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The notion of early intervention to prevent ongoing treatment "causing" long term disability is not a reasonable idea. Every patient who sustains a significant event, be it a cardiac arrest on the street, or bacterial meningitis, or acute loss of consciousness, etc, falls within the category of possible long term disability. You cannot advocate for a "hands off" approach "in case they do survive and end up chronically disabled".
The new technologies (and even the old) have the potential to prolong and support lives that would otherwise not survive. The result of intervention is unknown: some do well, some don't and some die. To withold life sustaining treatment in the relatively acute setting (and this is not heroic treatment, but ordinary treatment) is euthanasia ... but always making sure to be compassionate and understanding and bringing everyone along with you! It's a compassionate wolf in sheep's clothing.