It sounds like a second opinion is definitely in order and I highly recommend never taking there is nothing that can be done until you have had several opinoins. Unfortunately I do not know of anyone in your neck of the woods and I am not familiar with the Micro D procedure.
I have had 2 fusions L5/S1 and S1/S2 and a laminectomy on L5/S1.
I just wanted to say hello and give you a warm welcome to the boards. I am sure someone will respond.
If you have any other questions, please feel free to ask and we are definitely the chattest people around.