ArticleOrthopaedic surgery2025
Impact of Sagittal Reference Lines on Predicting Distal Junctional Kyphosis in Adolescent Idiopathic Scoliosis.
Article in Orthopaedic surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Impact of Sagittal Reference Lines on Predicting Distal Junctional Kyphosis in Adolescent Idiopathic Scoliosis.Orthopaedic surgery · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveIncorporating the sagittal stable vertebra (SSV) in posterior spinal fusion (PSF) may reduce postoperative distal junctional kyphosis (DJK) in adolescent idiopathic scoliosis (AIS), but its determination varies across reference methods and may be affected by patient posture. This study aims to investigate the SSV determined by different sagittal reference lines in predicting the risk of DJK after PSF in AIS patients.
methodsThis retrospective cohort study evaluated AIS patients with Lenke Type 1 or 2 curves treated with PSF between January 2009 and July 2017. The inclusion or exclusion of SSV in PSF based on SSV determined by different reference lines was assessed for its association with the postoperative DJK. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) and odds ratio were calculated.
resultsOne hundred twenty-two patients (mean age at surgery: 15.1 ± 3.2 years) were included with the incidence of postoperative DJK 6.6%. PSF with the exclusion of SSV, defined by the vertebral level at which 50% of the vertebral body was anterior to the posterior sacral vertical line (PSVL), the midline between PSVL and the C7 plumb line (PSVL-C7PL Midline), and the line connecting the center point of the C7 vertebral body and the posterior superior corner of the sacrum (C7PSL), was significantly associated with the occurrence of postoperative DJK. Among the evaluated reference lines, PSVL demonstrated numerically higher sensitivity, NPV, odds ratio, and area under the curve (AUC), although these differences in AUC did not reach statistical significance.
conclusionsAlthough there are concerns about whether standing posture affects the SSV determined by a specific reference line, this study demonstrates that PSVL might be an effective and convenient reference line for identifying SSV.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.