BRAIN ISCHEMIA

This study looks at 150 adults having sinus surgery to see how different anesthesia drugs affect brain safety and the surgeon's view. Patients will be randomly assigned to one of four anesthesia combinations. The goal is to find which method best protects the brain and reduces bl…

This study looks at a blood marker called BD-tau, which may show how much brain injury happens after a stroke. Researchers will take blood samples every hour for 48 hours from 100 adults who had a stroke. The goal is to learn when the marker rises and how long it stays high, whic…

This study looks at 500 people who have had a stroke and also have atrial fibrillation (an irregular heartbeat). The goal is to understand why some people still have strokes even when taking blood thinners. Researchers will collect blood samples and heart ultrasound images to fin…

This study follows 5,000 adults in Hong Kong who either have or are at high risk for brain diseases like stroke and dementia. Researchers will collect medical records, surveys, and phone interviews over many years to identify what factors lead to these conditions. The goal is to …

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…