Pumping cold water inside the body could help after heart attacks

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Cooling the body from the inside could reduce damage after a cardiac arrest

Suwinai Sukanant/Alamy Stock Photo

Doctors often cool down people who have had a cardiac arrest or stroke to reduce brain damage, usually with water-filled blankets. But doing this with a device that circulates cold water through a tube down the throat to the stomach may have some advantages.

In a pilot study testing the device in people who had a cardiac arrest, doctors felt it was more convenient than blankets and patients reached the target temperature within about two hours.

While the study didn’t directly compare the …

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