There are several here on YT that have dealt with AAI. One is Vicky who has a little guy named Bleu Boy Barber.
http://www.yorkietalk.com/forums/member.php?u=26599 He had the surgery and is doing very well. He was also quite small. She has not been on since October. You might want to sent a PM. She might have it set up that her PM's show up in her e-mail. Hopefully, some others who have gone through this will see your thread. One last thing....blessings for adopting this little boy. ~Joanne~
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Joanne
Eli
Chipper
Eva
Snowboy
Rosie(R.I.P. 1996-July 29, 2013)
Cocoa(R.I.P 1998-April 26, 2012):