A genetically modified pig’s heart transplanted into a man who later died took longer to generate a heartbeat than typical pig and human hearts, researchers said
Pig and human hearts each have four pumping chambers—two small ones known as atria and two large ones known as ventricles.Pig and human hearts each are attached to a large artery known as the aorta as well as to a large vein known as the vena cava.
Sources: Dr. Muhammad Mohiuddin of the University of Maryland School of Medicine; Dr. Nader Moazami of NYU Langone Health; Dr. J. Darryl Ramsey, cardiovascular surgeon, retired;Erik Brynildsen and Kevin Hand/THE WALL STREET JOURNALin the gene-modified pig heart What that might mean in the future for doctors caring for patients with gene-modified pig heart transplants is uncertain, said Paul Wang, director of the Stanford Cardiac Arrhythmia Service and a professor of medicine and bioengineering at Stanford University, who examined the data but wasn’t involved in the study.
The EKG data haven’t been published or undergone an outside vetting process. They are being presented by the Maryland team at an American Heart Association annual meeting starting Nov. 5. The Maryland team said they are studying the significance of the findings and hope to gather more data in future studies.
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