Hi My Uncle Is In Hospital And He Has Had

Hi my uncle is in hospital and he has had a quadruple heart bypass and is in the cicu but they have now found a problem with his lungs so they might be putting a pipe in his throat to help him breathe, at the minute he is on oxygen and the hospital have him full sedated.I would just like to know your opinion on wether you think he will be ok and how long the recovery might be ?
Thank you