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Cardiovascular System

All articles tagged with #cardiovascular system

neuroscience1 year ago

"Unraveling the Development of Brain Blood Vessels"

Researchers have discovered that blood vessels in the brain develop under unique rules, involving a specific enzyme crucial for their invasion into the brain and the establishment of the blood-brain barrier. This finding challenges previous beliefs about vascular formation and offers new possibilities for targeted treatments of neurological diseases by manipulating the mechanisms governing cerebral blood vessels. The study sheds light on brain-specific angiogenesis and the role of Wnt7a/b ligands in controlling this process, providing insights into organ-specific angiogenesis mechanisms.

via Neuroscience News|
#blood-brain-barrier#brain-blood-vessels#cardiovascular-system
health2 years ago

Microplastics Detected in Human Heart Tissues Pre and Post Surgery

Microplastics have been found in the heart tissues of individuals who underwent heart surgery, according to a pilot study published in ACS' Environmental Science & Technology. The study also suggests that microplastics were unexpectedly introduced during the surgical procedures. The researchers collected heart tissue samples from 15 participants and found microplastic particles made from various types of plastic. The study highlights the overlooked route of microplastics exposure through invasive medical procedures, which provide direct access to the bloodstream and internal tissues. Further research is needed to understand the effects of microplastics on the cardiovascular system and the prognosis after heart surgery.

via EurekAlert|
#cardiovascular-system#environmental-science#health
health2 years ago

High Blood Pressure Linked to Brain Damage and Dementia, Study Shows

Researchers have identified specific areas of the brain that are potentially causally associated with high blood pressure and cognitive impairment. The study used a combination of genetic and imaging data and observational analyses from 33,000 individual records in the UK Biobank to find the damage caused by high blood pressure that contributes to dementia. The team found structural changes were primarily a consequence of a difference between systolic pressure and diastolic pressure. The results provide researchers with promising directions to continue investigations and develop new ways to treat cognitive impairment in people with high blood pressure.

via ScienceAlert|
#brain-abnormalities#cardiovascular-system#cognitive-impairment