Saturday, December 1, 2012

An Introduction for Interstitial Nephritis Causes

Interstitial nephritis is a condition characterized by the disease of renal interstitial tissue and a kidney disorder in which the spaces between the kidney tubules become swollen. Acute interstitial nephritis is an important cause of acute renal failure resulting from immune-mediated tubulointerstitial injury, initiated by medications, infection, and other causes. Acute interstitial nephritis may be implicated in up to 15 percent of patients hospitalized for acute renal failure. Therefore, knowing the causes of Interstitial Nephritis is not only benefit for treating this disease but also preventing renal failure.
The hallmark of AIN is the infiltration of inflammatory cells within the renal interstitium, with associated edema, sparing the glomeruli and blood vessels. Interstitial fibrosis is initially sparse, but develops later in the course of the illness. Fibrotic lesions may be diffuse or patchy, beginning deep in the renal cortex, most prominently at the medullocortical junction. The inflammatory infiltrate is typically composed of mononuclear cells and T lymphocytes, with a variable number of plasma cells and eosinophils. Eosinophils may be totally absent from the infiltrate or may concentrate in small foci, forming eosinophilic microabscesses. According to its pathology, its causes include:

◆Allergic reaction to a drug (acute interstitial allergic nephritis)
◆Autoimmune disorders such as anti-tubular basement membrane disease, Kawasaki’s disease, Sjogren syndrome, systemic lupus erythematosus, or Wegener’s granulomatosis
◆Infections
◆Long-term use of medications such as acetaminophen (Tylenol), aspirin, and nonsteroidal anti-inflammatory drugs (NSAIDS). This is called analgesic nephropathy.
◆Side effect of certain antibiotics (including penicillin, ampicillin, methicillin, sulfonamide medications, and others)
◆Side effect of other medications such as furosemide, thiazide diuretics, omeprazole, triamterene, and allopurinol
◆Too little potassium in your blood
◆Too much calcium or uric acid in your blood

Knowing the causes of Interstitial Nephritis, we must prevent them in our dialy life.

1 comment:

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