[Diagnostic value of cystatin C in contrast-induced acute kidney injury after percutaneous coronary intervention].

Objective: To prospectively evaluate the value of cystatin C ( CysC) in diagnosis of contrast-induced acute kidney injury ( CIAKI) among patients undergoing Percutaneous Cardiovascular Intervention (PCI).

Methods: Patients who underwent PCI procedures in our hospital were enrolled. Serum creatinine (SCr) and CysC were measured at baseline before, 24 h and 48 h after PCI, respectively.