2006
DOI: 10.1590/s0004-28032006000300005
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Correlação das características do ecodoppler do sistema porta com presença de alterações endoscópicas secundárias à hipertensão porta em pacientes com cirrose hepática

Abstract: 4RESUMO -Racional -A hipertensão portal é a causa principal das complicações da cirrose hepática, traduzidas clinicamente por circulação colateral visível na parede abdominal, ascite e varizes esofágicas. Objetivo -Avaliar a capacidade do ecodoppler do sistema porta no diagnóstico de alterações esôfago-gástricas endoscópicas secundárias à hipertensão porta em pacientes com cirrose hepática. Pacientes e métodos -Cento e oitenta e seis pacientes dos ambulatórios de gastroenterologia e hepatologia do Hospital de … Show more

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Cited by 6 publications
(3 citation statements)
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“…In healthy patients, portal hepatic circulation can accommodate great variations in blood flow with small changes in portal pressure (1) . The main hemodynamic alterations of this system are a chronic increase Mailing Address: Dr. Alberto Ribeiro de Souza Leão.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…In healthy patients, portal hepatic circulation can accommodate great variations in blood flow with small changes in portal pressure (1) . The main hemodynamic alterations of this system are a chronic increase Mailing Address: Dr. Alberto Ribeiro de Souza Leão.…”
Section: Introductionmentioning
confidence: 99%
“…E-mail: ar.leao@uol.com.br in venous pressure in the portal territory, defined as portal hypertension. This is usually secondary to splenic venous blood flow interference, and clinically translates into collateral circulation, visible as abdominal wall collaterals, ascites, and esophagogastric alterations, specifically esophageal varices, gastric varices, and congestive gastropathy (1,2) . The gradient of portal pressure is the difference between the pressure in the inferior vena cava and the portal vein, and has a normal value of < 6 mmHg.…”
Section: Introductionmentioning
confidence: 99%
“…In healthy patients, the porto-hepatic circulation compensates great variations in the blood flow with small variations in the portal pressure (1) . Pathological alterations in the hemodynamics of this system are characterized by a chronic increase in the portal venous pressure defined as portal hypertension secondary to an interference with the splanchnic venous blood flow and clinically translated into collateral circulation visible on the abdominal wall, ascites and esophagogastric alterations, i.e., esoph-gical measurement of the portal venous pressure or by indirect approach with the measurement of the occluded and free hepatic venous pressure aiming at obtaining the hepatic venous pressure gradient (3) corresponding to the difference between both pressures, that in healthy individuals should be < 5 mmHg (4) .…”
Section: Introductionmentioning
confidence: 99%