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J Invasive Cardiol. 2010 Oct;22(10):467-72.

The relative renal safety of iodixanol and low-osmolar contrast media in patients undergoing percutaneous coronary intervention. Insights from Blue Cross Blue Shield of Michigan Cardiovascular Consortium (BMC2).

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  • 1University of Michigan School of Medicine, Ann Arbor, Michigan, USA.


Contrast-induced acute kidney injury (CI-AKI) is a common complication of percutaneous coronary intervention (PCI). Current guidelines support the use of iodixanol (Visipaque®, GE Healthcare, Princeton, New Jersey) in patients at high risk for CI-AKI. Recent trials and meta-analyses have shown no difference in CI-AKI when iodixanol is compared to low-osmolar contrast media (LOCM). We evaluated the incidence of CI-AKI, in-hospital dialysis and in-hospital death in 58,957 patients who underwent PCI in 2007 and 2008 in a large regional consortium of 31 hospitals and who were treated with iodixanol (n = 17,814) or LOCM (n = 41,143). Propensity-matched analysis was performed to adjust for differences in baseline variables. Patients treated with iodixanol compared to those treated with LOCM were slightly older, had more medical comorbidities and a higher baseline creatinine (1.35 ± 1.07 mg/dL versus 1.10 ± 0.85 mg/dL; p < 0.0001). In propensity-matched, risk-adjusted models, there was no significant difference between iodixanol and LOCM in the risk of CIAKI (4.54% vs. 4.14%; p = 0.14), need for dialysis (0.37% vs. 0.43%; p = 0.35) or death (1.46% vs. 1.39%; p = 0.18). Among patients undergoing PCI, the use of iodixanol was more frequent in older patients with more comorbidities and worse baseline renal function. There was no difference in the adjusted risk of CI-AKI among patients treated with iodixanol compared with those treated with LOCM.

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