Get the latest released Naruto 569 | One Piece 652 | Bleach 479 manga chapter scans here.
Ohana will bring the bleach 479 raw and bleach 479 spoilers on tuesday while the bleach 479 English chapter scans will be available here on Wednesday, January 11, 2011.
So assuming the same here, Tsukishima lost his affect on everyone by almost dying + you see him alive "After" Orihime lost her memories of him, I'm pretty sure this is the reason, Tsukishima was still alive at this point of the chapter, even if he were to die in the next chapter, he was alive when Orihime had forgotten him.
Probably like zanpaktou's shikai / bankai's going back to normal states, I'd even eat my own hat that a near death state would have made even Aizen's ability loose it's grip on the affected people.
Assuming Aizen were to be reintroduced, he will likely be a lot less of a threat since everyone will be released from his ability, probably due to his near dead state or the fact he was completely sealed off from the remaining world for a period of time.
See you guys and enjoy reading bleach chapter 479 online.

