[
Abstract]
[
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J.Jpn. Surg. Soc.. 82(9): 1047-1050, 1981
Report on the annual meeting
SIGNIFICANCE OF EVALUATION OF LOCAL HYPERHEMODYNAMIC STATE IN OPERATIVE INDICATION FOR PORTAL HYPERTENSION
In the lesser splanchnic area of portal hypertensive patients, hyperhemodynamic state and consequently functional disconnection of this area from the portal venous system occur, which may lead to success in selective shunt procedures.
We have now evaluated 1) simultaneous pressure recording profile of the portal and left gastric vein intraoperatively and 2) angiographic profile of the left gastric vein in celiac arteriography in order to clarify hyperhemodynamic state in the left gastric venous system and to determine whether the left gastric vena caval shunt is indicated in a particular patient.
It has been found that left gastric vena caval shunt appears to be well indicated as follows;
1) Occluded left gastric venous pressure does not rise despite elevated portal pressure in simultaneous pressure mesurement (qualitative evaluation), and the ratio R
2,3/R
1,2 is at least more than 0.1 (quantitative evaluation), where R
1,2 is the inflow resistance of left gastric artery to left gastric vein and R
2,3 is the outflow resistance of left gastric vein to portal vein.
2) Contrast medium appears in the left gastric vein earlier than or at least at the same time as in the portal vein in celliac arteriography.
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