Hi, this is Dr Sathya. Thanks for your question and I will try my best to help you.
Surgeries like micro vascular decompression are preferably accomplished in an University Medical Center and you may contact the dept of neurosurgery at University of Toronto at the following web link;
If you are also looking for any support groups for trigeminal neuralgia in Canada then you may try this web link;
Please ask me if there are any further questions.
Thanks for the waiting!
All the best!
If you have any additional questions, concerns or clarifications then please let me know. And if you are satisfied with my answer please accept it so that I will be credited for my expertise, time and effort put in preparing this answer.