ArticleJournal of orthopaedic surgery and research2024
What are the factors contributing to symptomatic local recurrence in metastatic spinal cord compression after surgery?
Article in Journal of orthopaedic surgery and research, 2024. 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
backgroundRisk factors for local recurrence in patients with metastatic spinal cord compression (MSCC) has not been clearly investigated. So, the purpose of this study was to identify risk factors causing local recurrence following surgeries in patients with MSCC.
methodsWe conducted a retrospective comparative study on 304 patients who underwent surgery for MSCC between March 2014 and February 2020. Local recurrence rate (LRR) was analyzed according to demographic variables, radiological variables such as level of spinal metastasis, number of non-spinal bone metastases, degree of spinal cord compression, spinal instability, and pathological fracture, and treatment-related variables such as origin of tumor, surgical treatment methods, and pre- and post- operative radiation therapy. Univariate and multivariate logistic regression analyses were performed to reveal the risk factors for local recurrence.
resultsAmong 304 patients with MSCC, 50 patients (16.4%) experienced local recurrence after surgery. Of the surgical methods, decompression alone (26/50, 52.0%) showed higher LRR compared to decompression with fixation (9/177, 5.1%) or corpectomy (11/89, 12.4%), (P = 0.002 and P = 0.018, respectively). Patients with renal cell carcinoma revealed higher LRR compared to other types (P = 0.014). It was found that the 3 or more level of spinal metastasis (P = 0.001), the 3 or more of extraspinal bone metastases (P = 0.028), and pathologic fracture (P = 0.003) were related with higher LRR. Smoking is also an independent risk factor for local recurrence in patients who underwent fixation (P = 0.026).
conclusionsSymptomatic local recurrence may be influenced by several factors, including the extent of spinal and extraspinal bone metastasis, pathologic fractures, surgical approach, and tumor origin (RCC). These factors should be carefully considered by surgeons when evaluating the risk of symptomatic local recurrence after surgery.
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