ArticleFrontiers in neuroscience2026
Can preoperative spino-cranial angle predict cervical sagittal imbalance after laminoplasty?
Article in Frontiers in neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: This study aimed to determine whether the preoperative spino-cranial angle (SCA) predicts cervical sagittal imbalance (CSI) after laminoplasty (LP). Methods: We retrospectively screened 298 consecutive patients with degenerative cervical myelopathy (DCM) who underwent LP at our hospital from January 2018 to June 2021. Of these, 116 met the inclusion criteria and were analyzed. Radiographic and clinical parameters were collected preoperatively and at the last follow-up. Patients were stratified based on the change in cervical sagittal vertical axis (cSVA), calculated as ΔcSVA = postoperative-preoperative, into three categories: improvement (ΔcSVA≤ - 10 mm), stability (-10 mm < ΔcSVA≤10 mm), and deterioration (ΔcSVA>10 mm). Group comparisons were conducted using the Results: Patients in the deterioration group exhibited the lowest preoperative SCA, along with poorer JOA recovery and worse postoperative neck pain compared to the improvement group. In the adjusted model, a lower SCA independently predicted postoperative cSVA deterioration (OR = 0.575, 95%CI: 0.372-0.808, Conclusion: The preoperative SCA influences postoperative cervical alignment after LP. Patients with a low SCA are at increased risk for CSI and may benefit from enhanced preoperative counseling and strategies that preserve alignment during LP.
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