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'''Uremia''' is a term used to loosely describe the illness accompanying [[renal failure | kidney failure]]. In kidney failure, [[urea]] and other waste products, which are normally excreted into the urine, are retained in the blood. Early symptoms include anorexia and lethargy, and late symptoms can include decreased mental acuity and coma. It is usually diagnosed in [[kidney dialysis]] patients when the [[glomerular filtration rate]], a measure of kidney function, is below 50% of normal.<ref>{{cite journal | author = Meyer TW and Hostetter, TH| title = Uremia| journal = N Engl J Med | volume = 357 | issue = 13 | pages = 1316 | year = 2007 | id = PMID 17898101}} [http://content.nejm.org/cgi/content/full/357/13/1316 Full text].</ref> | '''Uremia''' is a term used to loosely describe the illness accompanying [[renal failure | kidney failure]]. In kidney failure, [[urea]] and other waste products, which are normally excreted into the urine, are retained in the blood. Early symptoms include anorexia and lethargy, and late symptoms can include decreased mental acuity and coma. It is usually diagnosed in [[kidney dialysis]] patients when the [[glomerular filtration rate]], a measure of kidney function, is below 50% of normal.<ref>{{cite journal | author = Meyer TW and Hostetter, TH| title = Uremia| journal = N Engl J Med | volume = 357 | issue = 13 | pages = 1316 | year = 2007 | id = PMID 17898101}} [http://content.nejm.org/cgi/content/full/357/13/1316 Full text].</ref> | ||
Revision as of 05:23, 28 September 2012
For patient information page, click here
| Uremia | |
 | |
|---|---|
| Urea | |
| ICD-10 | R39.2 |
| ICD-9 | 585-586, 788.9 |
| DiseasesDB | 26060 |
| MeSH | D014511 |
Template:Uremia Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Uremia is a term used to loosely describe the illness accompanying kidney failure. In kidney failure, urea and other waste products, which are normally excreted into the urine, are retained in the blood. Early symptoms include anorexia and lethargy, and late symptoms can include decreased mental acuity and coma. It is usually diagnosed in kidney dialysis patients when the glomerular filtration rate, a measure of kidney function, is below 50% of normal.[1]
Azotemia is another word that refers to high levels of urea, but is used primarily when the abnormality can be measured chemically but is not yet so severe as to produce symptoms. Uremia can also result in fibrinous pericarditis. There are many dysfunctions caused by uremia affecting many systems of the body, such as blood (lower levels of erythropoietin), Sex (lower levels of testosterone/oestrogen) and bones (osteoperosis and metastatic calcifications).
Causes
Besides renal failure, the level of urea in the blood can also be increased by:
- increased production of urea in the liver, due to:
- high protein diet
- increased protein breakdown (surgery, infection, trauma, cancer)
- gastrointestinal bleeding
- drugs (e.g. tetracyclines and corticosteroids)
- decreased elimination of urea, due to:
- decreased blood flow through kidney (e.g. hypotension, cardiac failure)
- urinary outflow obstruction
- dehydration
See also
ar:بولينا
da:Uræmi
de:Urämie
id:Uremia
it:Uremia
no:Uremi
sv:Uremi