Urinary Diagnostic Indices in Acute Renal Failure
作者： THOMAS R. MILLER
DOI: 10.7326/0003-4819-89-1-47
关键词: Urinary system 、 Excretion 、 Urine osmolality 、 Oliguria 、 Urine 、 Medicine 、 Creatinine 、 Urology 、 Urine sodium 、 Acute tubular necrosis 、 Internal medicine 、 General Medicine
摘要: A prospective analysis of the value urinary diagnostic indices in ascertaining cause acute renal failure was undertaken. Our results show that setting oliguria a diagnosis potentially reversible prerenal azotemia is likely with urine osmolality greater than 500 mosm/kg H2O, sodium concentration less 20 meq/litre, urine/plasma urea nitrogen ratio 8, and creatinine 40. Conversely, 350 mosm/kg, 40 meq/liter, 3, suggest tubular necrosis. significant number oliguric patients will not have fall within these guidelines. In this setting, divided by urine-to-plasma (the index) fractional excretion filtered provide reliable means differentiating from
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