,Risks of the procedure including risks of conscious sedation, death, cerebrovascular accident, dye reaction, need for emergency surgery, vascular access injury and/or infection, and risks of cath-based interventions were discussed in detail. 
,Risks of the procedure including risks of conscious sedation , death , cerebrovascular accident , dye reaction , need for emergency surgery , vascular access injury and/or infection , and risks of cath - based interventions were discussed in detail .