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Hunter enlarged kidney.jpg
Enlarged kidney(anatomy)
TypesGlomerulonephritis[1] and Interstitial nephritis[2]
Diagnostic methodUltrasound, X-ray[3]
TreatmentDepends on type(See type)

Nephritis is inflammation of the kidneys and may involve the glomeruli, tubules, or interstitial tissue surrounding the glomeruli and tubules.[4]



Nephritis is often caused by infections, and toxins, but is most commonly caused by autoimmune disorders that affect the major organs like kidneys.[5]


Renin-angiotensin system

Nephritis can produce glomerular injury, by disturbing the glomerular structure with inflammatory cell proliferation.[10] This can lead to reduced glomerular blood flow, leading to reduced urine output (oliguria)[11] and retention of waste products (uremia).[12] As a result, red blood cells may leak out of damaged glomeruli, causing blood to appear in the urine (hematuria).[13]

Low renal blood flow activates the renin-angiotensin-aldosterone system (RAAS), causing fluid retention and mild hypertension.[14] As the kidneys inflame, they begin to excrete needed protein from the affected individual's body into the urine stream. This condition is called proteinuria.[15]

Loss of necessary protein due to nephritis can result in several life-threatening symptoms. The most serious complication of nephritis can occur if there is significant loss of the proteins that keep blood from clotting excessively. Loss of these proteins can result in blood clots, causing sudden stroke.[16]


The diagnosis depends on the cause of the nephritis, in the case of lupus nephritis, blood tests, X-rays and an ultrasound can help ascertain if the individual has the condition.[3]


Disease burden of nephritis/nephrosis worldwide in 2004.[17]
  no data
  less than 40

Treatment (or management) of nephritis depends on what has provoked the inflammation of the kidney(s). In the case of lupus nephritis, hydroxychloroquine could be used.[18]


Nephritis represents the ninth most common cause of death among all women in the US (and the fifth leading cause among non-Hispanic black women).[19]

Worldwide the highest rates[clarification needed] of nephritis are 50-55% for African or Asian descent, then Hispanic at 43% and Caucasian at 17%.[20]

The average age of this inflammation (lupus nephritis in this case) is about 28.4 years old for an individual who has been so diagnosed with the condition[21]

See also


  1. ^ a b "Glomerulonephritis: MedlinePlus Medical Encyclopedia". Retrieved .
  2. ^ a b "Interstitial nephritis: MedlinePlus Medical Encyclopedia". Retrieved .
  3. ^ a b "American College of Rheumatology guidelines for screening, treatment, and management of lupus nephritis. | National Guideline Clearinghouse". Archived from the original on 15 September 2016. Retrieved 2016.
  4. ^ Keto Acids - Advances in Research and Application 2013 Edition p.220e
  5. ^ "Acute Nephritis; Nephrosis; Nephritic syndrome information. Patient | Patient". Patient. Retrieved 2016.
  6. ^ "Pyelonephritis: Kidney Infection". Retrieved .
  7. ^ "Lupus Nephritis". Retrieved .
  8. ^ "Nephritis Symptoms".
  9. ^ Shinton, N. K. (2007). Desk Reference for Hematology. CRC Press. ISBN 9781420005127. Retrieved .
  10. ^ "Glomerular Diseases". Retrieved .
  11. ^ "Oliguria: Background, Etiology, Epidemiology". Medscape. eMedicine. Retrieved 2016.
  12. ^ "uremia | accumulation in the blood of constituents normally eliminated in the urine that produces a severe toxic condition and usually occurs in severe kidney disease". Retrieved .
  13. ^ "Hematuria (Blood in the Urine)". Retrieved .
  14. ^ Ashar, Bimal; Miller, Redonda; Sisson, Stephen; Hospital, Johns Hopkins (2012-02-20). Johns Hopkins Internal Medicine Board Review: Certification and Recertification. Elsevier Health Sciences. ISBN 978-0323087988.
  15. ^ "Proteinuria". Retrieved .
  16. ^ Jr, Donald E. Thomas (2014-05-22). The Lupus Encyclopedia: A Comprehensive Guide for Patients and Families. JHU Press. ISBN 9781421409849.
  17. ^ "WHO Disease and injury country estimates". World Health Organization. 2009. Retrieved 2009.
  18. ^ "Hydroxychloroquine: MedlinePlus Drug Information". Retrieved 2016.
  19. ^ "Leading Causes of Death - Women's Health USA 2010". Retrieved .
  20. ^ Lerma, Edgar; Rosner, Mitchell (2012-10-28). Clinical Decisions in Nephrology, Hypertension and Kidney Transplantation. Springer Science & Business Media. ISBN 9781461444541.
  21. ^ "Lupus Nephritis: Practice Essentials, Background, Pathophysiology". 2018-04-22. Cite journal requires |journal= (help)

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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