2020
DOI: 10.1590/1677-5449.190025
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Lesão aguda da parede arterial provocada pelo método de interrupção temporária de fluxo em diferentes vias de cirurgia aórtica: estudo morfológico e biomecânico da aorta de porcos

Abstract: Resumo Contexto O clampeamento aórtico e a oclusão da aorta com balão poderiam levar a lesões na parede aórtica. Objetivo O objetivo deste estudo foi verificar as alterações da parede aórtica relacionadas ao método de interrupção de fluxo (cample ou balão) em diferentes técnicas disponíveis para cirurgia de aorta. Métodos Os experimentos foram realizados em 40 porcos fêmeas pesando de 25-30 kg, alocados para quatro grupos: S (n = 10), nenhuma intervenção (sham); C (n = 10), laparotomia mediana transperitone… Show more

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Cited by 3 publications
(3 citation statements)
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“…An experimental study in pigs that involved both histological and biomechanical analyses showed that parietal damage and consequent reduced aortic resistance were more intense when aortic flow was interrupted using clamps than when intraluminal balloon occlusion was used. 31 The vast collateral circulation explains why the repercussions of acute arterial occlusion can be dramatically different from what is observed in humans. In humans, acute aortic occlusion, in saddle embolism, for example, can cause mortality as high as 30%, whereas in porcine models several oligosymptomatic cases of acute and prolonged occlusion have been observed.…”
Section: D) Aortic Occlusionmentioning
confidence: 99%
“…An experimental study in pigs that involved both histological and biomechanical analyses showed that parietal damage and consequent reduced aortic resistance were more intense when aortic flow was interrupted using clamps than when intraluminal balloon occlusion was used. 31 The vast collateral circulation explains why the repercussions of acute arterial occlusion can be dramatically different from what is observed in humans. In humans, acute aortic occlusion, in saddle embolism, for example, can cause mortality as high as 30%, whereas in porcine models several oligosymptomatic cases of acute and prolonged occlusion have been observed.…”
Section: D) Aortic Occlusionmentioning
confidence: 99%
“…The objective of the authors of “Acute aortic wall injury caused by aortic cross-clamping: morphological and biomechanical study of the aorta in a swine model of three aortic surgery approaches” 1 was to assess changes to the aorta wall related to the clamping method used in different aortic surgery techniques. Their biomechanical study detected significant differences between the different surgical techniques studied.…”
mentioning
confidence: 99%
“…No artigo intitulado “Lesão aguda da parede arterial provocada pelo método de interrupção temporária de fluxo em diferentes vias de cirurgia aórtica: estudo morfológico e biomecânico da aorta de porcos” 1 , os autores objetivaram avaliar as alterações da parede aórtica relacionadas ao método de interrupção de fluxo em diferentes técnicas de cirurgia da aorta. No estudo biomecânico, houve diferenças significativas entre as distintas técnicas cirúrgicas.…”
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