Objective: To establish a canine model of portal hypertension with esophageal varices, and explore the effects of somatostatin and octreotide on portal pressure and vasoactive substance.

• 目的：建立门脉高压食道静脉曲张杂交犬模型，探讨生长抑素及奥曲肽对动物模型门静脉压力和血管活性物质的影响。