updated 04/19/2010 AT 12:15 PM ET
•originally published 04/19/2010 AT 12:20 PM ET
He originally thought he could perform that night, but Bret Michaels now knows the extent of the danger he was in when he was rushed to hospital for an emergency appendectomy last week.
“They told me that if I had gone onstage like I wanted to, [my appendix] likely would have ruptured and I could have died,” the rocker and Celebrity Apprentice contestant wrote this weekend in a note to fans on his blog.
His recovery is going well, he says – but man, is he sore.