An Australian man lived with a titanium artificial heart for more than 100 days before receiving a real heart.

The man lived with the device for more than three months until he underwent surgery to receive a donated human heart ... device in the real world, says Joseph Rogers, a heart-failure cardiologist ...

Using real human heart tissue samples, the research team confirmed the model’s predictions. The findings are particularly significant given the staggering number of heart cells affected by fibrosis.