{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T17:51:13Z","timestamp":1785779473968,"version":"3.56.0"},"reference-count":58,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T00:00:00Z","timestamp":1785369600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T00:00:00Z","timestamp":1785369600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Global Spine Journal"],"abstract":"<jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Systematic review and meta-analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>We sought to evaluate the association between pre-treatment symptom duration and outcomes in patients undergoing radiotherapy (RT)\/surgery for metastatic epidural spinal cord compression (MESCC).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A systematic review included publications evaluating the association between pre-treatment symptom duration and outcomes after RT\/surgery in adults with MESCC. Primary exposure was pre-treatment symptom duration. Outcomes were motor-recovery, ambulation, survival and local control. Pooled-effect-estimates were calculated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of 4639 studies, 37 met the inclusion criteria (26-RT,11-surgery).\n                      <jats:italic toggle=\"yes\">RT<\/jats:italic>\n                      : All studies defined symptom duration as time from motor-weakness onset to RT. Longer symptom duration was associated with improved motor-recovery (Pooled-effect-estimate=2.08, 95%CI:1.68-2.58,p&lt;0.001) and decreased mortality-risk (improved-survival)((Pooled-effect-estimate=0.72, 95%CI:0.69-0.76,p&lt;0.001). Although longer symptom duration was consistently associated with better ambulation and lower local recurrence, few studies precluded meta-analysis.\n                      <jats:italic toggle=\"yes\">Surgery:<\/jats:italic>\n                      Symptom duration was defined as time from neurological-deficit onset to surgery in 7\/11 studies; three-studies used ambulatory status, and one-study used both. Longer symptom duration was associated with increased risk-of-death (worse-survival)(Pooled-effect-estimate=1.28, 95%CI:0.54-3.03,p=0.575), though statistically insignificantly. Meta-analysis for motor-recovery wasn\u2019t feasible, but most studies found longer symptom duration worsened motor-recovery, while ambulation findings were inconsistent.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Symptom duration was associated with differing outcome patterns by treatment modality. In RT cohorts, longer symptom duration was associated with improved survival and motor recovery. In surgical cohorts, it trended toward worse survival, though this did not reach statistical significance. Most surgical studies suggested an inverse association between symptom duration and motor recovery. These findings are exploratory, and should be interpreted in context of treatment selection-bias and between-cohort heterogeneity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21925682261474420","type":"journal-article","created":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T20:34:21Z","timestamp":1785443661000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Does Duration of Symptoms in Metastatic Spine Disease Affect Recovery and Outcomes? 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