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Citation Information: J Clin Invest. 1967;46(3):378-387. https://doi.org/10.1172/JCI105539.
Abstract
The role of renal ischemia in the pathogenesis of the renal failure produced by hemoglobin injection in the rat is evaluated. The data indicate that in the initial hours of this lesion renal blood flow is consistently reduced and that during its subsequent evolution blood flow rises towards normal levels, in some animals, while inulin clearance remains severely depressed. Volume expansion during the initial stage of the lesion may effect a rise in renal blood flow to normal levels with little effect on inulin clearance rate, further demonstrating the relative lack of dependence of the excretory defect on concomitant renal ischemia. These observations indicate that renal ischemia is probably a necessary factor in the initial production of the lesion; that it persists during its initial phase, up to 24 hours in most rats; and that, although it may contribute to the observed excretory defect, it is not the predominant etiologic factor.
Authors
John R. Jaenike
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