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Common causes of ATN include low blood pressure and use of nephrotoxic drugs. [2] The presence of "muddy brown casts" of epithelial cells found in the urine during urinalysis is pathognomonic for ATN. [3] Management relies on aggressive treatment of the factors that precipitated ATN (e.g. hydration and cessation of the
ATN symptoms may also be similar to those of post-herpetic neuralgia, which causes nerve inflammation when the latent herpes zoster virus of a previous case of chicken pox re-emerges in shingles. Fortunately, post-herpetic neuralgia is generally treated with medications that are also the first medications tried for ATN, which reduces the ...
Interstitial nephritis is uncommon (<1% incidence) in patients without any symptoms but occurs in about 10-15% of hospitalized patients with acute kidney injury of unknown cause. [2] While it can occur in patients of all ages, it is more common in elderly patients, perhaps due to increased exposure to drugs and other triggering causes. [2]
The scarring of the small blood vessels, called capillary sclerosis, is the initial lesion of analgesic nephropathy. [7] Found in the renal pelvis, ureter, and capillaries supplying the nephrons, capillary sclerosis is thought to lead to renal papillary necrosis and, in turn, chronic interstitial nephritis.
Intrinsic renal causes of AKI include glomerulonephritis, lupus nephritis, acute tubular necrosis, certain antibiotics, and chemotherapeutic agents. [5] Postrenal causes of AKI include kidney stones, bladder cancer, neurogenic bladder, enlargement of the prostate, narrowing of the urethra, and certain medications like anticholinergics. [5]
Acute tubular necrosis (ATN) involves damage to the tubules of the kidney, and can be a complication in individuals with cirrhosis, because of exposure to toxic medications or the development of decreased blood pressure. Because of the damage to the tubules, ATN affected kidneys usually are unable to maximally resorb sodium from the urine.
A 29-year-old man’s debilitating night terrors were the first sign of rare autoimmune disorder that rapidly progressed, landing him in the intensive care unit in a “catatonic state.” Ben ...
Renal cortical necrosis (RCN) is a rare cause of acute kidney failure.The condition is "usually caused by significantly diminished arterial perfusion of the kidneys due to spasms of the feeding arteries, microvascular injury, or disseminated intravascular coagulation" and is the pathological progression of acute tubular necrosis. [1]
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