Preliminary study on the cerebral blood flow regulation function in migraine patients using transcranial Doppler ultrasound.

This study looked at how migraine affects blood flow in the brain. Researchers used transcranial Doppler ultrasound to measure this function. They compared migraine patients with healthy volunteers. The results showed that migraine patients had lower blood flow regulation. Specifically, they had decreased phase difference and breath-holding index values. Patients with a higher grade of right-left shunt (RLS) showed even more reduced blood flow regulation. Age also played a role; older patients had worse blood flow regulation. The study suggests that the changes in blood flow regulation could explain why migraine patients might have a higher risk of stroke. Understanding these differences is important for developing better treatments. Overall, this research helps clarify how migraines can affect brain health. It highlights the need for further studies to explore these findings in more detail. Clinical relevance: This study indicates that migraine patients may have impaired blood flow regulation, increasing their stroke risk, which could guide preventive strategies for at-risk individuals.