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- Patricio Haro-Perez, Daniela Pinzon-Leal, Prisca Del Pozo-Acosta, Michael Cruz-Bravo, and Andrea Ortiz-Ordonez.
- From Universidad San Francisco de Quito, School of Medicine.
- Spine. 2024 Oct 30.
Study DesignA systematic review and meta-analysis.ObjectiveTo conduct a meta-analysis of studies that compared surgery with or without radiotherapy to radiotherapy alone for patients with malignant spinal cord compression, and a subgroup analysis of patients stratified by hematologic and solid malignancies.Summary Of Background DataTwo previous meta-analyses showed that surgery with or without radiotherapy was better than radiotherapy alone in patients with malignant spinal cord compression. Nevertheless, there was no stratification by tumor type, leading to uncertainty regarding best approach for patients with hematologic malignancies.MethodsWe searched PubMed, Scopus, and Web of Science, for studies comparing surgery with or without radiotherapy to radiotherapy alone in patients with malignant spinal cord compression. The primary outcomes were improvement in ambulatory status and survival at 12 months. For neurological outcomes, we included studies involving both locally advanced primary malignancies of the spine and metastatic tumors. We restricted our analysis to studies on metastases for survival outcomes.ResultsWe included 2536 patients from 18 studies. Surgery was performed in 890 (35%) patients. The pooled analysis of all studies revealed that improvement in ambulatory status (OR 2.65; 95% CI 1.60-4.39) and survival at 12 months (OR 1.66; 95% CI 1.10-2.52) were significantly higher in patients who underwent surgery with or without radiotherapy. Improvement in ambulatory status (OR 1.92; 95% CI 1.19-3.09) and survival at 12 months (OR 4.24; 95% CI 2.35-7.66) were significantly higher in patients with hematologic malignancies in the surgical arm. The primary outcomes were not significantly different between patients with solid malignancies.ConclusionSurgical intervention demonstrates superior neurological outcomes and increased survival compared with radiotherapy alone. Subgroup analysis revealed that patients with hematologic malignancies on surgery group experienced superior primary outcomes; however, high risk of bias of the included studies preclude definitive changes in standard care based on this data. These findings underscore the need for further research regarding the efficacy of surgical versus radiotherapeutic approaches for specific tumor types.Level Of Evidence2.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.
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