Effect of partial devascularization on the blood flow distribution in the cat stomach

Partial devascularization of the stomach was performed in cats anesthetized with pentobarbital. Gastric blood flow distribution and cardiac output were determined by means of the microsphere distribution technique. Blood flow was determined before and 30 min after the partial devascularization. Devascularization of the lesser curvature caused a significant decrease in the mucosal and muscularis blood flow at the lesser curvature. After devascularization of the greater curvature, localized reduction in mucosal and muscularis blood flow occurred at the greater curvature. In the sham-operated animals the muscularis blood flow was significantly higher than in the nonoperated animals.