BRAIN ISCHEMIA

This study aims to understand if COVID-19 vaccines have any impact on brain health. Researchers will use MRI scans to look at the brains of 500 healthy adults in Hong Kong, comparing scans taken before and after vaccination. The goal is to provide clear, evidence-based informatio…

This study enrolls 500 people who have had a stroke and also have atrial fibrillation (an irregular heartbeat). Researchers want to understand why some strokes happen even when patients take blood thinners. They will collect blood samples and heart ultrasound images, then follow …

This study is following 5,000 adults in Hong Kong who either have a brain disease (like stroke or dementia) or are at high risk. Researchers will collect medical records and survey data over time to identify what factors lead to brain diseases. The goal is to find ways to keep br…

This study aims to understand how a protein called BD-tau, which is released into the blood when the brain is injured, changes over time in people having a stroke. Researchers will take blood samples every hour for 48 hours from 100 adults with acute ischemic stroke. The goal is …

This study looks at four different types of anesthesia used during sinus surgery to find out which one keeps the brain safest and gives surgeons the best view. 150 adults having sinus surgery will be randomly assigned to one of four anesthesia groups. Researchers will measure bra…