Journal of Korean Neurosurgical Society

  • 제66권4호
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  • Pages.438-445
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  • 2023
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  • 2005-3711(pISSN)
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  • 1598-7876(eISSN)
대한신경외과학회 (The Korean Neurosurgical Society)
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The Optimal Time between Embolization and Surgery for Hypervascular Spinal Metastatic Tumors : A Systematic Review and Meta-Analysis

  • Woon Tak Yuh (Department of Neurosurgery, Seoul National University Hospital) ;
  • Junghoon Han (Department of Neurosurgery, Seoul National University Hospital) ;
  • Chang-Hyun Lee (Department of Neurosurgery, Seoul National University Hospital) ;
  • Chi Heon Kim (Department of Neurosurgery, Seoul National University Hospital) ;
  • Hyun-Seung Kang (Department of Neurosurgery, Seoul National University Hospital) ;
  • Chun Kee Chung (Department of Neurosurgery, Seoul National University Hospital)
  • 투고 : 2022.09.11
  • 심사 : 2023.03.06
  • 발행 : 2023.07.01
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초록

Objective : Preoperative transarterial embolization (TAE) of tumor feeders in hypervascular spine metastasis is known to reduce intraoperative estimated blood loss (EBL) during surgery. The effect of TAE varies for several reasons, and one controllable factor is the timing between embolization and surgery. However, the adequate timing remains unclear. This study aimed to evaluate the timing and other factors that reduce EBL in spinal metastasis surgery through a meta-analysis. Methods : A comprehensive database search was performed to identify direct comparative studies of EBL stratified by the timing of surgery after TAE for spinal metastasis. EBL was analyzed according to the timing of surgery and other factors. Subgroup analyses were also performed. The difference in EBL was calculated as the mean difference (MD) and 95% confidence interval (CI). Results : Among seven studies, 196 and 194 patients underwent early and late surgery after TAE, respectively. The early surgery was defined as within 1-2 days after TAE, while the late surgery group received surgery later. Overall, the MD in EBL was not different according to the timing of surgery (MD, 86.3 mL; 95% CI, -95.5 to 268.1 mL; p=0.35). A subgroup analysis of the complete embolization group demonstrated that patients who underwent early surgery within 24 hours after TAE had significantly less bleeding (MD, 233.3 mL; 95% CI, 76.0 to 390.5 mL; p=0.004). In cases of partial embolization, EBL was not significantly different regardless of the time interval. Conclusion : Complete embolization followed by early spinal surgery within 24 hours may reduce intraoperative bleeding for the patients with hypervascular spinal metastasis.

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참고문헌

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