Degenerative lumbar scoliosis: features and surgical treatment |
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Authors: | C Faldini S Pagkrati G Grandi V Digennaro O Faldini S Giannini |
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Affiliation: | (1) Department of Orthopaedic Surgery, Rizzoli Orthopaedics Institute, University of Bologna, Via G. Pupilli 1, I-40136 Bologna, Italy |
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Abstract: | Degenerative lumbar scoliosis is a de novo deformity of the spine occurring after the fourth or fifth decade of life in patients
with no history of scoliosis in the growing age. We evaluated complications and functional and radiographic outcomes of twelve
patients with degenerative lumbar scoliosis, treated by spinal decompression associated with posterolateral and/or interbody
fusion. Mean lumbar scoliosis angle was 18° (SD=4°) and mean age at surgery was 57 years (SD=6 years). Average follow–up was
3.5 years. Surgical treatment consisted in decompression of one or more roots, associated with stabilization with pedicle
screws and posterolateral fusion. To correct the deformity, the collapse of the disc was corrected by implanting a cage in
the anterior interbody cage. Clinical symptoms and functional tolerance for daily activities improved after surgery. Radiographic
evaluation showed a reduction in the deformity on the frontal and sagittal planes. There were no infections, evidence of pseudoarthrosis,
instrumentrelated failures or re–operations in this series. In patients with persisting pain caused by degenerative scoliosis
associated with spinal stenosis, in whom conservative treatment has failed, spinal decompression and segmented fusion with
instrumentation represents a valid treatment option. |
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