Awe I am so very sorry to hear that he did't pull through. My heart is with you. I understand the shock and pain that you are feeling as I lost a beloved pet in recovery too. As hard as it sounds you had no choice but to try surgery... you did what you had to do to help him. Sadly it is one of the cases were he didn't make it, but you tried and did everything you could to get him help. You did the right thing for him. ... it is just a very, very, terrible heartbreaking outcome.