Dilated Perivascular Spaces in the Dentate Nucleus on MRI in Patients with Hypertensive Angiopathy or Cerebral Amyloid Angiopathy

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

72 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-04-01

Study Completion Date

2025-12-31

Brief Summary

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Hypertensive arteriopathy (HA) and cerebral amyloid angiopathy (CAA) are the two most common forms of cerebral small vessel disease. On MRI, chronic small vessel disease-related abnormalities include white matter hyperintensities, dilated perivascular spaces (DPVS), lacunar infarction, and hemorrhagic features (e.g. cerebral microbleeds, CMB). In the cerebellum, deep CMB involving the dentate nucleus (DN) is associated with HA, whereas the presence of superficial cerebellar CMB are associated with CAA. DPVS are observed in both diseases, predominant in the subcortical white matter (especially in the centrum semiovale) in CAA whereas HA-related DPVS are predominant deep in the brain inside or nearby the basal ganglia.

To the best of our knowledge, DN-DPVS have never been studies systematically in small vessel disease. The researchers want to study DN-DPVS on T2-weighted 3T MRI in patients with HA or CAA and to compare both groups.

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Detailed Description

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Conditions

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Hypertensive Arteriopathy Cerebral Amyloid Angiopathy

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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CAA

Patients with cerebral amyloid angiopathy

No interventions assigned to this group

HA

Patients with Hypertensive arteriopathy

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Patient registered in the CHU de Nîmes (France) stroke database with lobar intracerebral hemorrhage \[ICH\], subarachnoid hemorrhage or cortical superficial siderosis for CAA or basal ganglion ICH for HA
* Patient managed at the CHU de Nîmes (France) between 01/1/2015 and 31/12/2024
* Patient with T2-weighted MRI performed with a 3T magnet