Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery · 2013
Angiografic and pressoric changes determined by splenectomy with left gastric vein ligature in mansoni schistosomiasis.
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Pereira Fernanda Maria Fernández, Evangelista-Neto João, Brito Norma, Amaral Fernando, da Fonseca-Neto Olival Cirilo Lucena, Lacerda Cláudio Moura
Аннотация
BACKGROUND: In hepatosplenic schistosomiasis occurs diffuse hepatic fibrosis associated with venous congestion of the portal system resulting in hepatosplenomegaly. It can produce digestive hemorrhage caused by rupture of esophageal and stomach varices or peptic gastroduodenal mucosal lesions.
AIM: To study the effects of splenectomy and ligature of the left gastric vein on portohepatic hemodynamics.
METHOD: Twenty-three patients with hepatosplenic schistosomiasis mansoni were studied before and about two weeks after operation through angiographic diameter of the common and proper hepatic artery, splenic artery, superior mesenteric artery, portal vein, superior mesenteric vein and left gastric vein. The pressures of the inferior vena cava and central venous pressure, free hepatic vein, the hepatic sinusoidal and occluded vein were measured.
RESULTS: The splenectomy and ligature of the left gastric vein determined low morbidity and null mortality. It determined significant addition to the following variables: diameters of the common and proper hepatic artery; diameter of the superior mesenteric vein. It determined non significant increase on the following measurements: right atrial pressure and diameter of the superior mesenteric artery. It determined non significant decrease to the following variables: inferior vena cava pressure; free hepatic vein pressure; occluded hepatic vein pressure; sinusoidal pressure, diameter of the portal vein.
CONCLUSION: Splenectomy and ligature of the left gastric vein do not determine portal hemodynamic changes capable of breaking the functional hemodinamic balance that characterizes the hepatosplenic mansoni schistosomiasis.
AIM: To study the effects of splenectomy and ligature of the left gastric vein on portohepatic hemodynamics.
METHOD: Twenty-three patients with hepatosplenic schistosomiasis mansoni were studied before and about two weeks after operation through angiographic diameter of the common and proper hepatic artery, splenic artery, superior mesenteric artery, portal vein, superior mesenteric vein and left gastric vein. The pressures of the inferior vena cava and central venous pressure, free hepatic vein, the hepatic sinusoidal and occluded vein were measured.
RESULTS: The splenectomy and ligature of the left gastric vein determined low morbidity and null mortality. It determined significant addition to the following variables: diameters of the common and proper hepatic artery; diameter of the superior mesenteric vein. It determined non significant increase on the following measurements: right atrial pressure and diameter of the superior mesenteric artery. It determined non significant decrease to the following variables: inferior vena cava pressure; free hepatic vein pressure; occluded hepatic vein pressure; sinusoidal pressure, diameter of the portal vein.
CONCLUSION: Splenectomy and ligature of the left gastric vein do not determine portal hemodynamic changes capable of breaking the functional hemodinamic balance that characterizes the hepatosplenic mansoni schistosomiasis.