ArticleGlobal spine journal2026
The Incidence, Grading, and Treatment of Spinal Epidural Hematoma After Cervical Laminoplasty: A Retrospective Study Based on Postoperative MRI of 207 Patients.
Article in Global spine journal, 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
Study DesignRetrospective cohort study.ObjectiveTo determine the incidence, grading, management, and clinical impact of postoperative spinal epidural hematoma (SEH) following cervical laminoplasty (LAMP) for degenerative cervical myelopathy (DCM).MethodsThis study analyzed 207 DCM patients who underwent LAMP between August 2022 and February 2024. Postoperative magnetic resonance imaging (MRI) within 48 h was used to assess SEH, graded based on radiological compression and clinical symptoms. A 3-month MRI evaluated epidural scar formation. Patient demographics, laboratory and operative variables, and clinical outcomes were compared between the SEH and non-SEH groups, and multivariable logistic regression analysis was performed to identify independent risk factors for SEH.ResultsSEH was identified in 72 patients (34.8%), of whom 71 (98.6%) were Grades 1-3 and managed conservatively. One patient (0.48%) developed neurological symptoms (Grade 4) requiring percutaneous drainage and achieved full recovery. No patients developed Grade 5 SEH. At the 3-month follow-up, epidural scar formation was observed in 5 (7.7%) patients in the SEH group and 3 (2.6%) in the non-SEH group (
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