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Orthopaedic Proceedings
Vol. 86-B, Issue SUPP_III | Pages 213 - 213
1 Mar 2004
Boriani S Bròdano GB Giardina F Marinelli A
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Despite progress in surgical methods, the clinical results of spine fusion are still not satisfactory, although success rate is certainly higher than in the past, some patients require multiple surgeries to treat a spinal disorder.

There are many reasons for which a revision surgery may be necessary: for failure of spinal previous fusion, as pseudarthrosis, for junctional failure or for decompensation of previous fusion.

This is a review of 54 patients who underwent revision spine fusion between ’96 and 2000: they were 20 males (37%) and 34 females (53%), in 9 (17%) cases was interested cervical segment, in 9 (17%) thoracic, in 10 (18%) thoracolumbar, in 26 (48%) lumbar; in 29 (54%) patients, previous fusion was performed for a fracture, in 23 (42%) for degenerative pathology (in 17 (31%) was made a postero-lateral fusion, in 4 (7%) cases postero-lumbar interbody fusion and in 2 (3%) cases anterior fusion), in 1 (2%) case for degenerative scoliosis and in 1 (2%) case for a tumour excision. Revision surgery had to be performed in 28 (52%) patients for a mechanical complication, in 14 (26%) for instability of device, in 7 (13%) for wound infection and in 5 (9%) for pseudoarthrosis. Revision procedures were in 37 (68%) cases a new spinal fusion (17 (31%) postero-lateral, 7 (13%) postero-lumbar interbody, 7 (13%) anterior fusion and in 6 (11%) cases both anterior in 7 (13%) removal of mechanical devices, in 7 (13%) cleaning of wound and in 3 (5%) elongation of devices.

We have performed a clinical and radiological evaluation with al least 2 years of follow-up. From our analysis of results of the present study, it appears that the rates of improvement after a second operation is lower than that after an initial operation and the rates of complication are significantly higher. This is probably relates to the greater complexity of revision surgery, the more invasive nature of procedure and the longer duration. and posterior fusion).