Collateral Circulation to an Ischemic Kidney

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Abstract
A review of 301 consecutive abdominal arteriograms given to patients suspected of having occlusive arterial diseases was conducted. In 99 patients, 35% or more stenosis of the renal artery was demonstrated; of these, 40 showed demonstrable collaterals to the ischemic kidney. The adrenal and lumbar arteries contributed 4 times more frequently than the periureteric arteries to the collateral circulation. Characteristic ureteral notching from the periureteric artery collateral was noted in only 50% of the cases. Intrarenal collaterals were observed and appeared to contribute to the preservation of the size and function of the affected kidney.

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