Scientists revive cells in dead pigs’ organs, raising questions about the definition of death

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In most countries, Dr Porte says there is a five-minute “no touch” policy after the respirator is turned off and before transplant surgeons remove organs. But, he says, “before you rush to the OR, additional minutes will pass by,” and by that time, organs can be so damaged as to be unusable. And sometimes patients do not die immediately when life support is ceased, but their hearts beat too feebly for their organs to stay healthy.