A novel pre-contoured V-shaped rod in one-level pedicle subtraction osteotomy for the treatment of rigid lumbar kyphosis caused by ankylosing spondylitis: technical note and case series

A novel pre-contoured V-shaped rod in one-level pedicle subtraction osteotomy for the treatment of rigid lumbar kyphosis caused by ankylosing spondylitis: technical note and case series

Abstract Purpose To introduce and evaluate the feasibility of one-level pedicle subtraction osteotomy (PSO) combined with pre-contoured V-shaped rods in the treatment of spinal kyphosis deformity caused by ankylosing spondylitis (AS). Methods Five patients from ages 33 to 47 years old with progressi...

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Main Authors: Hongtao Ding, Cheng Zeng, Andrew Y. Xu, Audrey Y. Su, Jeffrey J. Yeung, Xin Chen, Huadong Wang, Yanbin Zhang, Kai Yan, Yonggang Xing, Da He, Bin Xiao
Format: Article
Language:English
Published: BMC 2025-07-01
Series:BMC Musculoskeletal Disorders
Subjects:
Ankylosing spondylitis
Spinal kyphosis deformity
Pedicle subtraction osteotomy
One-level osteotomy
Sagittal alignment
Online Access:https://doi.org/10.1186/s12891-025-08872-w
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https://doi.org/10.1186/s12891-025-08872-w

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