Wendy,
There are doctors and then there are doctors! Some that are very sure of their skill may very well implant an ADR with less than 50% disc space left. I was supposed to have a fusion at S1/L5 but Dr. B decided on an ADR.
A problem could be distracting the disc space to implant the ADR. I gained 1 1/2" with my 3 level. I also sustained a lot of nerve damage that now appears to be permanant.
As for outcomes, some great candidates don't do well and some poor ones do great. Which one is best for you? Get educated and get opinions, more than one. Then YOU decide.
Dale
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3 level Prodisc adr S1-L3, Oct 12, 2005
Dr. B in Bogen, Germany
Severe nerve damage in left leg, still working on it
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