| 1. Clinically probable vascular dementia |
|---|
| (1) Dementia meets the diagnostic criteria of DSM-IV-R. (2) Diagnosis of cerebrovascular disease: supported by clinical and imaging findings. (3) Dementia is closely related to cerebrovascular disease, occurring within 3 months after stroke and lasting for more than 6 months; or cognitive impairment suddenly worsens, fluctuates, or progresses stepwise. (4) Supporting the diagnosis of vascular dementia: ① Uneven cognitive impairment (patchy damage); ② Relatively intact personality; ③ Fluctuating course, with a history of multiple strokes; ④ May present with gait disturbances, pseudobulbar palsy, etc.; ⑤ Presence of risk factors for cerebrovascular disease. |
| 2. Possible vascular dementia |
| (1) Meets the above diagnostic criteria for dementia; (2) Has cerebrovascular disease and focal neurological signs; (3) Dementia may be related to cerebrovascular disease, but there is insufficient evidence in terms of time or imaging. |
| 3. Confirmed vascular dementia |
| Clinical diagnosis of probable or possible vascular dementia, confirmed by autopsy or biopsy showing no more than age-related neurofibrillary tangles (NFTs) and senile plaques (SP), and other histological features of degenerative diseases. |
| 4. Exclusionary diagnosis (excluding dementia caused by other reasons) |
| (1) Consciousness disorders; (2) Dementia caused by other neurological diseases (such as Alzheimer's disease, etc.); (3) Dementia caused by systemic diseases; (4) Mental diseases (such as depression, etc.). |
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