It is obvious that Arafat has some severe illness that has already been properly diagnosed. We will not be permitted to know all the facts until billions of dollars directly controlled by Arafat (in stolen US money... Thank you Clinton and Carter) have been moved into other Swiss accounts.
Suha is currently negotiating with the second line thug/thieves who run the criminal enterprise known as the "Palestinean Authority."
If he had Aides, they'll never admit it.