Carbon dioxide angiography during peripheral angioplasty procedures significantly reduces the risk of contrast-induced nephropathy in patients with chronic kidney disease.

2 ). Receiver operating characteristic (ROC) curve analysis identified a cut-off value of 25 mls of iodine CM as a highly significant predictor for development of CIN during peripheral arterial interventions in patients with baseline renal impairment (Odds Ratio: 6.52, 95%CI: 1.48–28.8).

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