Researchers from Friedrich Schiller University (Jena, Germany) and Heinrich-Heine-University (Düsseldorf, Germany) teamed up to test whether a heart failure medication that is currently being tested might also improve blood flow in the brain. Their findings were published last month in the American Journal of Physiology, Heart and Circulatory Physiology.
According to the study authors, the small blood vessels in the brains of sheep closely resemble those in the human brain. Using imaging techniques, they were able to track blood flow in the brain before and after administration of the vasodilator Serelaxin. Their results showed an impressive 150% increase in blood flow to the cortical brain areas within 15 minutes of administering the drug. The cortex of the brain is the outer gray layer important in our perceptions (vision, taste, hearing, sensations, understanding language, etc - see image below). Additional studies would be needed to determine whether the drug can restore blood flow following a stroke as well as whether the drug is effective at improving cortical blood flow in humans.
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Since starting a new drug to slow my heart my brain is
foggier than usual
Would a drug used to slow the heart affect the circulation of
blood to the brain
I'm betting Dr. Dolittle doesn't want to give medical advice online, but you might want to ask Dr. Google about "beta blockers and cognitive impairment".