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1.
Neuroradiology ; 66(1): 129-133, 2024 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-37993730

RESUMEN

PURPOSE: Treatment of brain arteriovenous malformation (bAVM) includes microsurgical excision, stereotactic radiosurgery, endovascular embolization, or combination. With bAVM embolization, complete angiographic obliteration ranges from 12.5 to 51%, and higher total occlusion rate is seen in SM grades I to III, ranging from 96 to 100%. METHODS: In this paper, we illustrate the use of 3D rotational angiography and dynamic (live) 3D roadmap functions in endovascular treatment of bAVM. A single dynamic 3D roadmap or two dynamic 3D roadmaps obtained help tremendously in navigation of microcatheters and wires along the parent artery and bAVM feeders. RESULTS: This method eliminates the need for repeated 2D angiograms and roadmaps for new working projections every time the C-arm position is changed for cannulation of different feeders, thereby reducing radiation dose. No instances of misalignment error, vascular perforation, or thromboembolic phenomena were observed in the 21 embolization cases performed within the previous 2 years while utilizing this feature. CONCLUSION: The dynamic 3D roadmap is an extremely useful tool for multiple-feeder cannulation, by reducing the use of multiple 2D angiograms, providing intraprocedural live and adjustable 3D roadmap for better mental orientation to angioarchitecture of the bAVM, which further aids in the overall complete angiographic obliteration rate of bAVM in a single session especially in multiplug embolization technique.


Asunto(s)
Embolización Terapéutica , Malformaciones Arteriovenosas Intracraneales , Radiocirugia , Humanos , Malformaciones Arteriovenosas Intracraneales/diagnóstico por imagen , Malformaciones Arteriovenosas Intracraneales/terapia , Encéfalo , Embolización Terapéutica/métodos , Angiografía Cerebral/métodos , Cateterismo , Resultado del Tratamiento , Estudios Retrospectivos
2.
Pediatr Infect Dis J ; 40(6): e240-e242, 2021 06 01.
Artículo en Inglés | MEDLINE | ID: mdl-33742613

RESUMEN

Novel coronavirus disease 2019 is a viral infectious disease which commonly involve the lungs with primarily radiologic manifestations of atypical or organizing pneumonia. It can cause multisystemic involvement including central nervous system symptoms. One of these neurologic manifestations is posterior reversible encephalopathy syndrome (PRES). It is suggested that the increased levels of cytokines and inflammatory mediators in the course of the disease are responsible for cerebrovascular endothelial dysfunction and disruption of the blood-brain barrier. To the best of our knowledge, no pediatric PRES has been reported related to coronavirus disease 2019. Here, we present a pediatric PRES case associated with severe acute respiratory syndrome coronavirus 2 infection.


Asunto(s)
COVID-19/complicaciones , Síndrome de Leucoencefalopatía Posterior/diagnóstico por imagen , Síndrome de Leucoencefalopatía Posterior/virología , Barrera Hematoencefálica , COVID-19/diagnóstico por imagen , COVID-19/inmunología , COVID-19/virología , Niño , Citocinas/inmunología , Hospitalización , Humanos , Pulmón/diagnóstico por imagen , Masculino , Síndrome de Leucoencefalopatía Posterior/inmunología , SARS-CoV-2/aislamiento & purificación
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