What is the safety of CT angiography in the evaluation of patients with acute stroke?
According to a single-center experience, the safety of CT angiography in the evaluation of patients with acute stroke is generally good. A study by Ehrlich et al. found that the rate of complications, such as adverse reactions to contrast dye, were low. Furthermore, a study by Lima et al. found that functional contrast-enhanced CT for evaluation of acute ischemic stroke does not increase the risk of contrast-induced nephropathy. Additionally, Hopyan et al. found that CT angiography and perfusion imaging in the emergency evaluation of acute stroke does not have an adverse effect on renal safety.