Status:
UNKNOWN
Early Diagnosis for Ocular Ischemia Syndrome Using Arterial Spin Labeling Magnetic Resonance Imaging Technique
Lead Sponsor:
Beijing Friendship Hospital
Conditions:
Ocular Ischemia Syndrome
Eligibility:
All Genders
50-80 years
Brief Summary
1. To evaluate ocular blood perfusion status and the possibility of craniocerebral vascular lesions of patients with ocular ischemia syndrome (OIS) using arterial spin labeling (ASL) magnetic resonanc...
Eligibility Criteria
Inclusion
- Ocular ischemia syndrome group: Patients diagnosed with ocular ischemia syndrome;
- Age-related macular degeneration group (Control group): Patients diagnosed with age-related macular degeneration;
- Age: 50-80 years;
- Sex: all;
- Patients signed written informed consent.
Exclusion
- Fundus fluorescein angiography (FFA) clear images cannot be obtained due to refractive media problems(such as corneal leukoplakia, severe cataract, vitreous hemorrhage, etc.) ;
- Patients with contraindications for FFA;
- Patients was unable to perform magnetic resonance rmaging (MRI) test;
- Patients with history of bleeding and cerebral infarction;
- Patients with a history of surgery within 3 months;
- Patients who had participated in other clinical trials within 3 months;
- Patients who disagree and refuse to participate in the trial.
Key Trial Info
Start Date :
March 1 2019
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
March 1 2021
Estimated Enrollment :
190 Patients enrolled
Trial Details
Trial ID
NCT03863171
Start Date
March 1 2019
End Date
March 1 2021
Last Update
March 14 2019
Active Locations (1)
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1
Beijing Friendship Hospital
Beijing, Beijing Municipality, China