Association Between Early Heparin Prophylaxis and Risk of Venous Thromboembolism Through Two Months After Spine Fusion for Spinal Metastasis: A Retrospective Cohort Study of United States Academic Health Centers Article Swipe
Anthony N. Baumann
,
Robert J. Trager
,
Omkar Anaspure
,
John Strony
,
Aditya Muralidharan
,
Tyler Sanda
,
Jacob C. Hoffmann
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1177/21925682251330261
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1177/21925682251330261
Study Design Retrospective Cohort Study. Objective Evidence on chemoprophylactic anticoagulation efficacy in preventing venous thromboembolism (VTE) after spine surgery for metastasis is scarce. We hypothesized that early heparin administration (0-2 days post-surgery) significantly reduces VTE risk post-arthrodesis. We also examined VTE incidence and risk over 2 months and severe postoperative bleeding (SPOB). Methods We conducted a retrospective cohort study using the TriNetX network, identifying adults who had a spinal arthrodesis for spinal metastasis in the past 20 years. Patients were grouped by anticoagulation use: a heparin cohort and a non-anticoagulated control. After propensity matching for key VTE risk factors, we examined VTE risk ratios (RR) with 95% confidence intervals (CI) up to 2 weeks post-surgery, and incidence and RR of VTE and SPOB over 2 months. Results There were 847 patients per cohort after matching. There was no statistically significant difference in incidence of VTE in the heparin group compared to the no anticoagulation cohort through 2-weeks’ (4.0% vs 2.7%; RR: 1.48; 95% CI: 0.88, 2.49; P = 0.1383) and 2 months’ follow-up (9.4% vs 7.9%; RR: 1.2; 95% CI: 0.88, 1.63; P = 0.2619). Furthermore, there was no statistically significant difference in incidence of SPOB in the heparin group compared to the no anticoagulation group at 2-weeks’ (1.5% vs 1.7%; RR: 0.93; 95% CI: 0.44, 1.96; P = 0.8462) and 2-months’ follow-up (2.8% vs 2.5%; RR: 1.1; 95% CI: 0.64, 2.04; P = 0.6504). Conclusion Early heparin administration did not significantly affect VTE or SPOB rates compared to controls. Future research should explore whether other anticoagulants lower VTE risk post-spinal metastasis fusion.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1177/21925682251330261
- https://journals.sagepub.com/doi/pdf/10.1177/21925682251330261
- OA Status
- gold
- References
- 18
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4408780192
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Raw OpenAlex JSON
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https://openalex.org/W4408780192Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1177/21925682251330261Digital Object Identifier
- Title
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Association Between Early Heparin Prophylaxis and Risk of Venous Thromboembolism Through Two Months After Spine Fusion for Spinal Metastasis: A Retrospective Cohort Study of United States Academic Health CentersWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-03-24Full publication date if available
- Authors
-
Anthony N. Baumann, Robert J. Trager, Omkar Anaspure, John Strony, Aditya Muralidharan, Tyler Sanda, Jacob C. HoffmannList of authors in order
- Landing page
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https://doi.org/10.1177/21925682251330261Publisher landing page
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https://journals.sagepub.com/doi/pdf/10.1177/21925682251330261Direct link to full text PDF
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://journals.sagepub.com/doi/pdf/10.1177/21925682251330261Direct OA link when available
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0Total citation count in OpenAlex
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10Other works algorithmically related by OpenAlex
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