Welcome to NT
So sorry for what you and your family are going through. Here's some hugs for you ((())))
I don't have answers for you. I'm sure other members have more knowledge with this condition.
The "SEARCH" button above is handy.
Here is our Care Giver support forum:
http://neurotalk.psychcentral.com/forum56.html
This is a great place to come for answers and support. People here do care and understand.
I pray your sister gets better.