Dual-lumen balloon catheters may improve liquid embolization of vascular malformations: an experimental study in swine

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dc.contributor.authorGentric, Jean-Christophe
dc.contributor.authorRaymond, Jean
dc.contributor.authorBatista, André Lima
dc.contributor.authorSalazkin, I
dc.contributor.authorGevry, G.
dc.contributor.authorDarsaut, Tim E.
dc.date.accessioned2023-05-17T19:12:04Z
dc.date.available2023-05-17T19:12:04Z
dc.date.issued2015-05
dc.description.resumoBackground and purpose: Liquid embolic agents are increasingly used to treat vascular malformations. We sought to assess embolization with these agents by using a dual-lumen balloon catheter in an experimental setting. Materials and methods: Eighteen injections of liquid embolic agents were performed in the rete mirabile of swine. We used 3 methods to control liquid embolic agent reflux: 1) dual-lumen balloon-catheter (group A, n = 8); 2) injection of liquid embolic agent after proximal n-BCA plug formation through a second microcatheter (group B, n = 4); and 3) standard liquid embolic agent injection (group C, controls, n = 6). The following outcomes were graded by using ordinal scales by angiography, macrophotography, and radiography of retia after euthanasia: 1) angiographic and pathologic extent of liquid embolic agent embolization of the rete, 2) reflux of liquid embolic agents in the parent artery, and 3) density of liquid embolic agents in the proximal rete. Technical complications were also recorded. A successful injection was defined as an embolization that reached the contralateral rete without reflux into proximal external branches. Exact logistic regression analyses were performed to compare groups. Results: There were significant differences among groups for reflux (P = .029) and liquid embolic agent density in the proximal rete (P = .014), while extension to the contralateral rete did not reach statistical significance (P = .07). Injections differed among groups (P = .004), with dual-lumen balloon-catheter injections more frequently successful compared with control injections (P = .019). Conclusions: Dual-lumen balloon catheters allowed better liquid embolic agent injections than standard injections.pt_BR
dc.identifier.citationBATISTA, André Lima, et al. Dual-Lumen Balloon Catheters May Improve Liquid Embolization of Vascular Malformations: an experimental study in swine. American Journal Of Neuroradiology, [S.L.], v. 36, n. 5, p. 977-981, 15 jan. 2015. American Society of Neuroradiology (ASNR). http://dx.doi.org/10.3174/ajnr.a4211pt_BR
dc.identifier.doi10.3174/ajnr.A4211
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/52464
dc.languagept_BRpt_BR
dc.publisherAmerican Society of Neuroradiologypt_BR
dc.subjectLEA = liquid embolic agentpt_BR
dc.subjectPHIL = Precipitating Hydrophobic Injectable Liquidpt_BR
dc.titleDual-lumen balloon catheters may improve liquid embolization of vascular malformations: an experimental study in swinept_BR
dc.typearticlept_BR

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