There are a number of reasons for the increase in the numbers waiting for a new heart. Primarily it's down to more people surviving a heart attack but living with the consequences - heart failure. Those with severe heart failure need a heart transplant to survive or have a better quality of life.
A decade ago, scientists in America discovered that a few cells in your heart, about 1 in 1,000, could divide. If we fast-forward to the present day then we're edging closer to the holy grail of mending broken hearts.
New heart statistics published this week are a welcome reminder of how far we've come in the past decade. Between 2002 and 2010, the proportion of people in the UK who die from a heart attack each year has more than halved.