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01-04-2020 | Aneurysm | Original Article - Vascular Neurosurgery - Arteriovenous malformation

Arteriovenous malformations of the posterior fossa: a systematic review

Authors: Elsa Magro, Tim E. Darsaut, Elyse Denise Okome Mezui, Michel W. Bojanowski, Daniela Ziegler, Jean-Christophe Gentric, Daniel Roy, Jean Raymond

Published in: Acta Neurochirurgica | Issue 4/2020

Abstract

Background

Posterior fossa arteriovenous malformations (pfAVMs) can be challenging lesions to manage. AVMs in this location may have distinct features compared with supratentorial AVMs. Our aim was to systematically review the literature on the presenting characteristics of pfAVMs and compare clinical and angiographic outcomes after the various types of treatment employed.

Methods

The review was conducted according to the Cochrane Collaboration guidelines. Electronic databases from 1900 to March 2018 were searched and complemented by hand-searching and cross-referencing. Articles were categorized into (i) AVM studies that included those in the posterior fossa, (ii) those that focused exclusively on pfAVM, and (iii) those that further specified a cerebellar or brainstem location of the AVM.

Results

Seventy-seven articles with 4512 pfAVM patients were retained for analyses. Compared with historical supratentorial controls, pfAVMs were reported to more frequently present with rupture, to more commonly have associated arterial aneurysms, and to more frequently lead to poor clinical and angiographic outcomes. The quality of the literature and lack of standardization of outcome reporting precluded performing a meta-analysis on the results of the various different treatment modalities.

Conclusions

Posterior fossa AVMs may have some distinct features compared with supratentorial AVMs. The available reports on pfAVMs are not sufficiently standardized to provide reliable guidance for patient management decisions. This goal will require future studies to be multicentric and to focus on standardized, repeatable clinical and angiographic outcomes.

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Title: Arteriovenous malformations of the posterior fossa: a systematic review
Authors: Elsa Magro
Tim E. Darsaut
Elyse Denise Okome Mezui
Michel W. Bojanowski
Daniela Ziegler
Jean-Christophe Gentric
Daniel Roy
Jean Raymond
Publication date: 01-04-2020
Publisher: Springer Vienna
Keywords: Aneurysm
Aneurysm
Brain Arteriovenous Malformation
Arteriovenous Malformation
Published in: Acta Neurochirurgica / Issue 4/2020
Print ISSN: 0001-6268
Electronic ISSN: 0942-0940
DOI: https://doi.org/10.1007/s00701-020-04260-6

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Arteriovenous malformations of the posterior fossa: a systematic review

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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