Unlabelled: No other medical field but nephrology showed so important achievements as a result of concerted efforts of doctors, biologists and technicians. Considering that in renal insufficiency, regardless of its aetiology, the common path is represented by the transitory or definite damage of the "renal filter", many attempts have been made in order to reproduce the process of blood cleaning by the kidney.
Aim: The high prevalence of cardiovascular diseases in hemodialysed population suggested that the disease could begin before or during the stage of chronic renal insufficiency.