[Screening and care of chronic renal insufficiency in the elderly population].

The prevalence of chronic renal insufficiency (CRI) increases with age. This growth shall result in it becoming a public health issue for the most elderly In this age group, chronic renal insufficiency primarily stems from diabetes and vascular and glomerular origins. The limiting point is the assessment of the glomerular filtration rate which remains imprecise. Care aims to limit the development of renal insufficiency and to prevent its complications, which are sources of fragility.