• Giovanni Andrea La Maida, Francesco Luceri, Francesco Gallozzi, Marcello Ferraro, and Misaggi Bernardo.
• Spine Surgery Department, Orthopaedic Institute "Gaetano Pini", Piazza Cardinale Andrea Ferrari, 1, 20122, Milan, Italy.
• Eur Spine J. 2015 Nov 1; 24 Suppl 7: 879-86.

PurposeThe treatment of adult scoliosis is a challenge especially in patients over 50 years old with severe, rigid curves in whom the use of vertebral osteotomies may be necessary to correct the deformity. The aim the study was to analyse the perioperative complications related to vertebral osteotomies in elderly treated for spinal deformity.MethodsWe analysed 72 consecutive cases of kyphoscoliosis, we classify them according to Berjano-Lamartina classification. We divided patients into two groups: we only practised SPO and/or PO in patients that composed group A; we practised also PSO in patients that composed group B. We retrospectively analysed the perioperative complications and radiographical results. Average follow-up was 30 months.ResultsWe had 50 cases of degenerative segment diseases (DSD) Type III, 13 Type IVa DSD and 9 Type IVb DSD. Mean age was 60.7 years old. Overall complication rate was 22.2 %. In group A, the complication rate was 16.9 % while in group B it was 46.2 %. Mean Cobb primary curve angle was 41.75° with average C7 plumb line (C7PL) of 4.49 cm, residual scoliosis after surgery was 15.41° and average C7PL of 2.08 cm, with statistically significant differences.ConclusionsPrevious studies have shown increased complication rates with vertebral osteotomies in elderly patients, our experience support this evidence. Our study demonstrates a high incidence of intraoperative complication rate in elderly patients underwent a PSO. PSO is a demanding technique to be considered in very selected and motivated patients who must be carefully informed about the risks of the procedure.

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