Pathologic _'s symptom of blood vessel hypertension of kidney

Pathologic _'s symptom of blood vessel hypertension of kidney
Blood vessel hypertension of kidney is produced because it causes the renin that ischemic - angiotensin - aldosterone axle is activated. Suffer from the kidney and release the renin because the blood flow pours into reducing, the renin impels the angiotensin reason to transform into the blood vessel tensely and plainly, the blood vessel is tense and plain and is transformed into enzyme and transforms angiotensin 2 by angiotensin. Angiotensin 2 is a kind of strong vasoconstrictor, angiotensin 2 (A2) Can also stimulate the renal gland to secrete the aldosterone, thus sodium retention appears.
Kidney arterial occlusion very single side of disease or dual sides have illness coming on, or happen to the only kidney patient, because the pathologic physiology of the different kinds of kidney blood vessel hypertension is different. In one pair of kidney modes (a pair of kidney, a kidney pincers inserting type) China, it causes water and sodium retention that the ischemic kidney releases the renin, but the normal kidney of offside will present pressure diuresis and arrange sodium, thus it is balanced to make the patient shoulder sodium in fact, have further increased renin release.
In the single kidney mode (single kidney, single kidney pincers inserting type) China, without impact on kidney of side, thus has prevented the lose of sodium, the volume of extracellular fluid increases to make the renin activity of blood restrained, this kind of patient's blood pressure raises and mainly results from the reason that humoral and excessive. Narrow patient's situation of one pair of renal arteries is similar to it.
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