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The Universal Clamp hybrid system: a safe technique to correct deformity and restore kyphosis in adolescent idiopathic scoliosis

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Abstract

Purpose

Adolescent idiopathic scoliosis (AIS) is a tridimensional deformity characterized by coronal and sagittal profiles changes. We present a series of 62 patients affected by AIS and treated by thoracic Universal Clamps and transpedicular lumbar screws hybrid system.

Methods

Mean age was 13 years. Average pre-operative Cobb angle was 63° ± 12°. Patients were divided into two groups depending on the kyphosis angle: lower than 45° (51 patients, 82.3 %, mean 21° ± 3°) and higher than 45° (11 patients, 17.7 %, mean 62° ± 6°).

Results

The average percentage of coronal correction was 70 ± 3 % (mean post-operative Cobb angle 19° ± 4°, P < 0.001). In patients with pre-operative physiological thoracic kyphosis–hypokyphosis, we observed an increase in the average value (32° ± 4°, P < 0.001), while in patients with pre-operative hyperkyphosis, mean decrease of thoracic kyphosis was 19° ± 3° (43° ± 4°, P < 0.001).

Conclusions

This case-series study showed the efficacy and safety of Universal Clamp hybrid system in correcting coronal deformity and restoring physiological thoracic kyphosis in patients affected by AIS.

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Authors and Affiliations

  1. Orthopedic Unit, Department of Surgery and Transplant Center, Bambino Gesù Children’s Hospital, IRCCS, Palidoro (Rome), Via Torre di Palidoro snc, 00050, Fiumicino (Rome), Italy

    Guido La Rosa, Giancarlo Giglio & Leonardo Oggiano

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  1. Guido La Rosa
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  2. Giancarlo Giglio
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  3. Leonardo Oggiano
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Correspondence to Guido La Rosa.

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La Rosa, G., Giglio, G. & Oggiano, L. The Universal Clamp hybrid system: a safe technique to correct deformity and restore kyphosis in adolescent idiopathic scoliosis. Eur Spine J 22 (Suppl 6), 823–828 (2013). https://doi.org/10.1007/s00586-013-3014-z

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  • DOI: https://doi.org/10.1007/s00586-013-3014-z

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