4 out of 106 heart replacement valves from pig hearts failed

Pig heart valves used to replace defective aortic valves in human patients failed much earlier and more often than expected, says a report from cardiac surgeons at Washington University School of Medicine in St. Louis. This is the first report to demonstrate this potential problem, the researchers say.

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<p><a href="http://www.physorg.com/news165506043.html">4 out of 106 heart replacement valves from pig hearts failed</a></p> <p>Pig heart valves used to replace defective aortic valves in human patients failed much earlier and more often than expected, says a report from cardiac surgeons at Washington University School of Medicine in St. Louis. This is the first report to demonstrate this potential problem, the researchers say.</p>