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01-04-2015 | Original Article

Postoperative change in sagittal balance after Kyphoplasty for the treatment of osteoporotic vertebral compression fracture

Authors: Kunio Yokoyama, Masahiro Kawanishi, Makoto Yamada, Hidekazu Tanaka, Yutaka Ito, Shinji Kawabata, Toshihiko Kuroiwa

Published in: European Spine Journal | Issue 4/2015

Abstract

Purpose

The influence of vertebral cement augmentation on spinal sagittal balance is unknown. The present study aimed to analyze the changes in total spinal alignment after Kyphoplasty in VCF patients.

Methods

The study involved 21 VCF patients who underwent Kyphoplasty. In all patients, lateral radiographs of the entire spine were taken preoperatively and 1 month after surgery, to measure the pelvic incidence (PI), sacral slope (SS), pelvic tilt (PT), lumbar lordosis (LL), sagittal vertical axis (SVA), and spinosacral angle (SSA). These parameters were compared between VCF patients and 30 healthy volunteers. In VCF patients, the parameters were compared before and after Kyphoplasty.

Results

In VCF patients, preoperative SVA was 7.00 ± 3.9 cm, showing a significant shift to anterior sagittal balance as compared to the healthy group (1.45 ± 2.7 cm) (P < 0.0001). Preoperative SS was smaller and PT was larger in VCF group than in the healthy group (P < 0.05). After Kyphoplasty, SVA decreased to 5.02 ± 2.91 (P = 0.0007) and LL and SSA increased (LL P = 0.028; SSA P = 0.0031). Postoperative decrease of SVA was correlated with the kyphotic change of treated vertebra (r = 0.792, P < 0.01). VAS score decreased from 7.98 ± 1.8 before Kyphoplasty to 2.38 ± 2.3 postoperatively (P < 0.0001).

Conclusions

Total spinal alignment is shifted to anterior sagittal balance in VCF patients. Kyphoplasty plays a role not only in reducing pain associated with fractures but also in improving sagittal imbalance in the treatment of painful vertebral compression fracture.

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Title: Postoperative change in sagittal balance after Kyphoplasty for the treatment of osteoporotic vertebral compression fracture
Authors: Kunio Yokoyama
Masahiro Kawanishi
Makoto Yamada
Hidekazu Tanaka
Yutaka Ito
Shinji Kawabata
Toshihiko Kuroiwa
Publication date: 01-04-2015
Publisher: Springer Berlin Heidelberg
Published in: European Spine Journal / Issue 4/2015
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI: https://doi.org/10.1007/s00586-014-3678-z

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Postoperative change in sagittal balance after Kyphoplasty for the treatment of osteoporotic vertebral compression fracture

Abstract

Purpose

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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