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Difference between revisions of "Medical kidney diseases"
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Medical kidney diseases (view source)
Revision as of 20:02, 19 November 2011
, 20:02, 19 November 2011→Clinical: more
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=Clinical= | =Clinical= | ||
===Creatinine=== | ===Creatinine=== | ||
*The standard screening test for renal function. | *The standard screening test for renal function. | ||
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*Conversion: 1.0 mg/dL = 88.4 umol/L.<ref>URL: [http://www.sydpath.stvincents.com.au/other/Conversions/ConversionMasterF3.htm http://www.sydpath.stvincents.com.au/other/Conversions/ConversionMasterF3.htm]. Accessed on: 8 November 2010.</ref><ref>URL: [http://www.unc.edu/~rowlett/units/scales/clinical_data.html http://www.unc.edu/~rowlett/units/scales/clinical_data.html]. Accessed on: 8 November 2010. | *Conversion: 1.0 mg/dL = 88.4 umol/L.<ref>URL: [http://www.sydpath.stvincents.com.au/other/Conversions/ConversionMasterF3.htm http://www.sydpath.stvincents.com.au/other/Conversions/ConversionMasterF3.htm]. Accessed on: 8 November 2010.</ref><ref>URL: [http://www.unc.edu/~rowlett/units/scales/clinical_data.html http://www.unc.edu/~rowlett/units/scales/clinical_data.html]. Accessed on: 8 November 2010. | ||
</ref> | </ref> | ||
====Glomerular filtration rate==== | |||
*Abbreviated ''GFR''. | |||
*Ultimate measure of renal function - usually estimated from the serum creatinine using a formula. | |||
*Declines with age. | |||
*Normal range (dependent on age): 116-75 mL/min/1.73m<sup>2</sup>.<ref>URL: [http://www.kidney.org/professionals/KLS/gfr.cfm http://www.kidney.org/professionals/KLS/gfr.cfm]. Accessed on: 8 November 2010.</ref> | |||
===Urine protein to creatinine ratio=== | ===Urine protein to creatinine ratio=== | ||
*Indicator of proteinuria. | *Indicator of proteinuria. | ||
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**Hemolytic [[anemia]].<ref name=pmid3892188>{{cite journal |author=Nusinow SR, Zuraw BL, Curd JG |title=The hereditary and acquired deficiencies of complement |journal=Med. Clin. North Am. |volume=69 |issue=3 |pages=487–504 |year=1985 |month=May |pmid=3892188 |doi= |url=}}</ref><ref>URL: [http://www.google.com/url?sa=t&source=web&cd=3&sqi=2&ved=0CB0QFjAC&url=http%3A%2F%2Fwww.beckmancoulter.com%2Fliterature%2FClinDiag%2FBulletin%25209282C3_C4.pdf&rct=j&q=C3%2C%20C4%20decreased%2C%20l&ei=0evYTPLHHcX9ngfetNDzCQ&usg=AFQjCNFR26FHyAmy4lZ3tm-tLgW-oD73Zg&cad=rja beckmancoulter.com]. Accessed on: 9 November 2010.</ref> | **Hemolytic [[anemia]].<ref name=pmid3892188>{{cite journal |author=Nusinow SR, Zuraw BL, Curd JG |title=The hereditary and acquired deficiencies of complement |journal=Med. Clin. North Am. |volume=69 |issue=3 |pages=487–504 |year=1985 |month=May |pmid=3892188 |doi= |url=}}</ref><ref>URL: [http://www.google.com/url?sa=t&source=web&cd=3&sqi=2&ved=0CB0QFjAC&url=http%3A%2F%2Fwww.beckmancoulter.com%2Fliterature%2FClinDiag%2FBulletin%25209282C3_C4.pdf&rct=j&q=C3%2C%20C4%20decreased%2C%20l&ei=0evYTPLHHcX9ngfetNDzCQ&usg=AFQjCNFR26FHyAmy4lZ3tm-tLgW-oD73Zg&cad=rja beckmancoulter.com]. Accessed on: 9 November 2010.</ref> | ||
*Normal: | *Normal: | ||
**Minimal change disease. | **[[Minimal change disease]]. | ||
**Chronic pyelonephritis. | **Chronic pyelonephritis. | ||
**Renal vein thrombosis. | **Renal vein thrombosis. | ||
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===ANCA=== | ===ANCA=== | ||
Types:<ref>{{Cite journal | last1 = Kallenberg | first1 = CG. | title = Pathogenesis of ANCA-associated vasculitides. | journal = Ann Rheum Dis | volume = 70 Suppl 1 | issue = | pages = i59-63 | month = Mar | year = 2011 | doi = 10.1136/ard.2010.138024 | PMID = 21339221 }}</ref> | Types:<ref name=pmid21339221>{{Cite journal | last1 = Kallenberg | first1 = CG. | title = Pathogenesis of ANCA-associated vasculitides. | journal = Ann Rheum Dis | volume = 70 Suppl 1 | issue = | pages = i59-63 | month = Mar | year = 2011 | doi = 10.1136/ard.2010.138024 | PMID = 21339221 }}</ref> | ||
*MPO-ANCA (myeloperoxidase antineutrophil cytoplasmic autoantibody). | *MPO-ANCA (myeloperoxidase antineutrophil cytoplasmic autoantibody). | ||
**Previously p-ANCA. | **Previously p-ANCA. | ||
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*Important in monitoring of renal transplant recipients. | *Important in monitoring of renal transplant recipients. | ||
*Immunostain also available - see below. | *Immunostain also available - see below. | ||
===Other blood work=== | |||
*ANA, dsDNA -- to screen for [[systemic lupus erythematosus]]. | |||
*[[Hepatitis B]]. | |||
*[[Hepatitis C]]. | |||
*[[HIV]]. | |||
*Serum protein electrophoresis (SPEP). | |||
**Often done together with ''urine protein electrophoresis'' (UPEP). | |||
===Renal ultrasound=== | |||
*Normal adult kidney size ~10.8+/-0.8 cm.<ref name=pmid8125561>{{Cite journal | last1 = Guzman | first1 = RP. | last2 = Zierler | first2 = RE. | last3 = Isaacson | first3 = JA. | last4 = Bergelin | first4 = RO. | last5 = Strandness | first5 = DE. | title = Renal atrophy and arterial stenosis. A prospective study with duplex ultrasound. | journal = Hypertension | volume = 23 | issue = 3 | pages = 346-50 | month = Mar | year = 1994 | doi = | PMID = 8125561 }}</ref> | |||
*Good for assessing the major vessels, drainage system and parenchymal lesions. | |||
**Renal artery stenosis? | |||
**Hydronephrosis? | |||
**Pelviectasis? | |||
**Renal cyst? | |||
**Renal mass? | |||
===Urine dip=== | ===Urine dip=== | ||