Impact of the Definition Utilized on the Rate of Contrast-Induced Nephropathy in Percutaneous Coronary Intervention Jabara R et al. - In this unselected population undergoing PCI, CIN ranged in frequency from 3.3% to 10.5% depending on the definition used and was not associated with in-hospital mortality or substantial morbidity, such as dialysis. The wide variation in CIN and its lack of association with adverse outcomes underscore the need for a standardized, clinically relevant definition. [more...]