Wow, @akc thank you so much for taking the time to help out like that while you’re recovering yourself, & for all the good info!
I think the article @Isaiah_40_31 was referring to was posted by @Chrickychricky 
Cerebral Venous-Associated Brain Damage May Lead to Anxiety and Depression - General / Research Papers - Living with Eagle
I hope that all the info you’ve been given is good food for thought @Rlr286 , & that you feel comfortable with any decisions you make about treatment/ surgery…
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