Total ear canal removal due to polpys any advice?

[Carol-loves-cats]

My five year old cat was sedated yesterday to look at some polpys in the ear and deep into canal.
He will need a complete removal of ear canal.
Yesterday I tried to keep him in after sedation. It was a nightmare. Him and his brother are very much outdoor loving cats. I have 10 rescue cats in total.
I shut him in a room overnight I had to let him out at 5am due to him been so stressed with the confinement. He was howling, trying to pull door and window open!!! Had about an hours sleep.
It worries me after the operation he will need to be kept in for around 6 weeks and head collar for 2 weeks probably! Will be done in around a months time.
Already stressed out thinking about it.
Also the effect of op?

[Crewella]

I do know of cats that have been helped byt his procedure, but I have no direct experience. I have had cats react like yours after sedation, though - some seem to go into overdrive rather than be subdued just after an anaesthetic or sedation. Hopefully he has now calmed down a little.