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Efficacy of polyester bands placed under the transverse vertebral process for the correction of adolescent idiopathic scoliosis

A case series of 105 patients with a minimum of 24 months follow-up

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Abstract

Purpose

To report an original technique for the surgical correction of adolescent idiopathic scoliosis (AIS) based on hybrid construct using polyester bands placed under the thoracic transverse processes.

Methods

We reviewed 105 patients operated between 2013 to 2017 for AIS with a minimum of 2 years follow-up. Clinical and radiological data, including 2D measurements of scoliosis parameters preoperatively, and at 3- and 24-months postoperatively were analyzed. Radiological analysis was performed by two independent observers using KEOPS (Smaio, Lyon-France, CE 2014) database.

Results

Mean age was 14.6 ± 2 years. Mean follow-up was 23.7 ± 1.2 months. Most curves were classified as Lenke-1 (78%). The average number of vertebra involved in the construct was 10.9 ± 1.3 (range 7–13). A mean of 12.8 implants were used per construct (mean implant density 0.59). The number of subtransverse bands placed averaged 3 (range 1–5 bands).

The mean frontal Cobb angle decreased from 57.9 to 21.2 ° (p < 0.05) postoperatively. The average T4-T12 kyphosis increased from 20.2°to 32.4° (p < 0.05) postoperatively and no loss of correction was observed at 2 years follow-up. We encountered one case of transverse process fracture intraoperativley. No neurological complications were observed. In the postoperative period, 4 cases were diagnosed with distal junctional failure, three of which required an extension of the construct, while the fourth case was treated by bracing.

Conclusions

The use of subtransverse band is an efficient and safe method for the surgical correction of AIS. This technique incorporates technical ease (minimal risk of neurological injury), provides good frontal correction and restores thoracic kyphosis. Results are maintained over a two-year period.

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Data availability

The authors confirm that the data supporting the findings of this study are available within the article [and/or] its supplementary materials.

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Funding

The authors received no specific funding for this work.

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Authors and Affiliations

  1. Service de Chirurgie Orthopédique Pédiatrique, Hôpital Gatien de Clocheville, CHRU de Tours, Tours, 37044 Tours Cedex 9, France

    Abdullah Zaher, Khaled El Youssef, Benoit Decourtivron, Francois Bergerault, Chistian Bonnard & Thierry Odent

  2. Université François Rabelais de Tours, PRES Centre-Val de Loire Université, Tours, France

    Abdullah Zaher, Khaled El Youssef, Benoit Decourtivron, Francois Bergerault, Chistian Bonnard & Thierry Odent

Authors
  1. Abdullah Zaher
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  2. Khaled El Youssef
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  3. Benoit Decourtivron
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  4. Francois Bergerault
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  5. Chistian Bonnard
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  6. Thierry Odent
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Correspondence to Abdullah Zaher.

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Informed consent was obtained from legal guardians.

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The authors affirm that human research participants provided informed consent for publication of the images in Figure(s) 2a, 2b and 2c.

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Institutional ethical clearance (study institutional registry n° 2020_090) was obtained before starting this retrospective study.

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Zaher, A., El Youssef, K., Decourtivron, B. et al. Efficacy of polyester bands placed under the transverse vertebral process for the correction of adolescent idiopathic scoliosis. Eur Spine J 30, 1959–1964 (2021). https://doi.org/10.1007/s00586-021-06841-0

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  • DOI: https://doi.org/10.1007/s00586-021-06841-0

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