ArticleGlobal spine journal2024
The Shape of the Fused Spine is Associated With Acute Proximal Junctional Kyphosis in Adult Spinal Deformity: An Assessment Based on Vertebral Pelvic Angles.
Article in Global spine journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Fused Spinopelvic Angle in Adult Spinal Deformity with Pure Sagittal Malalignment: A Postoperative Threshold Associated with Proximal Junctional Kyphosis.Journal of clinical medicine · 2026Article
- Vertebral pelvic angles accurately predict risk of proximal junctional kyphosis following long-segment fusion for adult spinal deformity.Spine deformity · 2026Article
- Risk Factors for Proximal Junctional Kyphosis in Osteoporotic Versus Non-Osteoporotic Patients After Adult Spinal Deformity Surgery.Journal of clinical medicine · 2026Article
- Article
- Sagittal Profiles and Their Reciprocal Changes Manifesting in Proximal Junctional Kyphosis Following Deformity Correction in Adolescent Idiopathic Scoliosis.Global spine journal · 2026Article
- Establishing Optimal L1 Pelvic Angle Targets to Minimize Both Proximal Junctional Kyphosis and Pelvic Nonresponse in Adult Spinal Deformity Surgery.Neurospine · 2025Article
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16 authors.
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Abstract
STUDY
designRetrospective review of prospective database.
objectivesVertebral pelvic angles (VPAs) account for complexity in spine shape by assessing the relative position of each vertebra with regard to the pelvis. This study uses VPAs to investigate the shape of the fused spine after T10-pelvis fusion, in patients with adult spinal deformity (ASD), and then explores its association with proximal junctional kyphosis (PJK).
methodsIncluded patients had radiographic evidence of ASD and underwent T10-pelvis realignment. VPAs were used to construct a virtual shape of the post-operative spine. VPA-predicted and actual shapes were then compared between patients with and without PJK. Logistic regression was used to identify components of the VPA-based model that were independent predictors of PJK occurrence and post-operative shape.
results287 patients were included. VPA-predicted shape was representative of the true post-operative contour, with a mean point-to-point error of 1.6-2.9% of the T10-S1 spine length. At 6-weeks follow-up, 102 patients (35.5%) developed PJK. Comparison of the true post-operative shapes demonstrated that PJK patients had more posteriorly translated vertebrae from L3 to T7 (
conclusionsVPAs are reliable in reproducing the true, post-operative spine shape in patients undergoing T10-pelvis fusion for ASD. Because VPAs are independent of patient position, L3PA, T11PA, and PI measurements can be used for both pre- and intra-operative planning to ensure optimal alignment.
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