Hospitals have been using ice tables for a long time.
Also, during open heart surgery I believe they chill the blood with the bypass machine and pack ice around the heart.
So this new therapy doesn’t seem too out of the ordinary except for the use of saline.
“So this new therapy doesn’t seem too out of the ordinary except for the use of saline.”
I am certain I read about Russia using this method on heart surgery many years ago. I think you are correct, this is a variation with saline.