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Home > Chronic Kidney Failure > Symptoms and Complications > Urine Changes >

How Does Kidney Failure Affect the Urinary System

2013-04-02 09:42

Kidney Failure patients always experience a series of urine changes like frequent urination at night, decreased urine output, bubbly urine, blood urine and urgent urine and so on. All these symptoms are related with urinary system. Well, how does kidney failure affect the urinary system on earth?

Actually, urinary system is not an isolated organ and is composed of kidney, ureter, bladder and urethra. Kidney plays the role of filtering blood, during which blood and wastes are separated. Filtered blood flow out of kidney through renal vein and wastes flow into bladder through ureter. Finally, waste fluids are discharged out of our body through urethra. Kidney is one of the parts of urinary system, so when kidney failure is formed, urinary system is affected at the same time.

Kidney failure occurs as the final consequence of acute kidney problem and chronic kidney problem. Glomerulus and renal tubule are important kidney tissues. Glomerulus has function to filter blood and renal tubule are responsible for reabsorbing most of the nutrition and fluid filtered by glomeruli. When glomeruli is damaged, wastes can be not discharged and they pile up in the blood. This is the reason why kidney failure patients always have high toxins in blood. Besides, damaged glomeruli fail to protect protein, red blood cells and other nutrition in blood, leading to the occurrence of bubbly urine (proteinuria) and hematuria (blood urine). Decreased urine output occurs when kidneys fail to filter blood and discharge wastes. It always implies serious kidney damages. Frequent urination is closely related with dysfunction of renal tubule. We know renal tubules perform the function of reabsorbing nutritions and fluids. When renal tubule is damaged, it can not reabsorb excess fluids filtered by glomeruli, as a result of which, much more urine is generated.

Aside from affecting urinary system directly, kidney failure also may affect urinary system by causing urinary tract infection. Compared with healthy people, kidney failure patients suffer from urinary tract infection easily. With urinary tract infection, patients usually have burning and pain feeling when urinating. They may found they have frequent urge to urinate, but every time, there is a small volume of urine. Also, they can realize the strong smell of urine.

Kidney failure is a life-threatening medical condition. Aside from affecting patient’s urinary system, it also can affect patient’s digestive system, nerve system, respiratory system and cardiovascular system and so on. Therefore, having an effective prevention for kidney failure means a lot for kidney disease patients.

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