polyuria/necroză

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Acute tubular necrosis (ATN) presenting with an unusually prolonged period of marked polyuria heralded by an abrupt oliguric phase.

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A 50-year-old African-American man presented with acute tubular necrosis (ATN) secondary to hypotension from non-typhoid Salmonella gastroenteritis and bacteraemia. The oliguric phase lasted only 24 h followed by prolonged polyuria for 20 days, with urine output in excess of 16 L/day at maximum. As

[Neonatal renal papillary necrosis].

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Renal papillary necrosis was detected early by plasma and urine analyses in a neonate with the respiratory distress syndrome. The intravenous urogram demonstrated characteristic features of the condition. Initial symptoms were polyuria, urinary salt loss and haematuria, but the only residual

Diabetes Mellitus With Concurrent Cerebellar Degeneration and Necrosis in a Domestic Goose ( Anser anser domesticus).

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A 5-year-old sexually intact male Toulouse goose ( Anser anser domesticus) was presented for ataxia, polyuria, and polydipsia. The goose was cachectic and exhibited head tremors. Results of plasma biochemical analysis and point-of-care glucometry revealed persistent hyperglycemia. Despite supportive

[Massive natriuresis and polyuria after triple craniocervical subarachnoid hemorrhage: cerebral salt wasting syndrome?].

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A thirty-year-old male patient suffered subarachnoidal haemorrhage from an angioma positioned in the cranio-cervical transition. After rebleeding twice the patient developed a hydrocephalus internus malresorptivus and excessive natriuresis and polyuria, accompanied by depressed renin activity and

Pathophysiology of drug-induced papillary necrosis.

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Papillary necrosis, a common cause of renal failure, is a life-threatening pathophysiologic event which may have a multiplicity of mechanisms. The primary functional lesions are salt wastage, impairment of urinary concentrating ability, polyuria, and imbalances of potassium, calcium and phosphate

Tumor necrosis factor-alpha induces renal cyclooxygenase-2 expression in response to hypercalcemia.

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The effect of tumor necrosis factor-alpha (TNF) on cyclooxygenase-2 (COX-2) expression in the renal outer medulla (OM) was determined in a model of dihydrotachysterol (DHT)-induced hypercalcemia. Increases in serum calcium and water intake were observed during ingestion of a DHT-containing diet in

Splenectomy attenuates the inappropriate diuresis associated with tumor necrosis factor administration.

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Tumor necrosis factor (TNF) is an important mediator of the systemic response to gram-negative sepsis and endotoxemia. We studied the renal effects of a sublethal TNF infusion in dogs (0.54 = 10(5) international units per kilogram of body weight during a six hour period). The TNF-infused dogs (n =

Subcutaneous fat necrosis of the newborn.

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Subcutaneous fat necrosis (SCFN) is a rare fat tissue inflammation of the newborn. Risk factors include cord prolapse, perinatal asphyxia, therapeutic hypothermia, meconium aspiration, and sepsis. When present, hypercalcemia comes with lethargy, hypotonia, irritability, vomiting, polyuria,

[Subcutaneous fat necrosis of the newborn with hypercalcemia].

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BACKGROUND Hypercalcemia associated with subcutaneous fat necrosis of the newborn is a well known but rare event. METHODS A newborn with a history of cesarean section, fetomaternal infection, neurological and respiratory distress was admitted with anorexia, adynamia, vomiting, polyuria and

[Subcutaneous fat necrosis in the newborn: a risk for severe hypercalcemia].

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Hypercalcemia associated with subcutaneous fat necrosis (SCN) is a well known but rare event in the newborn. A newborn infant with a history of SCN was admitted because of anorexia, adynamia, polyuria and polydipsia at 6 weeks of age. Serum calcium was markedly increased on admission, while it was

Influence of the diabetic state on isoproterenol-induced cardiac necrosis.

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Isoproterenol-induced myocardial necrosis was examined in male mice with alloxan-induced and genetically transmitted diabetes. Ten days after alloxan treatment, mice exhibited an elevation in blood glucose concentrations, weight loss, polyuria and decreased heart rates (510 +/- 15 v. 675 +/- 11

[Polyuria].

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Beyond polyuria following psychogenic polydipsia, in a more narrow sense, this condition may be classified into impaired water re-absorption (i) due to tubular injury or (ii) relative or absolute loss of function of antidiuretic hormone (ADH). Tubular injury may be caused by different toxins

Acute renal papillary necrosis with complete bilateral ureteral obstruction in a child.

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A 9-year-old girl presented with apparent meningococcal septicemia and developed acute renal failure after 48 hours of treatment with antibiotics and analgesics. Early ultrasound scanning demonstrated mild bilateral hydronephrosis and hydroureter. Intravenous urography showed slow contrast uptake

Cisplatin and acute tubular necrosis.

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We report an unusually short lived and asymptomatic episode of severe cisplatin-induced renal tubular salt wasting in a fit 41-year-old patient with malignant teratoma. This was associated with polyuria but no significant hyponatraemia. Full recovery occurred because of early pick up, emphasizing

[Acute human and experimental poisoning with diethylene glycol].

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Although acute poisoning with ethylene glycol (EG) used in antifreeze mixtures is well known in man, only a few reports have described acute intoxication with diethylene glycol (DEG) and only one has mentioned oxaluria. Furthermore, there is no experimental evidence that DEG is metabolized into

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