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Results of the SACI test. To assess insulin levels, blood samples were collected from the hepatic vein via the inferior vena cava 20, 40, 60, and 90 seconds after injecting calcium gluconate into the following arteries: the gastroduodenal artery (GDA), superior mesenteric artery (SMA), proximal splenic artery (PSPA), and distal splenic artery (DSPA). Marked elevations were observed in the level of immunoreactive insulin (IRI) in response to the PSPA stimulation.
