Background
Contrast induced nephropathy (CIN) has been proven as a clinical condition related with adverse cardiovascular outcomes. However, relationship between CIN and stent restenosis (SR) remain unclear. In this study, we aimed to investigate the association of CIN with SR rates after primary percutaneous coronary intervention (PCI) and bare metal stent (BMS) implantation.
Methods
Patients who had undergone primary PCI for STEMI and had a control angiogram during follow-up were retrospectively recruited. Subjects were categorized into two groups; as patients who developed CIN (CIN+) and patients who did not develop CIN (CIN-) during hospitalization. Contrast induced nephropathy was defined as either a 25% increase in serum creatinine from baseline or 0.5 mg/dL increase in absolute value, within 72 hours of intravenous contrast administration.
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