The heart condition causes tiredness, chest pain and breathing problems on Freyre was going to need a heart transplant.

The 14 year old expected to have to wait two years for the procedure, but it ended up being just two months the static that I got such an amazing gift over hot, but is also upsetting to know that someone also died for air received a new heart thanks to pioneering technology which capitalizes on harvesting hearts from a range of donors.

Usually the vital organ is taken from patients who are brain dead, but their hearts are still beating.

But a new procedure first on at a hospital in Cambridge in 2015 retrieved adult donor hearts have been allowed to stop beating on their own.

After life support has been withdrawn, a special device is able to then restart the heart and ensure it is healthy before it is transplanted into a patient.

Initially, the procedure was only available toe adults in need of transplants, but the Royal Papworth Hospital has since teamed up with Great Ormond Street Hospital to ensure Children could also benefit from it.

Transplant surgeon Maris Bergman says more lives have been saved in the other world.

We double the amount off heart transplantation and we reduced the waiting time period and we had to do exactly the same thing for the pediatric recipients at the same time for both population to reduce the mortality in the waiting list.

And this is what we achieve.

Frayer is one of six British youngsters to have received a new heart using the procedure.

Only four others have been carried out worldwide.