Apical vertebral derotation and translation (AVDT) for adolescent idiopathic scoliosis using screws and sublaminar bands: a safer concept for deformity correction

Apical vertebral derotation and translation (AVDT) for adolescent idiopathic scoliosis using... Purpose To assess the efficacy and safety of a new deformity correction philosophy treatment for AIS called apical vertebral derotation and translation (AVDT). Methods It is a retrospective study of prospectively collected data concerning two different scoliosis correction techniques used in our department. A total of 81 patients (22M, 59F) with a mean age of 15.5 years and minimum follow-up of 2 years were reviewed. Patients were divided into two groups according to the correction technique: 36 patients underwent single- rod derotation using all screws construct (AS), while 45 patients underwent apical vertebral derotation and translation using screws and sublaminar bands (SB). Results The mean improvement of the MT curve was 70% in the AS group and 60.6% in the SB group, while the mean improvement of the TL/L curve was 65.5 and 72.4%, respectively. PT increased in both groups after surgery with a mean amount of 2.5° in the AS group and only 1° in the SB group. We observed also a greater amount of cervical lordosis reduc- tion in the AS group (4.5°) compared with the SB group (only 1°). The SB group had less operative time and less blood loss. Conclusion There was no significant difference http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Spine Journal Springer Journals

Apical vertebral derotation and translation (AVDT) for adolescent idiopathic scoliosis using screws and sublaminar bands: a safer concept for deformity correction

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Medicine & Public Health; Surgical Orthopedics; Neurosurgery
ISSN
0940-6719
eISSN
1432-0932
D.O.I.
10.1007/s00586-018-5626-9
Publisher site
See Article on Publisher Site

Abstract

Purpose To assess the efficacy and safety of a new deformity correction philosophy treatment for AIS called apical vertebral derotation and translation (AVDT). Methods It is a retrospective study of prospectively collected data concerning two different scoliosis correction techniques used in our department. A total of 81 patients (22M, 59F) with a mean age of 15.5 years and minimum follow-up of 2 years were reviewed. Patients were divided into two groups according to the correction technique: 36 patients underwent single- rod derotation using all screws construct (AS), while 45 patients underwent apical vertebral derotation and translation using screws and sublaminar bands (SB). Results The mean improvement of the MT curve was 70% in the AS group and 60.6% in the SB group, while the mean improvement of the TL/L curve was 65.5 and 72.4%, respectively. PT increased in both groups after surgery with a mean amount of 2.5° in the AS group and only 1° in the SB group. We observed also a greater amount of cervical lordosis reduc- tion in the AS group (4.5°) compared with the SB group (only 1°). The SB group had less operative time and less blood loss. Conclusion There was no significant difference

Journal

European Spine JournalSpringer Journals

Published: May 30, 2018

References

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