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Home News Australia

A breakthrough in protecting transplant hearts is set to save lives

byMark Bowling
28 October 2021 - Updated on 1 November 2021
Reading Time: 3 mins read
AA
A breakthrough in protecting transplant hearts is set to save lives

Ground breaking: Prof John Fraser discusses his new heart transplant method at an Assembly of Catholic Professionals event in Brisbane.

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RENOWNED medical scientist, Professor John Fraser has been busy during the global pandemic – with an Australian team of researchers devising a ground-breaking method to improve survival rates among heart disease patients.

Professor Fraser’s team at the Critical Care Research Group, that he founded, has devised a way to prolong the hearts of brain dead patients.

Speaking at an Assembly of Catholic Professionals event in Brisbane, Prof Fraser said the new method had major implications across Australia, where it might take between three and four hours to get a donor heart from say, outback Mount Isa to Brisbane where a recipient is waiting.

“Each second, cells are becoming less and less functional,” Prof Fraser said, describing the life-or-death time factor that currently restricts heart transplant surgery.

Dr John Fraser
Saving lives: Professor John Fraser.

Under current practices the donor heart is put on ice – literally in an Esky – sterilised and then transported as fast as possible to the hospital where the transplant is to take place.

“So we started thinking if we could take the heart … make it last longer,” Prof Fraser said. 

Raised and educated in Glasgow and now based in Brisbane, Prof Fraser is known for a number of innovations and collaborations across Asia and North America pushing the boundaries of medical science.

His research team has spent the last four-and-half years in the lab – an estimated 52,000 working hours – creating a model that could be compared to a heart “on ice”.

Researchers found that a heart protected in a medical “Gatorade” got the heart to work much better and protected the cells.

“We have now done seven transplants – one was done last night,” Prof Fraser said.

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Without the protection of the medical “Gatorade” he said “these hearts would not have been usable – these are recipients who would not have received a heart.” 

Prof John Fraser: “So we can give more years to their life, but probably more importantly more life to those years.”

Through their research, the CCRG team – joined by collaborators and heart transplant specialists from The Alfred (Melbourne), St Vincent’s Hospital, Sydney, The Prince Charles Hospital (Brisbane), and The Institute for Molecular Bioscience (UQ) – have succeeded in increasing the viability and availability of transplantable hearts. 

In another successful transplant operation, Prof Fraser said surgeons had transplanted a heart after a seven and a half hour journey from donor to recipient.

 “And the heart was just beautiful,” he said.

Prof Fraser estimates the new method will make 20 per cent more hearts available as transplantable hearts, while the hearts that are used will work better and for longer.

“The feeling is these hearts would last not 10 years, but 20 or 25 [years],” he said. 

“So we can give more years to their life, but probably more importantly more life to those years.”

Prof Fraser is Intensive Care Specialist at St Andrew’s War Memorial Hospital and Critical Care Research Group Director.Read an earlier article about his life and ground-breaking work here.

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Mark Bowling

Mark is the joint winner of the Australian Variety Club 2000 Heart Award for his radio news reporting in East Timor, and has also won a Walkley award, Australia’s most-respected journalism award. Mark is the author of ‘Running Amok’ that chronicles his time as a foreign correspondent juggling news deadlines and the demands of being a husband and father. Mark is married with four children.

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