The aim of this study is to investigate and compare the protective effects of isotonic sodium chloride with sodium bicarbonate infusion and isotonic sodium chloride infusion with diltiazem , a calcium channel blocker , in preventing CIN .
O O O O O O O O O O O O O O O B-ChemicalEntity I-ChemicalEntity O B-ChemicalEntity I-ChemicalEntity O O O B-ChemicalEntity I-ChemicalEntity O O B-ChemicalEntity O O B-ChemicalEntity O O O O O B-DiseaseOrPhenotypicFeature O