2007
DOI: 10.1590/s1677-54492007000100006
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Válvulas da veia braquial comum: estudo anatômico

Abstract: CONTEXTO: Boa parte das insuficiências venosas é devida à incompetência de suas válvulas. Como uma das alternativas cirúrgicas, temos os enxertos venosos valvulados no segmento insuficiente. OBJETIVO: Descrever a anatomia das válvulas da veia braquial comum. MÉTODOS: Foram selecionados 30 cadáveres do sexo masculino, independentemente de raça, que tinham seus membros superiores articulados ao tronco. Os mesmos estavam formolizados e foram mantidos em conservação com solução de formol a 10%. Utilizamos como cri… Show more

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Cited by 3 publications
(2 citation statements)
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“…In humans, the anatomical and physiological notion of venous valves is vital, 3,5 primarily in cardiac and vascular procedures, given that the flow direction of veins should be carefully respected when fragments of veins are connected into the circulation. 1,4,8 The fact that the femoral veins of female Wistar rats do not contain valves could compromise many microsurgery research streams, since experimental models do not reproduce the situation found human beings: the constant presence of valves. Notwithstanding, this should not necessarily affect training in the microsurgical skills of anastomosis and interposition of vein grafts and neurotubes.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In humans, the anatomical and physiological notion of venous valves is vital, 3,5 primarily in cardiac and vascular procedures, given that the flow direction of veins should be carefully respected when fragments of veins are connected into the circulation. 1,4,8 The fact that the femoral veins of female Wistar rats do not contain valves could compromise many microsurgery research streams, since experimental models do not reproduce the situation found human beings: the constant presence of valves. Notwithstanding, this should not necessarily affect training in the microsurgical skills of anastomosis and interposition of vein grafts and neurotubes.…”
Section: Discussionmentioning
confidence: 99%
“…Hieronymous Fabricius Ab Acquapendente discovered the existence of venous valves in 1603 1,2 and since then these important structures have been studied in the context of blood circulation, in particular with relation to their role in the physiology of venous return, impeding reflux of blood, 1,3 with particular importance in the large caliber veins of the lower limbs. 1,2,4 From a histological point of view, valves are paired invaginations of the tunica intima of the veins, creating saliencies into the interior of the vessel. 5 Venous grafts are widely used in surgical practice to reestablish blood flow in many different specialties and care must taken to ensure that the graft is implanted in the correct direction, so that the venous valves do not impede blood flow.…”
Section: Introductionmentioning
confidence: 99%