Cognitive Function, Stenosis
Conditions
Keywords
Cognitive Function, Intracranial / Carotid Stenosis
Brief summary
Through prospective registration and follow-up, this study will collect data of patients with intracranial/carotid stenosis, including clinical information, neuropsychological scales, multimodal magnetic resonance images. The investigators aim to analyze clinical and imaging characteristics of patients with cognitive impairment related to intracranial/carotid stenosis, in order to achieve early identification of cognitive impairment.
Interventions
standard medical treatment
Interventional stenting
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients aged ≥ 40 years * ≥ 50% stenosis in unilateral intracranial / carotid artery * Written informed consent available
Exclusion criteria
* Previous history of major head trauma and any intracranial surgery * Intracranial abnormalities, such as intracerebral hemorrhage, subarachnoid hemorrhage and other space occupying lesions * Extrapyramidal symptoms or mental illness which may affect neuropsychological measurement * Severe loss of vision, hearing, or communicative ability Exit Criteria: * Not meet the inclusion criteria * For any poor adherence, not comply with the requirements of the follow-up, or safety reasons determined by investigator * Any adverse or serious adverse events during the study period judged by investigator
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Changes in the scores of Mini-mental State Examination | 2 years | Total score of 30. Higher scores mean a better outcome. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Changes in cerebral glymphatic function | 2 years | assessed by non-invasive diffusion tensor image analysis along the perivascular space (ALPS-index) |
| Changes in the scores of Montreal Cognitive Assessment | 2 years | Total score of 30 |
| Changes in cerebral blood flow in the territory of the culprit artery | 2 years | — |
| Changes in the scores of Colour Trail Test | 2 years | — |
| Incidence of stroke event including ischemic and hemorrhagic stroke | 2 years | — |
| Changes in the scores of clock drawing test | 2 years | — |
| Changes in the scores of Animal Fluency Test | 2 years | — |
| Changes in the scores of Olfactory stick test | 2 years | — |
| Changes in metabonomics | 2 years | include blood and fecal samples |
| Changes in the scores of Hopkins Verbal Learning Test | 2 years | — |
Countries
China