Outcome and complications of endovascular embolization for vein of Galen malformations: a systematic review and meta-analysis

Journal of Neurosurgery
Jun YanShao-Wen Xiao

Abstract

OBJECT There have been many multidisciplinary approaches to the treatment of vein of Galen malformations. Endovascular embolization is the first option for treatment. However, the effects of the treatment remain controversial. The aim of this study is to assess the efficacy and safety of endovascular embolization to treat patients with vein of Galen malformations. METHODS This paper includes a retrospective analysis of a sample of 667 patients who underwent endovascular embolization to treat vein of Galen malformations. The data were obtained through a literature search of PubMed databases. The authors also evaluate the efficacy and safety of the treatment. Mortality within the follow-up period is analyzed. Pooled estimates of proportions with corresponding 95% CIs were calculated using raw (i.e., untransformed) proportions (PRAW). RESULTS In the 34 studies evaluated, neonates accounted for 44% of the sample (95% CI 31%-57%; I(2) = 92.5%), infants accounted for 41% (95% CI 30%-51%; I(2) = 83.3%), and children and adults accounted for 12% (95% CI 7%-16%; I(2) = 52.9%). The meta-analysis revealed that complete occlusion was performed in 57% (95% CI 48%-65%; I(2) = 68.2%) of cases, with partial occlusion in 43% (95% CI 34%-51%; I(...Continue Reading

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Gamma Knife
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