Creatinine is a waste product produced naturally by the muscles as they use energy. Healthy kidneys filter it from the bloodstream and excrete it through urine, maintaining balanced levels. When ...

Background: The aim of this study is to evaluate the association between acute serum creatinine changes in acute renal failure (ARF), before specialized treatment begins, and in-hospital mortality, ...

A mismatch between two common tests for kidney function may indicate a higher risk for kidney failure, heart disease, and death, a new study shows. Health care providers for decades have measured ...

The urinary albumin-creatinine ratio (UACR) is more strongly associated with kidney failure than the urinary protein-creatinine ratio (UPCR), according to research published online Nov. 4 in the ...

Creatinine has been, is now, and will be for the foreseeable future our easiest way to monitor kidney function. However, the inadequacies and limitations of creatinine as such a marker are well ...

Having creatinine levels in your blood above 1.2 mg/dL for males and 1.0 mg/dL for females may indicate a potential issue with your kidneys, such as an infection or kidney disease. Creatinine is a ...

New 2026 ESC guidelines recommend two kidney tests for people with heart disease: eGFR and urine albumin-to-creatinine ratio.