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Query: UMLS:C0022672 (acute tubular necrosis)
 2,175 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Renal involvement in AIDS may be specific or unspecific. Unspecific lesions, the most common, are usually an acute tubular necrosis produced by hemodynamic, infectious or electrolytic alterations that lead to an acute renal failure or drug nephrotoxicity. Specific lesions are segmental and focal hyalinosis, immune complex glomerulonephritis and thrombotic microangiopathy. Focal and segmental hyalinosis is observed almost exclusively in black people and produces a rapidly progressive renal failure. Lesions are a consequence of HIV stimulation of TGF beta in mesangial cells. Immune complex glomerulonephritis, formed by HIV antigens and anti HIV antibodies, is observed in white and black people. The glomerular lesion in this condition is less severe than in the former. Thrombotic microangiopathy could be a consequence of a pathogenic effect of the virus over glomerular capillaries and arterioles. It is clinically expressed as a hemolytic uremic syndrome. This paper reports briefly the renal pathological study of 46 patients infected with HIV-1, seen at the Nephrology Service of the Bichat Hospital in Paris.
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PMID:[Renal complications in HIV-1 infection]. 933 76

A 51-year-old woman with adenomyosis was admitted because of anemia with schistocytosis, thrombocytopenia, and acute renal failure (ARF). Thrombotic microangiopathy (TMA) was considered. Plasma exchange and steroid therapies improved laboratory results. However, renal biopsy specimen revealed acute tubular necrosis (ATN), but not TMA, and thrombocytopenia, diagnosed it as disseminated intravascular coagulation (DIC) but not TMA. Few cases of DIC associated with benign tumors of the uterus and, especially, adenomyosis have been reported. In adenomyosis patients, ARF is usually caused by obstructive uropathy. However, the rare case suggests that hemolytic anemia, DIC, and ARF due to ATN can occur in adenomyosis patients.
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PMID:A case of anemia with schistocytosis, thrombocytopenia, and acute renal failure caused by adenomyosis. 2200 63

Acute kidney injury (AKI) is costly and is associated with increased mortality and morbidity. An understanding of the renal physiologic changes that occur during pregnancy is essential for proper evaluation, diagnosis, and management of AKI. As in the general population, AKI can occur from prerenal, intrinsic, and post-renal causes. Major causes of pre-renal azotemia include hyperemesis gravidarum and uterine hemorrhage in the setting of placental abruption. Intrinsic etiologies include infections from acute pyelonephritis and septic abortion, bilateral cortical necrosis, and acute tubular necrosis. Particular attention should be paid to specific conditions that lead to AKI during the second and third trimesters, such as preeclampsia, HELLP syndrome, acute fatty liver of pregnancy, and TTP-HUS. For each of these disorders, delivery of the fetus is the recommended therapeutic option, with additional therapies indicated for each specific disease entity. An understanding of the various etiologies of AKI in the pregnant patient is key to the appropriate clinical management, prevention of adverse maternal outcomes, and safe delivery of the fetus. In pregnant women with pre-existing kidney disease, the degree of renal dysfunction is the major determining factor of pregnancy outcomes, which may further be complicated by a prior history of hypertension.
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PMID:Acute kidney injury in the pregnant patient. 2316 15

Snake bite is mainly an occupational hazard and causes serious health problems in rural India. Acute kidney injury (AKI) occurs in 5-30% cases. Renal pathologic findings include acute tubular necrosis, cortical necrosis, interstitial nephritis, glomerulonephritis, and vasculitis. Thrombotic microangiopathy (TMA) occurrence after a snake bite is reported rarely. Here, we present two patients who developed TMA after viper bite treated with hemodialysis and plasmapheresis. Renal biopsy showed fibrin thrombi in glomeruli and arterioles with cortical necrosis. One patient progressed to end-stage renal disease and other was lost to follow-up. TMA should be considered as a possible pathogenesis of AKI after snake bite. The role of plasma exchanges in snake bite TMA is yet to be defined.
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PMID:Thrombotic microangiopathy due to Viperidae bite: Two case reports. 2835 75