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Jornal Vascular Brasileiro

versão impressa ISSN 1677-5449

Resumo

BRANDAO, Gustavo Mucoucah Sampaio; SOBREIRA, Marcone Lima  e  ROLLO, Hamilton Almeida. Recanalization after acute deep vein thrombosis. J. vasc. bras. [online]. 2013, vol.12, n.4, pp.296-302.  Epub 21-Out-2013. ISSN 1677-5449.  http://dx.doi.org/10.1590/jvb.2013.050.

The process of recanalization of the veins of the lower limbs after an episode of acute deep venous thrombosis is part of the natural evolution of the remodeling of the venous thrombus in patients on anticoagulation with heparin and vitamin K inhibitors. This remodeling involves the complex process of adhesion of thrombus to the wall of the vein, the inflammatory response of the vessel wall leading to organization and subsequent contraction of the thrombus, neovascularization and spontaneous lysis of areas within the thrombus. The occurrence of spontaneous arterial flow in recanalized thrombosed veins has been described as secondary to neovascularization and is characterized by the development of flow patterns characteristic of arteriovenous fistulae that can be identified by color duplex scanning. In this review, we discuss some controversial aspects of the natural history of deep vein thrombosis to provide a better understanding of its course and its impact on venous disease.

Palavras-chave : venous thrombosis; ultrasonography Doppler color; review literature as topic.

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