National Institute Of Cardiology, Laranjeiras, Brazil

This study looked at tiny blood vessels in the skin of people with resistant hypertension (high blood pressure that doesn't respond to multiple drugs). Researchers compared 111 participants to see if changes in these vessels could help predict heart risks. The goal was to find a …

This study looked at how a sedative called dexmedetomidine affects the smallest blood vessels (microcirculation) in people having gallbladder surgery. 64 adults were monitored using a special camera to see blood flow in the mouth lining. The goal was to understand if the drug imp…