Computed tomographic angiography (CTA) is recommended for identifying eligible patient with acute ischemic stroke (AIS) to receieve endovascular treatment. We are going to conduct this prospective corhot study to observe if sequential use contrast in CTA examination and in endovascular treatment will cause acute kidney injury.
- Radiopaque Media Drug
ARM 1: Kind: Experimental Label: CTA Description: Patients with AIS only receieved cerebral CTA exam. ARM 2: Kind: Experimental Label: CTA+DSA Description: Patients with AIS receieved cerebral CTA, followed by endovascular treatment with the guidence of digital substration angiography (DSA).
All patients who are suspected with AIS. Non-contrast head CT excludes intracranial hemorrhage. Patients who receieve CTA or CTA+DSA will be included in this study.
|Type||Measure||Time Frame||Safety Issue|
|Primary||Creatinine||within 24h to 48h|