Download PDF. 1 / 3 Pages. Previous article. Go back to website. Next article. HARRIS D., Paul BRINCK M., Patricio. Un análisis retrospectivo de cavernomatosis de la vena porta en Chile: II. Hemorragia, tratamiento y pronóstico. Rev. chil. HARRIS D., Paul BRINCK M., Patricio. Un análisis retrospectivo de cavernomatosis de la vena porta en Chile.: I. Perfil clínico y de laboratorio. Rev. chil. pediatr.

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Thus, PVT seems more frequent than expected: National Center for Biotechnology InformationU. Moreover, MRI-true fast imaging with steady state precession true FISPmight overcome the difficulty of contrast injection in cases of poor venous access and the degradation of the images by respiratory motion[ 86 ]. Valla DC, Condat B. Value of CT and sonography in the cavernomz management of acute splenoportal and superior mesenteric venous thrombosis.

The ubiquitous and long-term use of anticoagulants in cirrhotic patients with PVT should not be considered correct practice, until their safety and efficacy has been completely tested[ 62 ]. Factor V Leiden mutation, prothrombin gene mutation, and deficiencies in coagulation inhibitors associated with Budd-Chiari syndrome and portal vein thrombosis: The clinical suspicion is often based on the incidental finding of hypersplenism, signs of portal hypertension or, less frequently, symptoms of portal cholangiopathy.

The incidence among cirrhotic patients is still unknown, but recent data suggest a prevalence of about 0. Eversion thromboendovenectomy in organized portal vein thrombosis during liver transplantation.

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Generally, there are no signs of other organ failures and liver function is usually preserved, probably because the increased hepatic arterial blood flow supplants portal obstruction. Transcatheter thrombolytic therapy for acute mesenteric and portal vein thrombosis.


Direct vascular invasion, compression by tumor mass, or a hypercoagulable state are the mechanisms involved in neoplastic PVT development; hormonal factors might also play a role in this process, especially in men[ 162021 ]. Other approaches, such as transjugular intrahepatic portosystemic shunt placement, should be reserved for patients developing acute PVT before or after liver transplantation, or in alternative to thrombolysis when anticoagulation fails[].

Several etiological causes, either of local or systemic origin, might be responsible for PVT development, although more than one factor is often identified.

Portal vein thrombosis: Insight into physiopathology, diagnosis, and treatment

Current state of portosystemic shunt surgery. In addition, collateral circulation develops rapidly from pre-existing veins in ven porta hepatis within 2 to 3 d after the onset of acute thrombosis, particularly in the gallbladder wall[ 619495 ].

Septic thrombophlebitis of the portal vein pylephlebitis: Kocher G, Himmelmann A. Transjugular intrahepatic portosystemic shunt for portal vein thrombosis with and without cavernous transformation. Acute PVT Intestinal congestion and ischemia are typical manifestations of acute PVT; abdominal pain or distention, diarrhea, rectal bleeding, nausea, vomiting, anorexia, fever, lactacidosis, splenomegaly and sepsis might be variably present[ 6364 ].

Portal vein thrombosis: Insight into physiopathology, diagnosis, and treatment

Eversion thrombectomy for portal vein thrombosis during liver transplantation. Consider a diagnosis of chronic PVT in any patient with newly diagnosed portal hypertension.

It appears to be more accurate than US or computed tomography CT scans in discovering portal invasion by tumors[ 7778 ]. Portal vein thrombosis PVT: CT scanning is able to demonstrate hyperattenuating material in the portal vein lumen and the absence of enhancement after contrast injection.


Portal vein thrombosis in cirrhotics: Sobhonslidsuk A, Reddy KR. Nowadays, in developed countries, PVT is usually recognized at an early stage; cavernomatous transformation or the occurrence of gastrointestinal bleeding are rare.

Surg Laparosc Endosc Percutan Tech. Perigastric and paraesophageal varices CT scan. In the presence of portal hypertension, PVT must always be investigated, especially in cirrhotic patients, even if it is considered a rare event[ 2 ].

Mesenteric venous thrombosis to Meta-analysis of the risk of venous thrombosis in individuals with antiphospholipid antibodies without underlying autoimmune disease or previous thrombosis.

A retrospective analysis of cases and associated clinical implications.

Malformación cavernomatosa de la vena porta

Moreover, advanced age, malignancy, cirrhosis, mesenteric vein thrombosis, absence of abdominal inflammation, and serum levels of aminotransferase and albumin are associated with reduced survival[ 65 ].

In addition, MR angiography has a high accuracy in the follow-up of the portal venous system before and after liver transplantation[ 82 – 85 ]. Liver transplantation in patients with portal vein thrombosis. Portal vein thrombosis; TIPS: CT is also useful for the identification of the possible cause of the thrombosis or potential complications, such as bowel ischemia and perforation[ 22 ].

Webb LJ, Sherlock S.