Vasopressin has three main effects: 1  Increasing the water permeability of distal convoluted tubule and collecting duct cells in the kidney, thus allowing water reabsorption and excretion of more concentrated urine, i.e., antidiuresis.
Some of the complications of gastroparesis include: 1  Food that stays in the stomach too long can ferment, which can lead to the growth of bacteria.  Food in the stomach can harden into a solid collection, called a bezoar. Bezoars can cause obstructions in the stomach that keep food from passing into the small intestine.
Gastroparesis is a disorder in which the stomach cannot contract and empty its contents into the intestines in the absence of any intestinal blockage.astroparesis is a complication of diabetes. It happens when the nerves that regulate how the gut moves food forward in the digestive process are damaged from being exposed to high blood sugar for many years. Consequently, the stomach does not empty out the way it normally would.