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If It Ain't Broke . . .

Is there room to improve upon the tried-and-true, decades-old technology of artificial hearts?

Written byKerry Grens
| 5 min read

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TECHNO BEAT: The complex electronics that drive Carmat’s artificial heartCARMAT

In the mid-1960s, Bud Frazier met a 19-year-old man who had traveled with his mother from Italy to Texas to receive an aortic valve replacement. Frazier was in medical school, and he remembers how happy the man was at the prospect of having a normal heart. But in the hospital the patient’s heart arrested. Doctors opened up his chest, and Frazier’s job was to reach in and massage the heart to try to jump-start its beating.

Frazier rhythmically squeezed the man’s cardiac tissue between his fingers, but couldn’t get the heart to pump on its own, and eventually Michael DeBakey—a pioneering heart surgeon who was training Frazier at Baylor College of Medicine—told his student to stop trying. “I couldn’t quit, because as long as I ...

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Meet the Author

  • kerry grens

    Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.

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