Ketamine treatment experiences

I'm considering Ketamine IV treatment for my depression and persistent suicidal thoughts. My psychiatrist is really wanting me to do this. It's a lot of money and time commitment for someone to drive me, 4 hours each way for a 40min treatment, at least 6x over 2 or 3 weeks. But the alternative is miserable and could be fatal.

So, I'm looking for other medication resistant people who have tried this. I've tried dozens of antidepressants over 20 years, and the last 5 have become increasingly darker.