Hi, I had cervical spine fusion to C4 in 05 using donor bone. I have just been told my screws have become loose, what causes this? now i am having surgery again to fuse down to C7 with my own bone from hip and back, is this better?
there is no relation between the first surgery and the second except the location; the neck.
first time it was a higher level 4-5 now probably 5-6-7
I have no idea about the final result of the first surgery [need images]
sure your own bone will adhere more effectively to the surgical site
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