2014年9月22日星期一

High blood pressure dangers: Hypertension's effects on your kidney

High blood pressure (hypertension) not only bother people in daily life, but also can damage your body if you leave it alone. High blood pressure can cause a series of complications such as heart disease, kidney disease and others. Today let us have a look that how dose high blood pressure cause kidney disease.

Damage to your kidneys

Kidney artery aneurysm. An aneurysm is a bulge in the wall of a blood vessel. When it occurs in an artery leading to the kidney, it's known as a kidney (renal) artery aneurysm. One potential cause is atherosclerosis, which weakens and damages the artery wall. Over time, high blood pressure in a weakened artery can cause a section to enlarge and form a bulge — the aneurysm. Aneurysms can rupture and cause life-threatening internal bleeding.

Your kidneys filter excess fluid and waste from your blood — a process that depends on healthy blood vessels. High blood pressure can injure both the blood vessels in and leading to your kidneys, causing several types of kidney disease (nephropathy). Having diabetes in addition to high blood pressure can worsen the damage.

Kidney failure. High blood pressure is one of the most common causes of kidney failure. That's because it can damage both the large arteries leading to your kidneys and the tiny blood vessels (glomeruli) within the kidneys. Damage to either makes it so your kidneys can't effectively filter waste from your blood. As a result, dangerous levels of fluid and waste can accumulate. You might ultimately require dialysis or kidney transplantation.

Kidney scarring (glomerulosclerosis). Glomerulosclerosis is a type of kidney damage caused by scarring of the glomeruli . The glomeruli are tiny clusters of blood vessels within your kidneys that filter fluid and waste from your blood. Glomerulosclerosis can leave your kidneys unable to filter waste effectively, leading to kidney failure.


Now, you must have a clear idea about the relationship between high blood pressure and kidney disease, so people with high blood pressure must pay more attention to their blood pressure and control their blood pressure. Kidney disease patients also should treat their disease timely, preventing the bad circle of high blood pressure and kidney disease.

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