Test for protein cystatin is a more accurate predictor than standard test for creatinine, especially for cardiac risk
A study at the San Francisco VA Medical Center (SFVAMC) has found that a test of kidney function that measures blood levels of cystatin C -- a protein produced by most cells in the body -- is a far more accurate predictor of mortality risk in elderly people than the current standard kidney function test, which measures levels of the protein creatinine.
In the study, led by Michael Shlipak, MD, chief of the Department of General Internal Medicine at SFVAMC, the researchers determined that the level of serum cystatin was much more accurate than serum creatinine in predicting risk of death from all causes, and from cardiovascular disease in particular. The results of the study will be published in the May 19 issue of the New England Journal of Medicine.
Steve Tokar | EurekAlert!
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