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What determines PDN or artificial disc?

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Old 11-23-2003, 10:00 AM   #1
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Join Date: Jul 2002
Location: Sweden
Posts: 47
KrisL HB User
What determines PDN or artificial disc?

Does anyone know why some patients get PDN (Prosthetic Disc Nucleus) and others an artificial disc (like Prodisc or Charite)?

First I should say that I am still awaiting discogram and maybe I'm jumping ahead here, but I wanna be prepared.. My surgeon has talked about the above and I wanna be prepared..

One thing bothers me a lot.. I've read that the outer part of the annulus can have nervendings and that these can cause discogenic pain. Especially if the disc has tears in it and the nucleus leaks out and comes in contact with annulus. And the disc does not have to be torn apart for this to happen, it can be enough with little tears within the disc, right?

Well, during PDN*surgery the annulus is left intact as I understand it, the "cushion" is placed where the nucleus used to be. But doesn't that mean that the nervendings in the annulus is still there and can generate pain??
Ok, there's no nucleus left, but a nervending is a nervending..
I just feel PDN is like putting an V8 into an old rusty car * what if the chassi breaks down..?

And what are the criteria to get PDN or artificial disc? What sepatares the two?
Anyone here got PDN?

/Kris L

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