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Spondy Fusion, 1 or 2 levels??

AnonymousUserAAnonymousUser Posts: 49,321
edited 06/11/2012 - 8:28 AM in Back Surgery and Neck Surgery
Now here is a question, prompted from another post.

Do spondys have a one or two level fusion??

I had S1/L5 done then year later had L5/L4.

Is this normal? Do they need to secure the whole segment?

I have read about securing the slip level but how do you know which one it is...in my case L5 vertebra slipped. So S1 and L4 were "off"....



  • I am not sure, in my case they fused the vertebrae both below and above the one that spondy. The level I guess depend on how many vertebrae show instability. I may not have answered your question, maybe soomebody will do a better job.

    Best wishes,

  • I had 2 levels done...well...actually one level done. I'm a weird case, but I had my L4/5 done even though my slip was at L5/S1. My OS could see that my L4/5 was a little dry and at risk for either slipping or herniating with taking on the load once I had L5 fused. I wanted him to only go in once (ha-ha) and fix whatever he needed to. So, he did my upper level pre-emptively. I think some surgeons look at the ability of the level above the slip to handle the weight and pressure. The way I think about it....if you sit your squishy butt on a concrete bench...your butt is going to give more than the bench. It's kinda the same.. your upper level is going to give b/c it's sitting on a "hard" fusion and hardware. Probably a bad analogy...but it somehow works in my brain. LOL :) Hope it helps!
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