Repairing lungs

US researchers have successfully repaired damaged lungs which would otherwise have been rejected for organ transplant.

The need for lung transplant is predicted to rise due to the Covid-19 pandemic, but these are currently the least-used solid organ for transplant because 80% of donor lungs are too damaged to be considered.

Damaged human lungs, that were rejected for donation, were attached to a large vein of a live pig to allow blood circulation through the organ, and a mechanical ventilator.

The team from Vanderbilt University, Tennessee and Columbia University, New York, managed to extend the current six-hour window to maintain lungs outside the body to 24 hours, allowing more time for recovery.

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