There has been some research in complete exsanguination of dogs, replacing their blood with oxygenated liquid (I forget what. Flourocarbons I think?) and then bringing them back.
They tried it with pigs, and in the middle, they severely damaged the pigs, to simulate trauma, and then repaired them before they brought them back to life.
Granted, I read this in discover, not a peer reviewed journal, but its still pretty cool.