Objective: The aim of this study is to test the utility os serum isoamylases and isolipases as determined from patients with renal insufficiency.
Material And Methods: Serum levels of isoamylases and isolipases were determined in a group of sixty-eight patients with renal disease, 32 of them suffering acute insufficiency and 36 with chronic renal failure undergoing regular hemodialysis, results obtained were compared from a population of 44 healthy adults. We used a new method for isolipases determination in serum based on its separation on agarose gel.