Abstract
WHETHER or not a kidney with renal-artery occlusion would function after restoration of its major blood supply has not been known. Experimentally, Page,1 using the dog, was able to ligate the renal artery without producing kidney necrosis. Clinically, others2 3 4 have demonstrated that kidney dysfunction due to incomplete occlusion of the renal artery can be significantly improved by suitable vascular procedures, which increase its blood supply.If the kidney with occluded renal artery remains viable through collateral circulation, relieving the obstruction should restore its function. Time did not allow this hypothesis to be tested in the laboratory before an attempt to . . .

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