None listed
Conditions
Interventions
None listed
Sponsors
Asan Medical Center
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: • Adults aged 19 years or older at the time of informed consent. • Patients admitted to Asan Medical Center with acute ischemic stroke attributed to intracranial atherosclerotic disease (ICAD). • Patients with =50% intracranial arterial stenosis confirmed by diagnostic MRA or CTA performed within 24 hours of symptom onset. • Patients who underwent diffusion-weighted imaging (DWI) within 24 hours of symptom onset, enabling classification of stroke subtype. • Patients (or their legally authorized representatives) who voluntarily provide written informed consent.
Exclusion criteria
Exclusion criteria: • Imaging data of insufficient quality for hemodynamic analysis. • Ischemic stroke attributable to mechanisms other than intracranial atherosclerotic disease. • Intracranial arterial stenosis caused by etiologies other than atherosclerosis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Mean velocity;Peak velocity ;Flow rate;Mean wall shear stress (WSS);Peak wall shear stress (WSS) | — |
Secondary
| Measure | Time frame |
|---|---|
| Correlation of hemodynamic parameters (mean velocity, peak velocity, flow rate, mean WSS, and peak WSS) according to anatomical vascular segments;Association between hemodynamic parameters measured at discharge and patients' clinical symptoms at discharge and clinical outcomes at 90 days after stroke onset | — |
Countries
Korea, Republic of
Contacts
Public ContactYunJeong In
Asan Medical Center
Outcome results
None listed