THE FUNCTIONAL PATTERN OF THE TRANSPLANTED LIVING‐DONOR KIDNEY DURING THE EARLY POSTTRANSPLANT PERIOD

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Abstract
Renal function has been studied within the first 20 days after renal transplantation in 14 recipients who had received a kidney from a closely related living donor. There was a good correlation between blood flow measured with an electromagnetic flowmeter and ERBF calculated on the basis of PAH and 131I‐hippuran clearances. The ERPF reached 70% of the donors' bilateral preoperative ERPF during the course of 2–3 hours. However, the recipients' ERBF averaged only 70 % of the blood flow measured in the renal artery. During the course of 20 days the recipients' glomerular filtration rate increased to 67% of the donors' bilateral preoperative value. Immediately after transplantation a change in function took place, a significantly reduced filtration fraction being seen. During the course of the first 20 post transplant days the filtration fraction approached the normal range.