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European Spine Journal

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01-12-2014 | Original Article

Skip pedicle screw fixation combined with Ponte osteotomy for adolescent idiopathic scoliosis

Authors: Jun Takahashi, Shota Ikegami, Shuugo Kuraishi, Masayuki Shimizu, Toshimasa Futatsugi, Hiroyuki Kato

Published in: European Spine Journal | Issue 12/2014

Abstract

Purpose

This study aimed to determine whether Ponte osteotomy combined with skip pedicle screw fixation (SPSF) can improve the correction rate and restore thoracic kyphosis for patients with adolescent idiopathic scoliosis.

Methods

Surgical time, blood loss, preoperative Cobb angle of the main thoracic curve, flexibility, Cobb angle at 1 year after surgery, thoracic curve correction rate, and Cincinnati correction index (CCI) were determined for both the Ponte (n = 17) and non-Ponte (control; n = 21) groups. Furthermore, kyphotic angles at T5–T12 before and 1 year after the surgery were measured.

Results

The following measurements were obtained for the Ponte and control groups, respectively: surgical time, 236 ± 13 and 187 ± 9 min; blood loss, 1,141 ± 150 and 745 ± 120 g; preoperative Cobb angle of the main thoracic curve, 52.5° ± 10.4° and 51.5° ± 9.2°; flexibility, 31.7 ± 13.2 and 45.1 ± 12.3 % (p = 0.003); thoracic curve correction rate, 62.0 ± 2.5 and 63.6 ± 2.5 %; CCI, 2.2 ± 0.2 and 1.5 ± 0.1 (p = 0.003); preoperative kyphotic angle at T5–T12, 11.3° ± 11.2° and 13.0° ± 9.0°; and kyphotic angle at T5–T12 at 1 year after the surgery, 21.8° ± 1.7° and 24.2° ± 1.9°.

Conclusion

Ponte osteotomy was combined with SPSF in case of rigid curve. CCI was significantly greater in the Ponte group. Postoperative thoracic kyphotic angles were identical in both groups.

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Title: Skip pedicle screw fixation combined with Ponte osteotomy for adolescent idiopathic scoliosis
Authors: Jun Takahashi
Shota Ikegami
Shuugo Kuraishi
Masayuki Shimizu
Toshimasa Futatsugi
Hiroyuki Kato
Publication date: 01-12-2014
Publisher: Springer Berlin Heidelberg
Published in: European Spine Journal / Issue 12/2014
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI: https://doi.org/10.1007/s00586-014-3505-6

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Skip pedicle screw fixation combined with Ponte osteotomy for adolescent idiopathic scoliosis

Abstract

Purpose

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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