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				 Interesting 
 Very promising indeed.  Will be interesting to see how it plays out.  I wonder about long term screw anchorage into the sacrum.  I'm assuming any revisions would be done posteriorly which poses risks to neural structures but spares manipulating the great vessels of the anterior.  Keep us in the loop Mark.  Dynesys smynesys.  
 John
 
				__________________weightlifting injury 1990
 Dx DDD 1994 L4 - S1
 IDET 2001 - some initial relief but didnt last
 Dynesys stabalization and decompression May 07
 Removed Nov 08 Due to persistant debilitation bilateral nerve pain which resolved with removal
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