ArticleAsian spine journal2022
C5 Palsy of Patients with Proximal-Type Cervical Spondylotic Amyotrophy.
Article in Asian spine journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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
5 citing papers in PubMed, 1 synthesis or guideline pooled it, 6 citations in OpenAlex.
- Risk factors for C5 nerve root palsy following posterior cervical spinal canal expansion and reconstruction: a systematic review and meta-analysis.BMC musculoskeletal disorders · 2026Pooled it
- Impact of Cervical Sagittal Alignment Changes on Postoperative C5 Palsy: A Systematic Review and Meta-Analysis.Neurosurgery practice · 2026Review
- Experimental Development and Internal Validation of a Clinical Prediction Model for the Occurrence of Idiopathic C5 Palsy after Laminoplasty.Neurologia medico-chirurgica · 2026Article
- The correlation between facet tropism and motor dysfunction of the upper limbs in patients with cervical spondylotic amyotrophy: an observational study.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2025Observational
- Surgical Outcomes of Full Endoscopic Posterior Cervical Foraminotomy for Proximal Cervical Spondylotic Amyotrophy.Asian spine journal · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
STUDY
designAn observational cohort study design was adopted in this study. PURPOSE: This study was designed to investigate preoperative factors that predict poor outcomes following surgery in patients with proximal-type cervical spondylotic amyotrophy (PCSA) using radiological findings. OVERVIEW OF LITERATURE: We evaluated the preoperative factors associated with poor outcomes using electrophysiological and neurological findings. However, the preoperative factors associated with poor outcomes remained unclear.
methodsSixty patients with PCSA who underwent surgical treatment of the cervical spine were enrolled. The radiological findings on plain radiographs, computed tomography (CT), and magnetic resonance imaging (MRI) were evaluated. The cervical lordotic angles, C2-C7 sagittal vertical axis (SVA), and T1 slope were assessed on a lateral radiograph in the neutral position. CT was used to assess the width of the intervertebral foramen and the anterior protrusion of the superior articular process on the axial view. MRI was used to determine the number of levels of compression (NLC) and the presence of a high-intensity area in the spinal cord in the T2- weighted midsagittal view. The preoperative and postoperative strengths of the most atrophic muscles were evaluated using manual muscle testing. Improvements in strength were classified as excellent (five grades recovered), good (more than one grade recovered), fair (no improvement), or poor (worsened).
resultsThe prevalence of C5 palsy was 17% (10/60). Patients with poor outcomes had higher NLC and Δ C2-C7 SVA than patients with excellent, good, and fair outcomes (p =0.015; odds ratio [OR], 5.758; 95% confidence interval [CI], 1.397-23.726 for a change of 10% and p =0.048; OR, 1.068; 95% CI, 0.992-1.141 for a change of 10%, respectively).
conclusionsΔC2-C7 SVA and NLC may be used as prognostic factors for achieving a poor outcome following surgery in patients with PCSA. More focus is needed on preventing the increase in ΔC2-C7 SVA.
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.