the blood vessels to shrink decrease, so the rate of high blood pressure increase accordingly.
What’s more, kidney is also a main organ which is influenced by high blood pressure. Long time high blood pressure can lead the inner pressure in the capsule of renal glomeruli to increase, cause fibrosis of renal glomeruli, which will finally develop into renal failure. At present, in the treatment of high blood pressure, there are some wrong ways.

Firstly, when people have high blood pressure, they go to Shijiazhuang Kidney Disease hospital but only test whether the heart functions well. They do not go to have a test of renal function such as urine test and blood test. So the damage of kidney is usually ignored.

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