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Published in: European Spine Journal 11/2016

01-11-2016 | Original Article

Intervertebral bridging ossifications increase the risk of intravertebral cleft formation following a vertebral compression fracture

Authors: Atsushi Kimura, Teruaki Endo, Hirokazu Inoue, Katsushi Takeshita

Published in: European Spine Journal | Issue 11/2016

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Abstract

Purpose

To determine whether the presence of intervertebral bridging ossifications is associated with intravertebral cleft (IVC) formation following a vertebral compression fracture (VCF).

Methods

Patients with a VCF who received conservative treatment for a minimum of 3 months were recruited over a 3-year period. Baseline radiographs obtained within a month of onset were compared between 50 patients who developed an IVC at 3-month follow-up (IVC group) and 100 patients without an IVC (control group). Intervertebral bridging ossification was defined as complete bridging of the intervertebral space by ossification. The presence of bridging ossification was assessed at each intervertebral level from T9/10 to L5/S. In addition to the absolute levels of bridging ossifications, the level relative to a fresh VCF was recorded.

Result

The incidence of bridging ossification at levels T9/10 and T10/11 was significantly higher in the IVC group than in the control group. IVC group patients showed a significantly higher incidence of bridging ossification at the second proximal intervertebral segment than those in the control group. IVC group patients also had a significantly greater sagittal wedge angle and a greater local kyphosis angle than control group patients.

Conclusion

A fresh VCF with bridging ossification at the second proximal intervertebral level is associated with increased risk of IVC formation. Careful observation and strict conservative treatment are recommended in such cases.
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Metadata
Title
Intervertebral bridging ossifications increase the risk of intravertebral cleft formation following a vertebral compression fracture
Authors
Atsushi Kimura
Teruaki Endo
Hirokazu Inoue
Katsushi Takeshita
Publication date
01-11-2016
Publisher
Springer Berlin Heidelberg
Published in
European Spine Journal / Issue 11/2016
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI
https://doi.org/10.1007/s00586-015-4064-1

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