Does seem to have 'long reaching ramifications that those who are thinking emotionally and not rationally are not even considering'*
(*common accusation toward those of us who do think there is a constitutional right being denied here)
Since Congress has limited their bill to Terri's case, it seems to me the only 'long reaching ramifications' that anyone, including the courts, should be condidering is the affect of their decision(s) on Terri's life, liberty, and the pursuit of happiness.
Unfortunately the default cost of inaction in her case is death by starvation.