Abstract
Purpose
The aim of the study was to evaluate clinical and radiographic outcome of patients treated with a modified Grob technique analysing the advantages related to increased mechanical stability.
Methods
30 patients that underwent “in situ” fusion for L5-S1 spondylolisthesis were evaluated. All patients presented a low-dysplastic developmental L5-S1 spondylolisthesis. Patients were divided into two groups: A, in which L5-S1 pedicle instrumentation associated with transsacral screw fixation was performed, and B, in which L5-S1 pedicle instrumentation associated with a posterolateral interbody fusion (PLIF) was performed.
Results
Patients treated with transdiscal L5-S1 fixation observed a faster resolution of the symptoms and a more rapid return to daily activities, especially at 3–6 months’ follow-up. The technique is reliable in giving an optimal mechanical stability to obtain a solid fusion.
Conclusions
The advantages of this technique are lower incidence of neurologic complications, speed of execution and faster return to normal life.
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Logroscino, C.A., Tamburrelli, F.C., Scaramuzzo, L. et al. Transdiscal L5-S1 screws for the treatment of adult spondylolisthesis. Eur Spine J 21 (Suppl 1), 128–133 (2012). https://doi.org/10.1007/s00586-012-2229-8
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DOI: https://doi.org/10.1007/s00586-012-2229-8