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.
1 Gastroparesis is a disease of the muscles of the stomach or the nerves controlling the muscles that causes the muscles to stop working. 2  Gastroparesis results in inadequate grinding of food by the stomach, and poor emptying of food from the stomach into the intestine.astroparesis results in poor grinding of food in the stomach into small particles and slow emptying of food from the stomach into the small intestine.