I-Nien Lai

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BACKGROUND/AIMS Nitric oxide (NO), a potent vasodilator, plays a significant role in the vascular hyposensitivity to vasoconstrictors related to portal hypertension. Chronic NO inhibition ameliorates portal-systemic collaterals in portal hypertensive rats. This study investigated whether chronic NO inhibition by NG-nitro-L-arginine methyl ester (L-NAME)(More)
BACKGROUND/AIMS Somatostatin and its long-acting analogue, octreotide, have been used to cease variceal bleeding with uncertain mechanisms. This study investigated whether somatostatin and octreotide have a direct vasoconstrictive effect on the portal-systemic collaterals of portal-hypertensive rats and potentiate the vasoconstriction induced by(More)
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