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November 20, 2019 08:51 pm

Humans Placed in Suspended Animation For the First Time

Doctors have placed humans in suspended animation for the first time, as part of a trial in the US that aims to make it possible to fix traumatic injuries that would otherwise cause death. From a report: Samuel Tisherman, at the University of Maryland School of Medicine, told New Scientist that his team of medics had placed at least one patient in suspended animation, calling it "a little surreal" when they first did it. He wouldn't reveal how many people had survived as a result. The technique, officially called emergency preservation and resuscitation (EPR), is being carried out on people who arrive at the University of Maryland Medical Centre in Baltimore with an acute trauma -- such as a gunshot or stab wound -- and have had a cardiac arrest. Their heart will have stopped beating and they will have lost more than half their blood. There are only minutes to operate, with a less than 5 per cent chance that they would normally survive. EPR involves rapidly cooling a person to around 10 to 15C by replacing all of their blood with ice-cold saline. The patient's brain activity almost completely stops. They are then disconnected from the cooling system and their body -- which would otherwise be classified as dead -- is moved to the operating theatre. A surgical team then has 2 hours to fix the person's injuries before they are warmed up and their heart restarted. Tisherman says he hopes to be able to announce the full results of the trial by the end of 2020.

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