Zorro, nice post -- and very good points indeed!
Polli, Zorro has raised several really serious considerations here. Facet arthrosis is a big concern for patients seeking an ADR solution, and it should be; as some patients continue to have facet disease/pain after surgery. For some folks with facet issues, motion preservation may be risky, and fusion may be a far better option. The missing factor in these cases is the cause(s) of the disease process.
Also, SI joint issues are very complex, and it's tough to troubleshoot the exact cause. Finally, arthritis may be a systemic issue that affects MANY joints. If that's not enough, arthritis can be brought on by multiple factors!
I hope this helps more than confuses, let us know what you think about all this...
