I know a lot of people with cervical fusions, some very successful and some much less than successful. A single-level cervical fusion is a good operation with good outcomes. Even so, for me, I'd choose motion preservation over fusion if I was a good candidate. Multi-level fusions really amplify the risk of adjacent level degeneration. I know many people with good short-term results, but 3-4-5 years later, they are having more surgery at adjacent levels.
Please note that ADR does not insure against adjacent level degeneration... it just reduces the risk. Also note that studies have not yet proven this to be true.
Good luck,
Mark
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