It was this syndrome which meant he couldn't receive a heart transplant, causing doctors in Rome to insert the 4cm-long electrically-activated hydraulic pump "heart' in his left ventricle. A plug behind his left ear and battery attached to his belt powers the heart, which will gift him another 20 - 25 years of life that he wouldn't have had without this operation.
If you compare the unnamed boy's 90g heart with the first-ever artificial heart from 1969, you can see just how far the medical world has progressed in those 41 years. The photo above shows the first-ever artificial heart, which was placed inside a man's heart for 64 hours, while he waited for a donor heart. [Telegraph and Daily Mail]
Thought this was interesting.