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Polycystic Kidney Disease& Kidney Cysts

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PKD & Kidney Cysts

Polycystic kidney disease (PKD) is a group of disorders that result from the formation and progressive enlargement of cysts in the kidneys without dysplasia, usually leading to renal failure.

Why PKD Patients Have Hypertension

2013-03-27 11:52

hyertension PKDHypertension (high blood pressure) is one common symptom of polycystic kidney disease(PKD). In the early stage of PKD, about 50% patients will have elevated blood pressure due to oppression from these multiple growing renal cysts in both kidneys. When illness conditions progress into the end stage, nearly all patients will have high blood pressure which will in turn worsen renal impairments if left untreated.

The main mechanism of high blood pressure in PKD is that the enlarged renal cysts will oppress blood vessels in the kidneys and cause inadequate blood flow to renal tissues. Receptors in the kidneys can stimulate the kidneys to secrete more renin which can cause high concentration of angiotensin and vasoconstriction, that is why blood pressure will be elevated in PKD patients.

If high blood pressure is not treated properly or timely, it can worsen renal damages. Renal fibrosis will be worse, serum creatinine level will be even higher. Deterioration of renal functions will further worsen high blood pressure and make patients fall into a vicious circle, resulting in progressive loss of kidney functions and lead to heart failure, kidney failure.

Treatments for hypertension caused by PKD is different from that for primary hypertension. The underlying cause of hypertension is renal cysts. If the continuous growth of these cysts can not be solved, conventional high blood pressure drugs can not have obvious effects.

Chinese medicines can not only treat high blood pressure but also can treat renal cysts so as to be proved to be an effective therapy for PKD and hypertension. Chinese medicines can soften and dilate blood vessels and remove blood clots and stasis so as to improve blood circulation and increase blood flow to the kidney. When renal ischemia and hypoxia are relieved, high blood pressure will be lowered naturally.

As for the renal cysts in both kidneys, Chinese medicines can increase the permeability of the cyst wall and promote the re-absorption of cyst fluid back into the surrounding blood vessels so as to shrink the cysts. It can also prevent further secretion of cyst fluid so as to much lower the recurrent rate. When renal cysts are shrunk and cyst spreading is blocked, the root cause of hypertension is solved, the curative effects can last for long time.

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