anatomia do sulco da artéria vertebral vertebral artery groove anatomy

Clicks: 313
ID: 186735
2009
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Abstract
INTRODUÇÃO: Diversas técnicas cirúrgicas têm sido realizadas na região craniocervical devido a diversas patologias. Durante o acesso cirúrgico a essa região existe um risco potencial de lesão iatrogênica da artéria vertebral, relacionado ao acesso lateral amplo e à avaliação inadequada da anatomia local. Variações no trajeto da artéria vertebral ocasionam maior risco de lesão vascular. O estudo pré-operatório por imagem da anatomia da artéria vertebral e do seu sulco tem sido realizado para aumentar a segurança cirúrgica. OBJETIVO: Estudar a morfometria da artéria vertebral no atlas através da tomografia computadorizada do sulco da artéria vertebral (SAV) em 30 atlas isolados de cadáveres. MATERIAIS E MÉTODOS: O SAV e suas relações com a linha média foram avaliados através de oito medidas lineares e duas angulares, bilateralmente. A média, valor máximo e mínimo, e desvio padrão foram calculados para cada parâmetro. RESULTADOS: O SAV apresentou uma maior largura e maior espessura do lado esquerdo (p<0,05) CONCLUSÃO: os nossos dados sugerem que a dissecção posterior e superior do arco posterior devem permanecer a uma distância lateral de 11,2mm e 7,4mm da linha média para que haja segurança no procedimento.
INTRODUCTION: Several surgical techniques have been carried through in the skull-cervical region due to various pathologies. During the surgical access to this region, a potential risk of iatrogenic injury of the vertebral artery exists, related to extended lateral access and the inadequate evaluation of the local anatomy. Variations in the groove of the vertebral artery lead to a greater risk of vascular injury during surgery. Preoperative image study of the vertebral artery anatomy and its groove has been realized to enhance surgical safety. OBJECTIVE: to study the morphometry of atlas vertebral artery on computed tomography scan images of the vertebral artery groove (VAG) in 30 dry atlas. METHODS: VAG and its relationship with the midline were evaluated through eight linear and two angular measures, bilaterally. The average, maximum and minimum values, and standard deviation were calculated for each parameter. RESULTS: VAG has shown to be wider and thicker on the left side (p<0,05). CONCLUSION: our data suggest that the posterior and superior dissection of the posterior arch must be made at lateral distance of 11,2mm and 7,4mm to the midline in order to provide safety during the procedure.
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carvalho2009actaanatomia Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Max Franco de Carvalho;Roberta Teixeira Rocha;João Tiago Silva Monteiro;Carlos Umberto Pereira;Helton Luiz Aparecido Defino
Journal current opinion in food science
Year 2009
DOI
10.1590/S1413-78522009000100010
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522009000100010
Keywords
Atlas spine

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