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Rapidly progressive glomerulonephritis (RPGN) is a syndrome of the kidney that is characterized by a rapid loss of kidney function, [4] [5] (usually a 50% decline in the glomerular filtration rate (GFR) within 3 months) [5] with glomerular crescent formation seen in at least 50% [5] or 75% [4] of glomeruli seen on kidney biopsies.
As the glomerulonephritis progresses, the tubules of the kidney become infected, leading to atrophy and hyalinisation. The kidney appears to shrink. Treatment with corticosteroids is attempted if the disease progresses. [citation needed] In extremely rare cases, the disease has been known to run in families, usually passed down through the females.
Rapidly progressive glomerulonephritis - This is a syndrome of the kidney that is characterized by rapid loss of kidney function (usually >50% decline in glomerular filtration rate (GFR) within 3 months) [23] with glomerular crescent formation frequently seen on kidney biopsy.
Kidney disease results from kidney damage and subsequent decline in kidney function, says Dr. Pooja Budhiraja, a nephrologist and hypertension specialist at Mayo Clinic.
Ito S, Kuriyama H, Iino N, et al. (December 2003). "Patient with diffuse mesangial and endocapillary proliferative glomerulonephritis with hypocomplementemia and elevated anti-streptolysin O treated with prednisolone, angiotensin-converting enzyme inhibitor, and angiotensin II receptor antagonist".
The histologic pattern of injury can also provide insight into the prognosis of the glomerular disorder. Mesangial proliferation indicates a mild, though active, lesion. [8] Overall, a kidney biopsy should address the following: [8] Primary diagnosis, with clinical modifiers; Pattern of injury
Sjögren's syndrome: this autoimmune disease causes the deposit of immunocomplexes in the glomeruli, causing them to become inflamed, this is the same mechanism as occurs in systemic lupus erythematosus. HIV: the virus's antigens provoke an obstruction in the glomerular capillary's lumen that alters normal kidney function.
The severity of chronic kidney disease (CKD) is described by six stages; the most severe three are defined by the MDRD-eGFR value, and first three also depend on whether there is other evidence of kidney disease (e.g., proteinuria): 0) Normal kidney function – GFR above 90 (mL/min)/(1.73 m 2) and no proteinuria