[Perioperative renal functions in patients with chronic renal disease]

Renal function was studied in patients with compensated renal failure and in those with slight renal disorder during and after operations focusing on several aggravating factors. After perioperative episodes of hypovolemia, bleeding and shock, the levels of urine beta 2 microglobulin and FENa were elevated, showing the abnormal renal tubule functions. Elevation of NAG and the decrease of Ccr were observed, showing the organic damage on the renal tubular cell and the influence on GFR. These aggravating factors should be eliminated to prevent the irreversible renal changes.