In the present work sorne biocherrlical blood pararneters were rnesured in fifty patients on chronic hernodialysis frorn the University Hospital La Samaritana. · The lipid profile included cholesterol, triglycerides, LDL, VLDL, HDL, and protein B. The patients were classilled using the Fredrickson's scale. The statistical analysis using Student's -t- test, showed statistical signillcant differences bety¡reen control and hernodyalisispatients.