Occlusion of the Artery to a Solitary Kidney Restoration of Renal Function After Prolonged Anuria

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Abstract
THE renal arteries are considered end arteries, and the occlusion of a main renal artery or one of its branches causes renal infarction and loss of function. We report a case in which thrombosis of the renal artery to a solitary kidney occurred, and surgical repair 48 hours after occlusion was successful in restoration of renal function. This suggests that collateral flow communicates with the renal microvasculature, and continued renal viability in cases of progressive main renal artery occlusion is possible. Report of a Case A 52-year-old white woman had a 20-year history of hypertension. In 1971, nonfunction of the right kidney was shown with renal scan. A subsequent angiogram showed no visualization of the right main renal artery. Renal vein renin activity measured by radioimmunoassay was 167 ng/ml/3 hr from the right renal vein and 74 ng/ml/3 hr from the left renal vein. Subsequently, a right nephrectomy showed that

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