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Cardiology news

Minutes-long process could create custom blood vessel grafts during surgery

Traumatic injuries, whether on a battlefield or in a car accident, often involve damaged blood vessels that require immediate repair. New research from Harvard bioengineers aims to make these critical, time-sensitive medical ...

A lipid regulator of Sonic Hedgehog signaling may shape heart and lung development

St. Jude Children's Research Hospital scientists have uncovered a regulatory mechanism for signaling of Sonic Hedgehog (SHH), a pathway essential for embryonic development. The findings, published in Nature Communications, ...

FDA-issued sodium targets yield no apparent impact

In 2021, the U.S. Food and Drug Administration (FDA) issued Phase I voluntary sodium reduction targets to encourage manufacturers to lower the amount of sodium in packaged food products by 2024. The targets appear to have ...

Artery-on-a-chip helps predict stroke risk

Predicting an individual's risk of ischemic stroke is difficult because thrombosis embolization—the process of a blood clot detaching from the area where it formed, traveling and then sticking in another blood vessel—is based ...

Misfolded DNA blueprint: A new origin for genetic disease

Congenital heart disease is the most common birth defect, affecting approximately 1 in 100 babies born each year. One of the many causes of this disorder is having only one functional copy of the gene TBX5, rather than the ...

Why air travel can be so hard on the body

At any given time, hundreds of thousands of people are traveling by air. For many, these journeys will pass without consequence. But for some, a routine flight may trigger a health emergency.

Predicting who will develop blood clots

Blood clots that form in veins—known as venous thromboembolisms—are a leading cause of illness and death worldwide. Despite the serious threat they pose to human health, researchers have never fully understood why these clots ...

What science says so far about ketones and health

Google "what are the health benefits of ketones" and you'll get dozens of hits promising everything from epilepsy control to improved heart health to more effective muscle-building at the gym. Researchers at the University ...

How long does a transplanted heart last?

Heart transplant surgeon Raymond Lee, MD, explains what patients can expect after a heart transplant—including how long the heart will last. The average lifespan of a transplanted heart is about 10 years, though outcomes ...