2006
DOI: 10.1590/s1677-54492006000200014
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Diagnóstico etiológico da trombose venosa profunda de repetição dos membros inferiores

Abstract: Artigo submetido em 05.03.06, aceito em 13.06.06.As provas de coagulação, exames laboratoriais rotineiros e radiografia de tórax eram normais.Os exames laboratoriais para avaliação de trombofilia (proteína C e S, fator V de Leiden, anticardiolipina e fator lúpico) eram normais.A paciente foi submetida, então, a uma tomografia computadorizada de abdômen e, posteriormente, a uma venografia de cava inferior.A tomografia computadorizada de abdômen (Figura 1) não evidenciou nenhuma massa abdominal ou lesões orgânic… Show more

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Cited by 2 publications
(4 citation statements)
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“…4,12 Agenesis is described in less than 1% of the population; a rare occurrence that is caused by abnormal embryonic development. 7,13 The majority of cases of partial absence of the IVC affect its supra-hepatic portion (90%) and there are associations with congenital heart disease in 0.6% to 2% of cases or with other cardiac anomalies in 0.3% to 0.5%. 14 Agenesis of the infrarenal segment of the IVC is extremely rare, considering that only 6% of these anomalies involve the renal or infrarenal segments.…”
Section: Discussionmentioning
confidence: 99%
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“…4,12 Agenesis is described in less than 1% of the population; a rare occurrence that is caused by abnormal embryonic development. 7,13 The majority of cases of partial absence of the IVC affect its supra-hepatic portion (90%) and there are associations with congenital heart disease in 0.6% to 2% of cases or with other cardiac anomalies in 0.3% to 0.5%. 14 Agenesis of the infrarenal segment of the IVC is extremely rare, considering that only 6% of these anomalies involve the renal or infrarenal segments.…”
Section: Discussionmentioning
confidence: 99%
“…13 It has been suggested that agenesis of the IVC should be considered in young patients with proximal DVT that is idiopathic, bilateral, and recurrent, in the absence of predisposing risk factors such as thrombophilia and especially in patients under the age of 30. [1][2][3]7,8,10,11,13,15,16 Known risk factors for DVT also have an influence, acting in synergy if combined with IVC agenesis. These include genetic factors that lead to hypercoagulability, such as deficiencies of proteins C and S and antithrombin; factor V Leiden, high concentrations of factor VIII and hyperhomocysteinemia, in addition to acquired risk factors such as traumas, surgery, immobilization, and pregnancy.…”
Section: Discussionmentioning
confidence: 99%
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“…Tais comunicações regridem durante o processo evolutivo, originando a VCI 3,4 . Quando há anormalidades nesse desenvolvimento, podem surgir anomalias de VCI tais como agenesia parcial ou total desse vaso [3][4][5] . Como mecanismo compensatório, o sistema ázigos tende a sofrer dilatação.…”
Section: Discussionunclassified