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Chronic Kidney Disease
Kidneys act as filter in our body, removing excess fluid, wastes & toxins from the body to keep us healthy. Functioning unit of kidney is called Nephron . There are one million nephrons in each kidney. If one kidney is damaged for any reason, other kidney enlarges in size to compensate for the work of two kidneys. In addition to filtering function, kidneys also regulate blood pressure, make red blood cells & help promote strong bones.
Chronic Kidney Disease Is defined as gradual loss of filtering function over time, usually months & years. Twenty six million American adults have CKD & many more are at risk of developing kidney disease.
Causes of CKD :: Two main causes of chronic kidney disease are diabetes & high blood pressure. These two diseases are responsible for two-thirds of the cases. As kidney disease progresses, it causes further elevation of blood pressure. High blood pressure also causes heart disease & stroke.
Other conditions that affect the kidneys are inherited diseases, such as Polycystic Kidney disease, congenital malformation of urinary tract, autoimmune diseases such as Lupus & glomerulonephritis. Some types of kidney disease such as Nephritis may cause tea color urine, flank pain, nausea/ vomiting, weakness, decreased urine output & sometimes fever.
You may have increased risk for developing kidney disease if you have Diabetes mellitus, high blood pressure, family hx of kidney disease, certain ethnic background ::: native Americans, African Americans, Hispanic Americans, Asian, pacific islanders. These groups have high rate of diabetes & high blood pressure thereby increasing their risk of kidney disease.
Diagnosis of CKD: Physical exam will give your doctor few clues such as elevated blood pressure, swelling of legs & feet. Blood tests, urine test, U/S kidneys, kidney biopsy all help in diagnosis of CKD. Sometimes you may also need an MRI to assess blood flow to kidneys. Presence of protein & blood in urine is the foremost finding towards kidney disease.
Prevention of CKD :::It is impossible to prevent kidney disease but one needs to avoid following Excessive drinking, smoking, illicit drugs, over the counter pain medications other than Tylenol. If you have diabetes & /or high blood pressure, tight controll of both diseases will help prevent faster decline of kidney function & CKD. Kidney disease also increases your risk of heart disease & high lipids.
Treatment of CKD.
Treatment of underlying disease causing CKD. If you progress to total kidney failure called End stage kidney disease, then you will need Kidney replacement therapy ie Dialysis & transplantation