This headline is sensationalized. Only the blood flow to the brain was isolated from the rest of the body, and the brain was not removed during the procedure (it was removed post-mortem to study how the procedure affected the brain).
The main purpose of the study was to separate blood flow to the brain from the rest of the body to make it easier to test the effect of drugs on the brain, without having the rest of the body’s response to the drugs interfere with the results.
Since the process is similar to the heart lung bypass which is already used on humans during heart surgery, this research may eventually lead to better heart lung bypass methods. The current methods can cause problems in the brain for a few reasons including differing blood flow, air and particles getting into the blood, and the body’s inflammation response.
Source: PhD in this area.
Comments like this are why I like Lemmy, y’all are good people.