How's your court system there? Any risk of a court ordered euthanasia? Depending on her level of brain damage, she might need extensive therapy, and still might never recover. Here in the States, there's a movement well under way to exterminate people with severe cognitive disabilities.
At present the victim is in a medically induced coma and on life support. She was strangled with a belt and is rumoured to have brain damage. She has a 19 (from memory) year old daughter and 11 yr old son. Since the husband was under a restraining order he is not even allowed into the hospital. There has been nothing in the courts so far to indicate if she has any other next of kin. I would find it HIGHLY unlikely that the Australian courts would approve any form of euthanasia. It is still illegal, at least in this state.
The authorities have been very leary so far in disclosing the full extent of her condition. It is very possible that the family may decide to turn off her life support, however I don't think the courts here have any jurisdiction in that regard. I just pray that her two children are not forced to make that decision. Hopefully she has other living relatives, although there has been no mention of any :-(.
There is really no possibility of euthanasia in the near future. One Australian territory did legalise euthanasia for a time, but the Federal Parliament intervened to make it illegal again.