Could a birth-tissue patch stop post-surgery heart flutter?

This early study tested whether placing a thin layer of human amniotic membrane (the tissue that surrounds a baby in the womb) on the heart during bypass surgery could reduce inflammation and lower the chance of developing atrial fibrillation (a common irregular heartbeat) after the operation. 27 adults having their first bypass surgery took part, with half receiving the membrane and half getting standard care. The main goals were to check safety and see if the membrane reduced post-surgery heart rhythm problems.