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Risk Factors of Brain Arteriovenous Malformation Embolization as Adjunctive Therapy: Single-Center 10-Year Experience.
Koizumi, Satoshi; Shojima, Masaaki; Shinya, Yuki; Ishikawa, Osamu; Hasegawa, Hirotaka; Miyawaki, Satoru; Nakatomi, Hirofumi; Saito, Nobuhito.
Afiliación
  • Koizumi S; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan. Electronic address: sakoizumi-tky@umin.net.
  • Shojima M; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan; Department of Neurosurgery, Teikyo University Hospital, Tokyo, Japan.
  • Shinya Y; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan.
  • Ishikawa O; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan; Department of Neurosurgery, Asama General Hospital, Nagano, Japan.
  • Hasegawa H; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan.
  • Miyawaki S; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan.
  • Nakatomi H; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan; Department of Neurosurgery, Kyorin University Hospital, Tokyo, Japan.
  • Saito N; Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, Japan.
World Neurosurg ; 167: e1448-e1454, 2022 Nov.
Article en En | MEDLINE | ID: mdl-36130658
OBJECTIVE: In the multimodality treatment of complex brain arteriovenous malformations (AVMs), the role of endovascular embolization is not fully elucidated. To assess the risk of embolization, we retrospectively evaluated the outcomes of endovascular treatment for AVM, focusing on the embolization-related complications. METHODS: The present study included patients with brain AVM who underwent embolization at our hospital between April 2011 and May 2021. Risk factors for peri- and postoperative complications were analyzed. RESULTS: During the study period, 36 AVMs were treated during 58 embolization sessions. The goal of the embolization was preoperative in 24 (67%), pre-radiosurgical in 9 (25%), and palliative in 3 (8%) cases. The overall complication rate was 43% (25 of 58) per session and 36% (13 of 36) per patient. Ischemic and hemorrhagic complications were observed in 14 (24%) and 14 (24%) cases, respectively. n-Butyl cyanoacrylate (n-BCA) embolization was detected as the significant risk for postoperative hemorrhage in the univariate (79% vs. 36%, P = 0.012; Fisher exact test) and the multivariable analysis (odds ratio 4.90, 95% confidence interval 1.08-22.2, P = 0.039). The number of embolized feeder in a single session also tended to be higher in a hemorrhagic complication group (median 3.5 vs. 2.0, P = 0.11; Mann-Whitney U-test). CONCLUSIONS: The risk of embolization in multimodality treatment for complex brain AVM was substantial. n-BCA embolization may carry a higher risk of postoperative hemorrhage. An accumulation of cases is awaited to investigate the effectiveness of minimal target embolization in the future.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Malformaciones Arteriovenosas Intracraneales / Radiocirugia / Embolización Terapéutica / Enbucrilato Tipo de estudio: Etiology_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: World Neurosurg Asunto de la revista: NEUROCIRURGIA Año: 2022 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Malformaciones Arteriovenosas Intracraneales / Radiocirugia / Embolización Terapéutica / Enbucrilato Tipo de estudio: Etiology_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: World Neurosurg Asunto de la revista: NEUROCIRURGIA Año: 2022 Tipo del documento: Article Pais de publicación: Estados Unidos