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Correction of pelvic obliquity in neuromuscular spinal deformities using the “T construct”: results and complications in a prospective series of 60 patients

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Abstract

Background

We present the results of a prospective series of 60 patients treated for neuromuscular spinal deformities with an original spinopelvic construct using two sacral screws and two iliac screws. Clinical and radiological results obtained with this new surgical technique were studied and discussed according to the epidemiological data and relevant literature.

Methods

From January 2008 to June 2010, the clinical data of every patient who underwent spinopelvic fixation for treatment of a neuromuscular spinal deformity were recorded prospectively.

Results

Sixty patients were operated on during the study period. Spinal correction and fusion was performed by posterior approach. In six patients with a residual spinopelvic imbalance more than 15° on lateral preoperative bending films, an anterior release of the thoracolumbar junction was performed on the same day, before posterior correction. Preoperative pelvic obliquity (PO) ranged from 4° to 44° (mean 21.6°). Postoperative pelvic obliquity ranged from 0° to 14 (mean 4.6°). No significant loss of correction was noted at the last follow-up. One patient died 3 months after the initial procedure due to respiratory compromise. 11 patients had early postoperative infections of the posterior approach.

Conclusions

Despite a high rate of infectious complications, optimal correction of pelvic obliquity requires extension of spinal instrumentation to the pelvis. Spinopelvic fixation remains a difficult challenge in neurological patients with hypotrophy. We think that pelvic fixation with the “T construct” did provide effective and improved spinal stabilization in these patients, while reducing the need for a postoperative cast or brace. As a result, patients had a favourable postoperative course with early mobilization and return to a comfortable sitting position.

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Authors and Affiliations

  1. Department of Pediatric Orthopaedics, Armand Trousseau Hospital, Université Pierre et Marie Curie Paris 6, 26 Avenue du Dr. Arnold Netter, 75571, Paris Cedex 12, France

    Benjamin Bouyer, Manon Bachy, Redoine Zahi, Camille Thévenin-Lemoine, Pierre Mary & Raphaël Vialle

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  1. Benjamin Bouyer
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  2. Manon Bachy
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  3. Redoine Zahi
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  4. Camille Thévenin-Lemoine
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  5. Pierre Mary
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  6. Raphaël Vialle
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Correspondence to Raphaël Vialle.

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Bouyer, B., Bachy, M., Zahi, R. et al. Correction of pelvic obliquity in neuromuscular spinal deformities using the “T construct”: results and complications in a prospective series of 60 patients. Eur Spine J 23, 163–171 (2014). https://doi.org/10.1007/s00586-013-2847-9

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  • DOI: https://doi.org/10.1007/s00586-013-2847-9

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