Eur Spine J (2017) 26 (Suppl 5):S557–S559 https://doi.org/10.1007/s00586-017-5345-7 OPEN OPERATING THEATRE (OOT) Single‑stage posterior reduction and instrumented fusion of high‑grade L5–S1 spondylolisthesis 1 1 Hossein Mehdian · Luigi Aurelio Nasto © Springer-Verlag GmbH Germany 2017 Keywords High-grade L5–S1 spondylolisthesis · Sacral Dysplastic spondylolisthesis is due to developmental dome osteotomy · Spondylolisthesis correction · Single- abnormalities of the lumbosacral junction, whereas isthmic stage posterior approach spondylolisthesis involves a defect or elongation of the pars interarticularis (i.e. spondylolysis). Meyerding grading sys- tem is commonly used to measure the degree of slippage, the Learning objectives term spondyloptosis refers to the complete dislocation of the L5 vertebral body in front of the sacrum . Most patients with spondylolisthesis are asymptomatic. Surgical technique for single-stage posterior reduction When symptoms arise, they include low back pain (worse and instrumented fusion of high-grade L5–S1 spon- with activity and hyperextension), tightness of the ham- dylolisthesis in adolescents. strings (increased popliteal angle), and in some patients How to perform a posterior sacral dome osteotomy for neurological deficits (e.g. L5 radiculopathy, or cauda equina anterior column shortening. compression). Indications for surgery include: (1) patients with neurological deficits, (2) progressive deformity in growing children (> 50% slippage), (3) symptomatic adults General information non responsive to conservative management. Routine
European Spine Journal – Springer Journals
Published: Nov 1, 2017
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