Sex differences and the role of anemia in contrast-associated acute kidney injury after percutaneous coronary intervention.

Many, though not all, studies suggest that contrast-associated acute kidney injury (CA-AKI) after percutaneous coronary intervention (PCI) rates are higher in women. The authors sought to clarify the presence of and factors contributing to possible sex differences. Among 2971 consecutive patients undergoing PCI, women experienced higher crude rates of CA-AKI.