Two of the implanted valves lasted a full year as the animals matured into adult sheep, demonstrating that it might be possible to treat children with valve replacements that grow along with them.
There is little evidence that antihypertensive drugs worsen COVID-19, and scientists are instead exploring the idea that such medications—or their downstream effects—may actually alleviate symptoms.
A clinical trial is underway to see if suspended animation, in which the body is cooled to 10–15 °Celsius, could slow patients’ decline and give doctors time to operate.
A trial to test whether so-called c-kit cardiac stem cells, first reported by Piero Anversa, could help patients with chronic heart failure has been halted in light of suspicion surrounding his work.