Overview
To evaluate the accuracy of diagnosing the qualifying artery in patients with medium vessel occlusion stroke based on multimodal CT
Eligibility
Inclusion Criteria:
- Patients with acute ischemic stroke, without restrictions on gender
- Age ≥ 18 years old
- The time from onset to treatment is within 24 hours (the onset time is defined as the "last-well-time", and the treatment plan is determined according to the patient's wishes and local clinical experience)
- Before the treatment, CT, CTA and CTP examinations were conducted, and the relevant clinical data were complete.
Exclusion Criteria:
- Patients with acute intracranial hemorrhage
- Patients whose CTP original images cannot be processed by the CTP post-processing software
- Patients for whom the DICOM format image data of CT, CTP original images and MRI images cannot be obtained, or whose image quality is poor due to various reasons