In conclusion, CKD is a common disorder in the post-IS patients, especially after lacunar and atheromatic IS. Subjects after IS, mainly the elderly (>65 years old), in a worse functional status (mRs>2), with diabetes mellitus, should be regularly screened for CKD. In the presence of abnormalities they should be professionally treated. This would reduce the risk of subsequent cardiovascular events and delay the progression of renal dysfunction