Sum~nary. In search for new techniques of renal preservation, kidneys were persuf~ated in situ with gaseous 02 at a pressure of 90--100 mm Hg via their vascular system (orthograde aerobic ischemia). The results on post-isehemie function and blood flow, and on the changes in the renal tissue levels of the adenine nucleotides were compared to those obtained from kidneys ischemically stored without additional measures (anaerobic ischemia). The kidneys were stored for 4 hrs at 6°C. A contralateral nephrectomy was performed before the preservation period.All dogs subjected to renal anaerobic ischemia survived. After orthograde aerobic ischemia, 3 out of 4 dogs died from uremia within 8 days, 1 animal survived. Although the aerobic isehemic preservation resulted in the maintenance of a metabolic status characteristic for aerobiosis, post-ischemic renal function recovered too slowly and insufficiently on the average. Renal blood flow was within normal ranges after anaerobic ischemia, it was reduced to about one third of this after orthograde aerobic isehemia.

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with the cooperation of C. Freiberg, D. A m m e r m a n n , and M. BrunkePfliigers Archiv 337, 87--106 (1972) Page 88, second line from the top. The sentence reads as follow: It must be attributed to a sufficient aerobiosis in the aerobically ischemic kidney, during which organogenic substrates and substrates brought in by the initial perfusion are utilized.

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