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Home / News / Technology News / New method keeps hearts "alive" for 12 hours outside body
Technology

New method keeps hearts "alive" for 12 hours outside body

New method keeps hearts "alive" for 12 hours outside body
Written by Ramya Patelkhana
Oct 12, 2017, 12:45 am 2 min read
New method keeps hearts "alive" for 12 hours outside body

When it comes to heart transplantation, preservation time has always been a problem. Until now, hearts could be preserved outside donors' bodies for only four hours, leading to more transplant waiting-list deaths. To overcome this, Sweden's Lund University scientists developed a method to keep hearts alive for 12 hours outside the body; soon they can be preserved for at least 24 hours. Read more!

Details
New method preserves animal hearts for at least 24 hours

Researchers developed a new method for storing the heart and keep them alive for at least 12 hours. It comprises a mini heart-lung machine that supplies vital substances to the organ in an oxygenated solution while transporting. Senior Professor of Thoracic Surgery at Lund University, Stig Steen, who developed the technique, said it could potentially preserve hearts for up to several days.

Quote
Can get perfect fit for each patient: Stig Steen

Distance, preservation, and transplant time are the major issues with hearts. Steen said: "Now we say no to a lot of good hearts. With the new way, we can take hearts from theoretically the whole world. We can get the perfect fit for each patient."

New Method
Donor heart weakens after few hours of storage

Researchers said until now, donor hearts have been stored in refrigerated boxes with ice while transporting them to recipients. The old method requires the hearts to be transplanted within four hours for avoiding complications; the heart weakens after a few hours. The new system was first tested on a patient in August; the heart was kept alive outside the body for three hours.

Surgery
Preservation time to be gradually raised to 24 hours

Lund University's Johan Nilsson performed the first operation involving the new method in August with a team of three surgeons. He said, "The heart started at once with a good mobility in the whole heart, including the septum between the ventricles, which we normally do not see." Hearts preserved for up to 24 hours in this manner would be soon tested on five patients.

Quote
Can perform transplants involving hearts from all over Europe: Nilsson

Johan Nilsson stated: "This new method gives increased opportunities for exchanges with countries far away, such as between Europe and the eastern United States, and it also makes it possible to use older donors."

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Ramya Patelkhana
Ramya Patelkhana
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Ramya Patelkhana is a senior editor at NewsBytes. She has nearly seven years of experience in digital journalism and has previously worked with India News and Authint Media. She has a Bachelor's degree in Journalism and Mass Communication from the IK Gujral Punjab Technical University, Kapurthala, and an advanced diploma in Media Studies from IPW, New Delhi.
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