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A Journal on Neurosurgery

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Journal of Neurosurgical Sciences 2018 Feb 13

DOI: 10.23736/S0390-5616.18.04342-4


language: English

Transvenous embolization of brain arteriovenous malformations: a systematic review and meta-analysis

Yi-Bin FANG 1, 2 , Jun-Soo BYUN 2, 3, Jian-Min LIU 1, Timo KRINGS 2, Vitor M. PEREIRA 2, Waleed BRINJIKJI 2, 4, 5

1 Department of Neurosurgery, Changhai Hospital, Second Military Medical University, Shanghai, China; 2 Division of Neuroradiology and Neurosurgery, University of Toronto, Toronto Western Hospital and University Health Network, Toronto, Canada; 3 Department of Radiology, Chung-Ang University Hospital, Seoul, Korea; 4 Department of Radiology, Mayo Clinic, Rochester, MN, USA; 5 Department of Neurosurgery, Mayo Clinic, Rochester, MN, USA


INTRODUCTION: The safety and efficacy of transvenous embolization of brain arteriovenous malformations (AVM) remains relatively poorly understood. We performed a systematic review of the literature to determine outcomes of transvenous embolization of brain AVMs.
EVIDENCE ACQUISITION: Data Sources include Ovid MEDLINE, Ovid EMBASE and the Web of Science. All case series with ≥4 patients receiving transvenous embolization of brain AVMs published through September 2017 were included.
EVIDENCE SYNTHESIS: A total of 8 series with 66 patients were included. All-cause mortality rate was 6.0% (95%CI=0.0%-11.0%). There were no cases of treatment related mortality. Overall good functional outcome rates were 89.0% (95%CI=82.0%-96.0%). Complete occlusion rates were 96.0% (95%CI=91.0%-100.0%). Technical complications rates were 8.0% (95%CI=2.0%-14.0%). Additional treatment rates were 6.0% (95%CI=0.0%-11.0%).
CONCLUSIONS: Patients receiving transvenous embolization of AVMs experience good long- term clinical outcomes in nearly 90% of highly selected cases. Further large case series are needed to confirm the result.

KEY WORDS: Arteriovenous malformation - Endovascular embolization - Transvenous approach

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Publication History

Article first published online: February 13, 2018
Manuscript accepted: January 29, 2018
Manuscript received: January 13, 2018

Cite this article as

Fang YB, Byun JS, Liu JM, Krings T, Pereira VM, Brinjikji W. Transvenous embolization of brain arteriovenous malformations: A Systematic Review and Meta-Analysis. J Neurosurg Sci 2018 Feb 13. DOI: 10.23736/S0390-5616.18.04342-4

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